Wohler IAM2-8 Users Guide

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iAM2-8

2RU Multi-Channel Audio Monitor

User Guide

Part Number 821834, Revision D

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Licensed users and authorized distributors of Wohler Technologies, Inc. products may copy this document for use with Wohler Technologies., Inc. products provided that the copyright notice above is included in all reproductions.

Customer Support

Wohler Technologies, Inc. 1280 San Luis Obispo Ave Hayward, CA, 94544 Phone: 510-870-0810 Web: www.wohler.com Sales: [email protected] Support: [email protected]

Disclaimers

Even though Wohler Technologies, Inc. has tested its equipment and software, and reviewed the documentation, Wohler Technologies, Inc. makes no warranty or representation, either express or implied, with respect to software, documentation, their quality, performance, merchantability, or fitness for a particular purpose.

In no event will Wohler Technologies, Inc. be liable for direct, indirect, special, incidental, or consequential damages resulting from any defect in the hardware, software, or its documentation, even if advised of the possibility of such damages.

Some states do not allow the exclusion or limitation for incidental or consequential damages, so the above exclusion or limitation may not apply to you.

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Other Technologies and Products

Google Chrome is a registered trademark of Alphabet Inc. Microsoft Windows and Internet Explorer are registered trademarks of Microsoft Corporation. Dante and Brooklyn are registered trademarks of Audinate Pty Ltd. Ravenna is a registered trademark of ALC NetworX GmbH. ZMAN and Aneman are registered trademarks of Merging Technologies.

All product names, logos, and brands are property of their respective owners. All company, product and service names used in this document are for identification purposes only. Use of these names, logos, and brands does not imply endorsement.

Last Update

March 6, 2023

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TABLE OF CONTENTS

Table of Contents

User Guide ........................................................................................ 1

TABLE OF CONTENTS .......................................................................... 3

Table of Contents ........................................................................................... 3

CHAPTER 1: Installation ....................................................................... 7

Introduction .................................................................................................. 7

Overview ............................................................................................ 7

Safety .......................................................................................................... 7

Instructions ......................................................................................... 7

Safety Symbols.................................................................................... 8

Mounting............................................................................................. 8

Heat Dissipation ................................................................................... 8

Sympathetic Vibration........................................................................... 9

Mechanical Bracing ............................................................................... 9

Electrical Interference ........................................................................... 9

Power ................................................................................................. 9

Compliance ................................................................................................... 9

FCC .................................................................................................... 9

ICES-003 ............................................................................................ 9

CHAPTER 2: Local Operation............................................................... 10

Operation.................................................................................................... 10

Startup....................................................................................................... 10

Front Panel.................................................................................................. 10

Rear Panel................................................................................................... 12

SFP-2022-6 / SFP-2110 Address Setup............................................................ 17

Channel Meters and Touch Operations............................................................. 18

Dolby Zoom Screen ...................................................................................... 21

Menu / Option Touchscreen ........................................................................... 22

Main Menu ........................................................................................ 23

Unit Settings ..................................................................................... 23

Speaker Options................................................................................. 24

Meter Scales...................................................................................... 25

Unit Configuration .............................................................................. 27

Phase Configuration............................................................................ 28

Analog Configuration .......................................................................... 29

Source Select .................................................................................... 30

Presets ............................................................................................. 31

Preset Favorites ................................................................................. 32

All Presets ......................................................................................... 33

Loudness Meter.................................................................................. 34

Loudness Settings .............................................................................. 36

System Options Menu ......................................................................... 37

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Network Settings................................................................................ 38

System Reboot .................................................................................. 40

System Update .................................................................................. 41

Factory Reset .................................................................................... 42

System Details................................................................................... 43

Passcode Settings .............................................................................. 44

Forgotten Passcode ............................................................................ 46

CHAPTER 3:

Technical Info ............................................................... 47

CHAPTER 4: The iAM2-8 Web GUI ....................................................... 52

Web Browser / Control Device........................................................................ 52

First Time IP Assignments ............................................................................. 52

Peer-to-Peer Connection...................................................................... 52

Network Connection............................................................................ 53

Network Setup............................................................................................. 54

Dashboard .................................................................................................. 55

Audio Meters ............................................................................................... 59

System Preferences...................................................................................... 60

System Audio Clock Reference ............................................................. 60

Loudness Configuration Tab ................................................................. 61

Phase Indicator Configuration Tab......................................................... 62

Front Panel Configuration Tab .............................................................. 63

Preset Management...................................................................................... 65

Dolby Presets .............................................................................................. 70

Output Routing ............................................................................................ 71

Destination Outputs............................................................................ 72

Source Inputs .................................................................................... 72

Output Options .................................................................................. 73

Typical Questions Regarding Output Routing .................................................... 73

What signal outputs can be controlled using the Output Routing feature? ... 73

How do the outputs behave if I do not purchase OPT-OUTPUT-ROUTING

license? ............................................................................................ 73

What is the difference between Global Output Routing and Output Routing in

Presets?............................................................................................ 74

How do I route whatever is being monitored to the XLR and AES outputs?.. 74

How do I have a downmixed pre-fade output on AES Pair-1 combined with a

post-fade output on the Analog XLRs? ................................................... 74

How do I make the XLR outputs follow the Audio Meter screen solos & mutes

while the AES Pair-1 does not? ............................................................. 75

How do I route only specific monitored channels to the Analog XLR outputs?

....................................................................................................... 76

The optional Global Output Routing feature works great. But what if we don't want to create any Presets and want to monitor audio only using Source Select? How would I configure different outputs for Source Select choices?. 76 How do I keep the internal speakers muted and have audio only on the

analog XLR outputs? ........................................................................... 76

How do I ensure that the outputs are automatically muted when the

Headphone jack is inserted?................................................................. 77

What are AoIP-Pair 9 and AoIP Pair 10? ................................................. 77

How do I ensure that my outputs are pre-faded but follow the solo-mutes on the web interface? This will allow us to monitor only the unmuted/solo Audio Meter channels on amplified stereo speakers connected to the Analog XLR’s.

....................................................................................................... 78

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Preset Replication......................................................................................... 78

Import/Export Presets................................................................................... 80

Export Configuration ........................................................................... 80

Import Configuration .......................................................................... 81

System....................................................................................................... 83

System Information............................................................................ 83

SFP Information ................................................................................. 84

Licenses............................................................................................ 85

Factory Reset .............................................................................................. 86

Reboot System ............................................................................................ 87

APPENDIX A: Software Upgrades......................................................... 88

Introduction ................................................................................................ 88

Download the Software ................................................................................. 88

Update Methods........................................................................................... 88

Local Update from the Front Panel .................................................................. 89

Updating via the Web GUI using a Flash Drive .................................................. 91

Updating an iAM2-8 Remotely ........................................................................ 93

Updating Multiple Units Remotely ................................................................... 95

APPENDIX B: Dante Network Setup ..................................................... 98

Introduction ................................................................................................ 98

What is in the iAM2-8 for Dante? .................................................................... 98

DanteTM Device Setup ..................................................................................100

Dante Clock Selection ..................................................................................101

Channel Names...........................................................................................101

AES67 .......................................................................................................102

Device Lock................................................................................................104

Dante Firmware Upgrades ............................................................................104

Additional Information .................................................................................105

DanteTM Legal Disclosures.............................................................................105

APPENDIX D: Ravenna (ZMAN) Setup .................................................106

Introduction ...............................................................................................106

What is in the iAM2-8 for Ravenna? ...............................................................106

RAVENNA-Compatible Talker/Listener...................................................106

AVB Ethernet Features .......................................................................106

Configuring the AOIP Merging Option Card......................................................107

Getting Started | General Settings .......................................................108

Getting Started | PTP .........................................................................109

Getting Started | Session Sources........................................................110

Getting Started | Session Sinks ...........................................................111

Getting Started | Session Info .............................................................112

Getting Started | Ins/Outs ..................................................................113

Getting Started | I/O Router ...............................................................113

Operation: .................................................................................................114

Connecting Remote Source to Local Sink ..............................................114

ZMAN Session Sinks ..........................................................................114

ZMAN Session Sources .......................................................................116

ZMAN Updating .................................................................................116

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APPENDIX E: API Documentation .......................................................117

Introduction ...............................................................................................117

API: Presets ...............................................................................................117

APPENDIX F: Out of Band Control.......................................................130

Introduction ...............................................................................................130

SFP IP Address Configuration ........................................................................130

SFP System Configuration ............................................................................131

SFP 2110 Configuration................................................................................132

SFP 2110 Preset Config ................................................................................135

Diagnostic Information.................................................................................136

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Important:

CHAPTER 1: Installation

Introduction

Overview

The iAM2-8 is a 2RU multi-channel multi-source audio monitor with basic 3G-SDI and analog inputs. It may also be purchased with a large variety of other inputs or these may be added later at the need arises. Refer to the Specifications section of this manual or contact Wohler Sales for more information.

The iAM2-8 is compact and simple to operate, with straightforward controls. It has two touch screen LCD displays providing up to 8 high resolution level meters and Loudness meters. Any channels (or channel pairs) from any audio/video source stream may be monitored.

The iAM2-8 includes two 3G SDI inputs and it can monitor audio from them. Optional modules will allow decoding of an additional SDI input, Dolby, MADI, AES3, Dolby D, DD+, E, SMPTE 2110, SMPTE 2022-6, and AES streams. It contains APIs for remote management.

Setups are created and configured using local menus and a web browser over a network connection to the integral web server of the iAM2-8. The web server will also allow you to view the audio meters remotely.

Safety

Instructions

1. Read, keep, and follow all of these instructions; heed all warnings.

2. Do not use this equipment near water.

3. Use only a dry cloth to clean the equipment.

4. Do not block any ventilation openings.

5. Do not install near any heat source such as a radiator, heat register, amplifier, or stove.

6. Do not attempt to plug the unit into a two-blade outlet (with only two prongs of equal width).

By design, the supplied AC mains power cord will only plug into a three-prong grounded outlet for your safety. If the plug does not fit into the outlet, contact an electrician to replace the obsolete outlet.

7. Protect the power cord from being walked on or pinched, particularly at plug connection on the equipment and at the socket.

8. Use only the attachments/accessories specified by the manufacturer.

9. Unplug the equipment during lightning storms or when unused for long periods

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WARNING:

avoid personal injury.

of time.

10. Refer all servicing to qualified service personnel. Servicing will be required under all of the following conditions:

a. The equipment has been damaged in any way, such as when the power-

supply cord or plug is damaged.

b. Liquid had been spilled or objects have fallen onto the equipment.

c. The equipment has been exposed to rain or moisture.

d. The equipment does not operate normally.

e. The equipment has been dropped.

Safety Symbols

The symbol to the left warns of electric shock hazard inside the unit. Disconnect the power cord before removing access panels when installing upgrades. Only qualified service personnel are to operate the equipment with covers removed, and are to exercise caution to

Mounting

The unit is designed for a standard 19" rack. Install it at ear/eye level for best high frequency response and visual observation of the display screens. Please adhere to the following clearances:

Table 1-1: Clearance Recommendations

Clearance

Heat Dissipation

The ambient temperature inside the mounting enclosure should not exceed 40° Celsius (104° Fahrenheit). Adjacent devices can be rack mounted (or stacked) in proximity to the unit if this temperature is not exceeded. Otherwise, allow a 1RU (1.75”/44.45mm) space above and below the unit for air circulation.

Surface

24” Front

3” Rear 2” Sides

1.75” Top and Bottom (if either radiates heat) 0” Top and Bottom (if no heat)

Important

iAM2-8

Heat generated by the class D power amplifiers, power supplies, and other components is vented by slots in the sides and back of the unit. Therefore, as a safety precaution, you must allow proper ventilation on these surfaces.

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Sympathetic Vibration

Sympathetic vibration from other equipment (cables, etc.) in the rack may be serious enough to interfere with the unit’s sound quality. If you experience sympathetic vibrations, use thin card stock, felt, foam, or weather-stripping between the vibrating surfaces. Tie loose cables securely with cable ties.

Mechanical Bracing

The 2RU chassis is securely attached to the front panel. In addition, the chassis has mounting tabs through which you attach it to the rack rail. This feature will reduce or eliminate rear bracing requirements in many mobile/portable applications. The weight of internal components is distributed fairly evenly around the unit.

Electrical Interference

Be careful to avoid mismatched cable types and other similar causes of undesired reflections in digital signal systems. If severe enough, such reflections can result in corruption of the digital data stream. As with any audio equipment, maximum immunity from electrical interference requires the use of shielded cable; however, satisfactory results can sometimes be obtained without it. The internal circuitry ground is connected to the chassis.

Power

The unit connects to an AC mains power source (100 to 240 VAC, 65W, 50/60Hz) using an IEC power cord.

When the mains plug or appliance coupler is used as the disconnect device, the disconnect device should remain operable.

Compliance

FCC

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.

ICES-003

This Class A digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.

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CHAPTER 2: Local Operation

Operation

The iAM2-8 can be operated easily and simply from controls on its front panel, as described in this chapter. It may be accessed remotely in two ways, via the Wohler Web GUI for administrative purposes or by third party equipment via Application Programming Interface (API) commands. The Wohler Web GUI is described in Chapter 4 of this manual. The API commands are described in Appendix E of this manual.

Startup

The iAM2-8 will begin its startup process when it is connected to power. There is no power switch. It is normal for the product to require about 45 seconds to start up and be ready to use.

When the iAM2-8 completes its startup, the Status indicator will turn green. Depending upon optional settings, all channel pairs will either be in the muted condition or set in a predetermined way. You may then use the Source and

Channel controls to enable only the program channels you want to hear.

Front Panel

The front panel is shown in Figure 2-1.

Volume

Source

Headphone

Jack

Figure 2–1: iAM2-8 Front Panel

Loudness

-22.5

LKFS

LRA 0.1

PROG -21.5

MAX -20.1

TP -20.0

HD/720p/50HzSDI-1

+6 +3

-24

Ref

-3

-6

-9

-12

-15

-18

-21

LU-M

Audio Meters

1: Stereo 2.0 #1

USB Status

Speakers

Audio Meter Screen

LKFS-M : -24.6

-00

-20

-30

-40

-60

SDI-1

587

Balance

-00

-20

-30

-40

-60

Channel

iAM-AUDIO

8 CHANNEL

1. Loudness Screen: A 4.3” LCD touch screen allows monitoring of Loudness simultaneously with the audio meters.

2. Audio Meter Screen: A 4.3” LCD touch screen allows monitoring high resolution bar graph meters of up to 8 channels.

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3. Speakers: Local near field audio monitoring is achieved through the use of class D amplifiers. There are two (left/right) speakers. The speaker response may be adjusted with tone controls in the Speaker Options menu. Refer to the Menu / Option Touchscreen section of Chapter 2.

4. Headphone Jack: A 1/4" jack for an optional headphone is provided on the front panel. Speaker audio can be optioned to either mute or not mute when headphones are plugged in. This is set in the Speaker Options menu. If the speaker audio is set to mute with headphone insertion, and a headphone is plugged into the Headphone Jack, the following icon will appear near the center top of the

Meter Screen:

5. Volume: This controls the speakers, the headphone, and the analog outputs. As the Volume control is turned, a graphic appears at the center top of the Meter

Screen, as follows:

Pressing the Volume control mutes the audio and a speaker muted icon appears

near the center top the Meter Screen: This icon also displays whenever the Volume control is turned all the way counterclockwise.

6. Balance: This controls the relative left/right levels for the monitored stereo mix. Pressing the knob will bring the balance back to center. It controls the speakers, the headphone, and the analog outputs. As the Balance control is turned, a

graphic appears at the center top of the Meter Screen as follows:

7. Source: Turning this control right or left selects between the available licensed input sources. The selected Source input is displayed in the center of the Audio

Meters Screen as follows:

SDI-1

Alternatively, the Source control can be used to select from any Preset, or from any Favorite Preset. Refer to the Source Knob Select setting in the Unit Config menu. Regardless of this menu setting, when the Loudness Meter Screen is displayed, the Source knob selects which Loudness Cluster is to be measured and monitored.

To use the Source/Preset control to change the Channel Gain and Speaker Assignment of a particular channel, refer to the Channel Gain and Speaker Assignment paragraph of the Channel Meters and Touch Operations section of this chapter.

8. Channel: Turning this control moves a white selection box from channel to channel on the metering screen. Press the control to solo the highlighted channel. The box will turn blue and any other boxes will disappear. To remove the solo and return to the previous monitoring configuration, press the Channel control once again.

9. USB: This USB 2.0 Type A connector allows you to use a flash drive (not supplied) to perform software updates and copy system configurations to another

iAM2-8

or to a PC. Refer to Appendix A of this manual to learn about performing a software update.

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Important:

10. Status: This indicator lights green when the system is powered and ready for use. A solid or blinking yellow color indicates that the product is starting up. A red color indicates that a system update is taking place. Refer to Appendix A for procedures to update software.

Rear Panel

The rear panel is shown in Figure 2-2.

Figure 2-2: iAM2-8 Rear Panel & Option Cards

Power

Connection

Balanced

Analog Inputs

Balanced DB-25

Analog Inputs

SFP Module

Cage

Balanced

Analog Outputs

Balanced DB-

25 Analog

Outputs

SFP Module

Cage

Network

Port

TOSLINK

Optical

Input

Option

Card Slot

SDI

Inputs

SDI

Output

Combo

Port

SFP Module

Cage

MADI

Fiber SFP

AoIP SFP

Module Cage

MADI

AES Inputs

BNC

AES Outputs

Primary /

Secondary

1GB Ethernet

Ports

TOSLINK

Optical

Input

Power Connection: The iAM2-8 receives power from an AC inlet, which is a standard IEC receptacle for 100 to 240 VAC ±10%, 50/60 Hz power connection. Four regional AC power cords, supplied according to shipping region, are available.

iAM2-8

1. SDI Inputs: These two BNC connectors accept the two 3G/HD/SD-SDI input signals containing the audio to be monitored. This is a standard feature.

2. SDI Output: This BNC connector outputs the selected 3G/HD/SD-SDI or SFP module input signal.

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3. Network Port: This Ethernet port can connect to either a LAN or to a PC to let you perform administrative tasks remotely. The Wohler Web GUI is described in Chapter 4 of this manual. Third party equipment, connecting to the iAM2-8 via a LAN plugged into this port and using an API commands, can view and change product options, as well. This API is described in Appendix E of this manual.

4. MADI BNC: (optional) The COAX input accepts an AES10 64-channel signal at 48 kHz sample rate. An optional license key must be purchased to enable this function. The COAX output is reclocked from the MADI source. When power to the iAM2-8 is not present, the COAX input and output are automatically connected together to allow the MADI signal to pass through. A software license must be installed for this input to function. Refer to the System Setup section in Chapter 4 to install software licenses.

5. MADI Fiber SFP: (optional) This input module accepts an optical AES10 64-channel MADI input signal at 48 kHz sample rate. An optional license key must be purchased to enable this function. A software license must be installed for SFP ports to function. Refer to the System Setup section in Chapter 4 to install software licenses.

6. AES Inputs: (optional) This HD-15F connector accepts 4 AES3id digital audio pairs (8 channels) at a 48 kHz sample rate. Refer to Figure 2-3 for the pinout of this connector. The easiest way to interface with this connector is to use an HD-15 to VGA adaptor cable. Channels are selected as AES 1-8. A software license must be installed for these inputs to function. Refer to the System Setup section in Chapter 4 to install software licenses.

Figure 2-3: AES HD-15F Connector Pinout

7. AES Outputs: This HD-15F connector provides 4 AES3id digital audio pairs (8 channels) at a 48 kHz sample rate from selected monitored sources. Refer to Figure 2-3 for the pinout of this connector. The easiest way to interface with this connector is to use an HD-15 to VGA adaptor cable. These outputs are not controlled by the Volume and Balance controls. Monitored channels 1 and 2 are sent from AES-1, channels 3 and 4 are sent from AES-2, channels 5 and 6 are sent from AES-3, and

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channels 7 and 8 are sent from AES-4.

8. SFP Module Cage: An SFP cage is provided to accept one optional SFP module compatible with SDI coaxial or optical signals. The SFP modules are hot swappable for convenience. An optional license key must be purchased to enable each module. A software license must be installed for the SFP port to function. Refer to the System Setup section in Chapter 4 to install software licenses. The following SFP modules are offered:

a. 3G/HD/SD-SDI Single Video Receiver with Active Loopback:

This uses HD-BNC connectors.

b. 3G/HD/SD-SDI Video SFP with Optical Input: This uses LC

fiber connectors. It is a Single-Mode Receiver, Medium Haul, NonMSA, and no output.

c. SMTPE 2022-6 Receiver: This uses Multi-Mode 850 NM, LC fiber

connectors. It allows the iAM2-8 to monitor SDI audio transmitted in real time over Ethernet. You must use the MN-Set configuration software to set up this option. It is available from Wohler Technologies Technical Service.

d. SMTPE 2110 Receiver: This uses Multi-Mode 850 NM, LC fiber

e. SMTPE 2110 or 2022-6 Receiver: This uses Multi-Mode 850 NM,

LC fiber connectors. It allows the iAM2-8 to monitor SDI audio transmitted in real time over Ethernet. You must use the MN-Set configuration software to set up this option. It is available from Wohler Technologies Technical Service.

9. Analog Inputs: These female XLR connectors provide two balanced analog inputs:

Left

and

Right

. The Analog Inputs are standard on the

iAM2-8. Refer to Figure 2-4 for the pinout of this connector.

Figure 2-4: Analog XLR-F Output Connections

10. Analog Outputs: These male XLR connectors provide two balanced

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analog outputs:

Left

and

Right

. The source of these signals is the mix of audio as monitored by the internal speakers and is adjusted by the Volume and Balance controls. The Analog Outputs are standard on the iAM2-8. Refer to Figure 2-5 for the pinout of this connector.

Figure 2-5: Analog XLR-M Output Connections

11. Option Card Slot: This metal plate can be removed to reveal a location in which future optional modules can be installed.

12. TOSLINK Optical Input (optional): This connector is located on the panel of the optional OPT-iVAM ANALOG Option card, as well as on the panel of the AoIP Option card. It provides an optical stereo pair input.

13. Balanced Analog DB-25 Outputs (optional): This DB-25 female connector outputs 8 channels of +10dBu broadcast level balanced audio. This connector is located on the panel of the optional OPT-iVAM ANALOG Option card. The source of these signals is the monitored audio channels as shown on meters 1 - 8. Tascam cables may be used, and can be purchased by contacting Wohler Sales. Refer to Figure 2-6 for the pinout of this connector.

Note: PCM channels marked as data channels (such as those containing encoded Dolby streams) are automatically muted from being sent out to the external amplifier and speakers.

Note: When these outputs are used to connect to an external amplifier and speakers, the external amplifier should be muted whenever the iAM2-8 is being powered up or powered down.

14. Balanced Analog DB-25 Inputs (optional): This DB-25 female connector inputs 8 channels of up to +10dBu broadcast level balanced audio. This connector is located on the panel of the optional OPT-iVAM ANALOG Option card. These signals are monitored on meters 1 - 8 by default. Tascam cables may be used, and can be purchased by contacting Wohler Sales. Refer to Figure 2-6 for the pinout of this connector.

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Figure 2-6: Analog DB-25F Input and Output Connections

Pair 1 Pair 2 Pair 3 Pair 4

L R L R L R L R

12345678910111213

141516171819202122232425

N/C

GGGG

15. AoIP SFP Module Cage (optional): This provides a location in which to insert the AoIP Module supplied with the OPT-DANTE (iVAM) and OPT RAVENNA 64 options.

16. Primary / Secondary 1GB ENET (optional): Primary and Secondary Gigabit Ethernet interfaces are provided with the AoIP option module.

17. Combo Port (optional): An optional 1GB Fiber Ethernet SFP module and the Primary RJ-45 Ethernet port on the option card operate as a combo port, that is, they provide two different physical layers, optical fiber or electrical, but share the same Ethernet characteristics. However, the two different ports cannot be used simultaneously. You must choose to connect either one or the other.

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SFP-2022-6 / SFP-2110 Address Setup

While the optional SFP-2022-6 and SFP-2110 modules monitor program audio created from distinctly different technologies, both are connected to the network in the same way and have the same requirements for addressing. Figure 2-7 illustrates the network connections they need.

Figure 2-7: SFP-2022-6 and SFP2110 Network Diagram

The optional SFP-2022-6 or SFP-2110 module furnished by Wohler Technologies is manufactured by Embrionix and comes from the factory with a default IP address. To integrate it into your digital network, you need to set its address to the source to be monitored. You must use the MN-Set configuration software to set up this option. It is available from Wohler Technologies Technical Service. The procedure to accomplish this is described in the SFP-2022-6 / SFP-2110 Setup Guide (part number 821822), which is available at https://wohler.com/downloads/ .

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Channel Meters and Touch Operations

The audio mixer terminology of “solo” is used in this manual when referring to muting all but a specific audio channel or pair.

Audio meters are displayed on touchscreen LCD display(s) in up to 8 channel pairs, as shown in Figure 2-8.

Figure 2-8: Audio Level Meter Screen

Loudness

Reading

LKFS-M : -24.6

-00

-20

-30

-40

t e r e o

Source /

Preset

Loudness Cluster

Marker

SDI-1

r e o

Channel

Identifiers

r e o

-00

-20

-30

-40

Channel

Pair Touch

Selection

Area

-60

Phase Indicators

1. Channel Identifiers: Above the level meters are the Channel Identifiers. They indicate the consecutive channel numbers in the selected source.

-60

An arrow pointing to the left indicates that this is a left channel and will be monitored in the left speaker.

An arrow pointing to the right indicates that this is a left channel and will be monitored in the right speaker.

A square indicates that this is a center channel and will be monitored

in both speakers.

This symbol indicates that this channel pair is a Dolby bitstream.

Refer to the Dolby Zoom section of this chapter.

2. Source/Preset: This displays the name of the Source or Preset currently being displayed.

3. Loudness Cluster Marker: This orange bracket marks which cluster is currently being measured for Loudness.

4. Loudness Reading: This control displays the Loudness of the selected

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Cluster. It can also be touched to change which Cluster is being measured. To do this, touch the green Loudness Reading control. It will temporarily turn orange. You may then touch the meters in any other cluster. The Loudness Cluster Marker will then move to that cluster and its measurement will begin and be displayed. You may then touch the control again to return it to its green color, restoring normal touch functioning, or wait 15 seconds for it to time out.

5. Channel Pair Touch Selection Area: Touching the meters of any channel pair will let you mute, un-mute, or solo the associated channel(s). Colored boxes surrounding the channel pair or channel indicate what operation is being performed. The following describes each function:

a. Mute / Un-Mute Selection: A violet box surrounds any channel

pair that is muted. Typically, when the iAM2-8 is first powered, all of the channel pairs are muted. Touching a muted channel pair unmutes it and removes the violet box. Muting and un-muting by touching is an alternate action function.

b. Solo Selector: Touch for two seconds any channel pair you would

like to solo. A blue box will then surround the pair and that will be the only pair you hear. Any violet boxes will disappear. Touching another channel pair will then move the blue box to it, and it will be soloed. Touch again to return the combination of monitored channel pairs to the way they were before you soloed the pair.

c. Channel Solo: Rotating the Channel control will move a white

selection box from channel to channel. Press the Channel control to solo the selected channel. That channel alone will then be surrounded by a blue box and it will be the only channel being monitored. Press the Channel control again or touch anywhere on the meters to undo the solo and return the combination of monitored channel pairs to as it was before you soloed the channel.

6. Channel Gain and Speaker Assignment: The channel gain and speaker assignment of a particular channel can be changed dynamically from the Front Panel controls. When a channel is soloed (as in the Solo Selector paragraph above) the Source/Preset knob can be used to perform the following operations:

a. Adjust Channel Gain: The user can rotate the Source/Preset

knob to adjust the channel gain for the soloed channel. This affects the input channel gain. Valid range is from -60 to 12 dB. The

selected gain will display at the top of the screen: Changing channel gain affects all the outputs that have “Volume Control” enabled.

b. Channel Assignment Change: Press the Source/Preset knob

once to toggle to Channel Assignment Change mode. In this mode, rotating the Source/Preset knob changes the speaker that the channel is assigned to. The valid assignments are: Left, Right,

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Center, LFE, Left Surround, Right Surround, Back Surround Left, Back Surround Right, Mono Surround. The selected assignment will

appear at the top of the screen: This assignment only affects the internal speakers and no other outputs.

Note: In Solo mode, the Source/Preset knob cannot be used to

change the source. The changes made to the channel gains and/or speaker assignments are temporary and revert to the original values when a Source Select or Preset Recall operation is performed.

7. Phase Indicators: At the bottom of each channel pair is a Phase Indicator. The indicators light a dull green if the channels in the pair are in phase or bright red if they are out of phase. You may set which Phase Indicators appear using the Phase Config Menu or with the System Preferences: Phase Indicator Configuration tab in the Wohler Web GUI.

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Dolby Zoom Screen

Dolby Zoom is a very powerful analysis tool. Much as a camera lens can "zoom"

into a single subject of interest out of many, the Dolby Zoom feature lets you quickly "zoom" into a single Dolby bitstream, out of multiple encoded Dolby streams and other channels. You can immediately listen to and meter the contained audio channels, as well as view the Dolby metadata. Bitstreams are shown distinctively along with the normal metering channels, as shown in Figure 2-8. The Dolby Zoom Screen is shown in Figure 2-9.

Dolby decoding is an optional feature requiring the OPT-DOLBY module. It allows decoding and monitoring of Dolby® D, DD+, & E streams. System Setup section in Chapter 4 to install software licenses.

Figure 2-9: Dolby Zoom Screen

Refer to the

When the Dolby Zoom screen appears, up to 8 decoded Dolby channels will appear on the meters. You may use a Dolby Preset to display the downmix on any pair of meters. As shown in the figure above, SDI-1 – (Pair : 4) indicates that the meter bar graphs and metadata are derived from the Dolby bitstream on the fourth pair of input SDI-1. However, you may solo or mute the individual channels for troubleshooting or other purposes. Use the left screen to select other Dolby E channels to be monitored. Touch and slide the control on the Dolby Metadata screen to scroll through multiple lines of metadata.

A wide range of Metadata is available, which can help you diagnose possible problems. It will vary according to the type of Dolby signal. For example, for checking Guard Band, the iAM2-8 will display the Line Position of each Dolby E bitstream in the Dolby signal.

Touching the Exit Dolby button returns you to the monitoring screen from which you came.

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Menu / Option Touchscreen

You may set most options or view a variety of system information using the selfcontained menus. Figure 2-10 is a diagram of the menu arrangement, a tree showing how to reach any menu from the Main Menu. Hold the Source knob pressed for two seconds to access the Main Menu. Figure 2-11 shows the Main Menu.

Figure 2-10: Menu Tree

Main Menu

Source Select

Preset Favorites

All Presets

Loudness Meter

Loudness Settings

Unit Settings

System Options

System Details

Preset Favorites

Screen

Loudness Meter

Screen

Unit Settings

Speaker Options

Meter Scales

Unit Configuration

Phase Configuration

Analog Config

Source Selection

Screen

All Presets Screen

Loudness Settings

Screen

Speaker Options

Screen

Unit Configuration

Screen

Analog Config

Screen

Meter Scales

Screen

Phase Configuration

Screen

System Options

Network Settings

System Reboot

System Update

Factory Reset

Passcode Settings

System Details

Screen

Network Settings

Screen

System Update

Screen

Passcode Settings

Screen

System Reboot

Screen

Factory Reset

Screen

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Main Menu

Hold the Source knob pressed for two seconds to access the Main Menu. The Main Menu is shown in Figure 2-11.

Figure 2-11: Main Menu

Unit Settings

Touching the Unit Settings selection on the Main Menu screen proceeds to the

Unit Settings Menu, which contains additional menu selections. The Unit Settings Menu is shown in Figure 2-12. This is an intermediary menu which leads

to other menus and screens.

Figure 2-12: Unit Settings Menu

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Speaker Options

Touching the Speaker Options selection on the Unit Settings Menu screen proceeds to the Speaker Options screen. The controls on this screen affect various characteristics of the monitored audio as heard on the iAM2-8. This screen is shown in Figure 2-13.

Figure 2-13: Speaker Options Screen

Speaker Options

Volume Reference

Treble

0 dB

Bass

0 dB

Low Cut On Off

<< >>><

Back

12-12

Set to

Flat

The controls function as follows:

1. Volume Reference: The Volume Reference setting controls the attenuation level of the internal speakers. The value ranges from 0 to -255 dB. 0 results in full volume and -255 causes the speakers to be muted.

2. Treble: This tone control adjusts the high frequency speaker audio response from -12 dB to +12 dB. Lowering Treble compensates for high frequency pre-emphasis or removes sibilance effects. Increasing Treble will add “sizzle” to the sound and bring high-pitched sounds out of the mix. The control can be touched and moved left or right to adjust in 2 dB increments. After touching the Treble control, the Channel knob can also be turned to make the adjustment.

3. Low Cut: Low Cut is provided for cases where unusually deep content produces audible distortion and interferes with monitoring.

4. Bass: This tone control adjusts the low frequency speaker audio response from -12 dB to +12 dB. Lowering Bass will unmask midrange band sounds, while increasing Bass will make the sound “fatter”. The control can be touched and moved left or right to adjust in 2 dB increments. After touching the Bass control, the Channel knob can also be turned to make the adjustment.

5. Set to Flat: This button sets both the Treble and Bass controls to 0 dB, removing any emphasis or de-emphasis they can provide. Selecting Flat provides the flattest measured response from the internal speakers.

Touch Back to exit this screen.

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Meter Scales

Touching the Meter Scales button on the Unit Settings Menu displays the Meter Scales screen as shown in Figure 2-14. The controls on this screen select the scale standards as well as the ballistics that will be applied to the audio meters.

Figure 2-14: Meter Scales Screen

The controls function as follows:

1. Scale: This meter scales standard to be used when displaying audio levels. A choice of seven scales is available. Touch the left or right arrows to select the scale. A representation of the chosen scale will be shown at the right. The possible scales that can be selected are shown in Figure 2-15.

Figure 2-15: Meter Scale Selection

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Table 2–4: Meter Limits and References

Scale Bottom Limit Top Limit

AES -72 dBFS 0.0 dBFS 0 dBFS = 0 dBFS -30 dBFS -20 dBFS

DIN -53 dBr +5.5 dBr -15 dBFS = 0 dBr -5 dBr 0 dBr — IEC Type I

BBC

VU -45 dBr +3.5 dBr -20 dBFS = 0 dBr -3 dBr 0 dBr — VU

EXTVU -56 dBr +16.0 dBr -20 dBFS = 0 dBr -10 dBr 0 dBr — VU

NORDIC -44 dBr +12.5 dBr -18 dBFS = 0 dBr -10 dBr 0 dBr — IEC Type I

EBU

-13.25 dBr +13.0 dBr -18 dBFS = 0 dBr 0 dBr 8 dBr — IEC Type I

Default

Reference

Default Color Bounds

Lower Upper Float Bar

Default Ballistics

IEC Type I

2. Ballistics: The Bar and Float ballistics associated with the selected meter scale are displayed. Refer to Table 2-5. Ballistic timings are valid only at 48 kHz.

Table 2–5: Meter Timings

Fall

Ballistics Rise

Level

Change

Time

VU Not Specified

IEC Type I

5 ms to reach -2 dB of

-20 dB 1.7 sec.

settled reading

IEC Type II

10 ms to reach -2 dB of

-24 dB 2.8 sec.

settled reading

None Bar or Floating Segment Not Displayed

When you have made your choices, touch Save to retain them. Touch Back to exit this screen.

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Unit Configuration

Touching the Unit Config selection on the Unit Settings Menu proceeds to the Unit Configuration Menu. This menu is shown in Figure 2-16.

Figure 2-16: Unit Configuration Menu

Unit Configuration

Right LCD Brightness

Left LCD Brightness

AES Termination

Source Knob Selection

The controls function as follows:

1. Right LCD Brightness: This setting adjusts the brightness of the right display screen, which is used for meter displays and menus. Touch the left pointing arrow to dim the brightness or touch the right pointing arrow to increase the brightness.

Cancel & Exit Save & Exit

< >

Source Select

< >

2. Left LCD Brightness: This setting adjusts the brightness of the left display screen. Touch the left pointing arrow to dim the brightness or touch the right pointing arrow to increase the brightness.

3. AES termination: AES signals should have one and only one termination. This termination should physically be at the last destination of an AES coax cable. If the iAM2-8 is the last connection in a series of AES connections, then its terminations should be turned on. A symptom of too many terminations (or no termination) is that no signal appears to be present on the AES input. Touch the On - Off switch to change the termination setting.

4. Source Knob Selection: This setting determines the function of the Source knob on the front panel. It may be set as follows, depending upon your needs:

a. Source Select: The Source knob will select the input source to be

monitored.

b. Cluster Select: The Source knob will select the Loudness Cluster to

be measured.

c. All Presets: The Source knob will select between any Presets present

in the unit.

d. No Operation: The Source knob will perform none of the above listed

selection operations. If the Source knob is set to No Operation and

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is turned, the Audio Meters screen will display for 3 seconds at the top center, as a reminder.

Note: Regardless of the Source Knob Selection, the Source knob is

used to select clusters when in the Loudness Meter Screen.

Touch Save & Exit or Cancel & Exit to exit this menu.

Phase Configuration

Touching the Phase Config selection on the Unit Settings Menu proceeds to the Phase Config Menu. This menu is shown in Figure 2-17.

Figure 2-17: Phase Configuration Menu

Phase Config

Cancel & Exit

Pair - 1

Pair - 3

The controls function as follows:

1. Pair 1 - 8: These switches allow you to select which channel pairs will receive a phase meter on the Metering Screen. Generally, it is useful to monitor the relative phase of stereo pairs. However, sometimes each channel of a pair is unrelated to each other. This can be because the channels are used to convey two independent monophonic signals or that one channel may be a Center channel and the other may be a Low Frequency Effects channel. In these instances, the Phase Indicator would almost always indicate an out of phase condition. Because this would be a needless distraction to the operator, switches are provided on this screen to individually turn phase monitoring for each channel pair on or off.

Pair - 2

Pair - 4

Save & Exit

Off

2. Cancel & Exit: If you decide that you do not want to keep the settings you have made on this screen, touch the Cancel & Exit button to discard the changes and return to the Unit Settings menu.

3. Save & Exit: When you have finished making the changes you want on this screen, touch the Save & Exit button to save the changes and return to the

Unit Settings menu.

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Analog Configuration

Touching the Analog Config button in the System Options Menu displays the Analog Config screen. Contained in this menu is an Analog Reference as illustrated in Figure 2-18. The parameters set on this screen pertain to the Analog Input and Analog Output DB25 and XLR connectors on the rear panel of the iVAM1-3.

Figure 2-18: Analog Configuration Menu

Analog Config

Save

Cancel

Analog Reference

There is only one setting on the Analog Reference menu:

1. Analog Reference: This setting adjusts the relationship between the monitored digital signal level and the analog signal level that is output from both of the DB25 and both of the XLR connectors on the back panel. The default setting is -20 Dbfs = +8 dBu as shown in Figure 2-18. The range of possible settings is as follows:

a. -20 dBFS = +8 dBu

b. -20 dBFS = 0 dBu

< >

-20 dBFS = +8 dBu

c. -22 dBFS = +4 dBu

d. 0 dBFS = +15 dBu

e. -16 dBFS = +4 dBu

f. -18 dBFS = +4 dBu

g. -18 dBFS = 0 dBu

h. -20 dBFS = +4 dBu

Touching Save will save any changes made, or touching Cancel will return you to the System Options menu without saving.

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Source Select

If you have set the Source Knob Selection setting in the Unit Config menu to

Source Select, you may change the monitored source by simply rotating the Source knob.

Alternatively, touching the Source Select selection on the Main Menu proceeds to the Source Select menu, which shows all of the possible sources. The selected source is shown in a light color. You may simply touch another source in this menu to switch to it. This screen also shows sources which are unlicensed and therefore nonfunctional. These sources are shown in a gray color. To license these sources so that they may be used, contact Wohler Technologies. Figure 2-19 shows the Source Select Menu.

Figure 2-19: Source Select Menu

Source Select

SDI-1

SFP

MADI-BNC

AoIP

MADI OPTICAL

Analog

SDI-2

AES

TOSLINK

Touch Menu to exit this menu.

If you touch MADI BNC, MADI Optical, or SFP, an additional selection screen will be shown, asking you select which 8 MADI channels to monitor or which SFP functionality to monitor. An example of these screens is shown in Figure 2-20.

Note: AoIP, TosLink and/or Analog (DB25) sources are only available if the appropriate hardware option cards are installed on the unit. Refer to Table 3-3. If not installed, then the system will show message Feature is not supported or

requires valid hardware, as illustrated in the last screen shown in Figure 2-20.

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Figure 2-20: SDI, MADI, SFP, Analog, & AoIP Selection Screens:

Touch Back to return to the Source Select menu or touch Menu to return to the Main Menu.

Presets

Presets are pre-arranged input and monitoring setups that can be used to monitor a variety of combinations of inputs. They may be set up to allow quick and easy selection of monitoring configurations for various productions and situations. If you have not set up any Presets, use the Configure Presets page in the Web GUI to do so. Refer to Chapter 4. Or, if you prefer not to set up any Presets, simply monitor the sources directly using the Source Select button in the Menu.

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Preset Favorites

Touch the Preset Favorites button to display the Preset Favorites screen. This shows the Presets that you have designated as Favorites. Refer to the Dashboard section of Chapter 4. Generally, these are frequently used Presets that you want to separate out from the possibly many other Presets in the system. The Preset Favorites screen is shown in Figure 2-21.

Figure 2-21: Preset Favorites Screen

Preset Favorites

Comedy Time Satire Today

<- <<- ->> ->1 of 1

In this screen, the currently selected Preset is shown in bright yellow. Touch any Preset to select it. To exit this screen without making a selection, touch Menu. If no Favorite Presets have been designated, this screen will appear as shown in Figure 2-22.

Figure 2-22: Preset Favorites Screen - No Favorites

iAM2-8

Preset Favorites

No favorite presets have been created.

You can create favorite presets using the

iAM2-8 web interface.

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All Presets

Touch the All Presets button to display the All Presets Group Selection screen as shown in Figure 2-23. If no Presets have been created, the screen in Figure 2-25 appears instead.

Figure 2-23: All Presets Screen - Group Selection

Active Preset: Operator 1 / Comedy

Operator 1 Operator 2

<<-

->> ->Group: Page 1 of 1

The Presets are normally arranged into Groups. Use this screen to select which Preset-containing Group to examine. After selecting one of the Groups, the Preset Selection screen shown in Figure 2-24 is shown.

Figure 2-24: All Presets Screen - Preset Selection

Groups

Group: Operator 1

To select a Preset, touch the associated button. After a quick 2-second delay, the metering screen will display the channels contained in that source.

To return to the All Presets Group Selection screen instead, touch the Groups button. To return to the Menu without making a selection, touch the Menu button.

iAM2-8

First Show Late Show Evening News

Good Morning!

<<-

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->> ->Preset: Page 1 of 1

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Figure 2-25: All Presets Screen - No Presets

Input Source: SDI-1

No presets have been created.

You can use source select

Create presets using the

iAM2-8 web interface.

To return to the Menu from this screen, touch the Menu button.

Loudness Meter

Touch the Loudness Meter button to reach the Loudness Meter Screen. The Loudness Meter Screen is a more detailed view of the Loudness Measurement. It is displayed along with the channel meter screen. Touching the Loudness Menu button followed by the Loudness Meter button proceeds to the Loudness Meter Screen, as shown in Figure 2-26.

Figure 2-26: Loudness Meter Screen

MenuAudio Meters

LRA 0.1

PROG -21.5

MAX -20.1

TP -20.0

-24

LU-M

Ref

-3

-6

-9

-12

-15

-18

-21

1: Stereo 2.0 #1

Note: In order to calculate loudness accurately, it is crucial that you correctly set

the Channel Function for each channel. Depending upon the designated function of each channel, its signal levels will contribute differently to the Loudness calculation.

Refer to the Configuration | System Preference | Loudness Configuration tab in the Web GUI.

The following data is available on the Loudness Meter Screen:

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The Program Loudness (shown as -22.5 LKFS in the figure above) is shown digitally at the upper left of the screen as well as on the meter in the center. At the base of the meter in the center, one of three indications appears:

1. LU-M: This means that the Loudness Window is set to Momentary.

2. LU-S: This means that the Loudness Window is set to Short Term.

3. LU-C: This means that the Loudness Window is set to Custom. The Loudness Window is set in the Loudness tab in the Web GUI.

The LU Meter scale colors have the following meaning:

1. Blue: Loudness is lower than the Reference Level by the Alarm Tolerance.

2. Green: Loudness is within the Alarm Tolerance.

3. Orange: Loudness is greater than the Alarm Tolerance.

Below the digital Loudness meter, in the left column, the following parameters are also displayed:

1. The Loudness RAnge (LRA) is the measure of variation between the calculated loudest and softest passage over the program period (shown as LRA -0.1 above).

2. The Average Loudness is the average of all calculated loudness measurements made over the Program period (shown as PROG - 20.5 above).

3. The Maximum Loudness is the maximum calculated loudness over the program period (shown as MAX -20.1 above).

4. The Maximum True Peak Loudness is the absolute loudest peak waveform over the program period (shown as TP -20.0 above).

Note: Further and more detailed descriptions of all of the above Loudness terms may be found in the ITU-R BS.1770-3 loudness standard.

The controls available on the Loudness Meter Screen are:

1. Cluster Select: The name of the monitored channel cluster is shown at the bottom right of the screen. Rotate the Source knob to select any other monitored channel cluster. Changing clusters with this control will reset the loudness readings and start a new calculation on the newly selected cluster.

2. Start: When Manual Mode is selected in the Loudness Settings screen, from a stopped condition, the Start button will reset the gathered loudness data and begin a new reading. From a paused condition, data will not reset as monitoring is resumed.

3. Pause: The Pause button will temporarily stop or continue gathering loudness data. Data will not be reset using this control.

4. Reset: The Reset button will reset the gathered loudness data. If it is pressed while a loudness measurement is in progress, a new reading will then immediately begin.

5. Stop: When Manual Mode is selected in the Loudness Settings screen, the Stop button will stop gathering loudness data. Data will be held for viewing and not be reset using this control.

6. Back: Touching the Back button to go to the Loudness Menu.

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7. Audio Meters: Touching the Audio Meters button will proceed to the Audio Meters screen.

Loudness Settings

Touch the Loudness Settings button to display the Loudness Settings screen. This screen allows you to change between Manual and Continuous Monitoring Modes, and also to set the Alarm mode. It also provides a summary of various Loudness settings, as set in the Configuration | System Preference | Loudness Configuration tab of the Web GUI. Refer to Figure 2-27.

Figure 2-27: Loudness Settings Screen

The controls and information available on the Loudness Meter Screen are:

Monitoring Mode:

1. Manual: Touch the Manual button to enable Manual Mode. This allows you to measure the loudness of a specific program or segment of a program, such as a commercial. In this mode, the Start and Stop button on the Loudness Meter screen can be manually used to begin and end a loudness measurement interval. The reading for that interval is then held on the Loudness Meter.

2. Continuous: Touch the Continuous button to enable Continuous Mode. In this mode, loudness readings are continually made. The Stop button on the Loudness Meter screen is not active.

Alarm:

1. Over: The Alarm indication will only appear when Loudness has exceeded the Reference Level by the Tolerance amount.

2. Under: The Alarm indication will only appear when Loudness is below the Reference Level by the Tolerance amount.

3. Both: The Alarm indication will only appear when Loudness has exceeded or is below the Reference Level by the Tolerance amount.

4. Off: The Alarm indication will not appear.

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Web GUI Loudness Settings: These settings are included on this screen for

reference only. They cannot be changed on this screen.

1. Standard: This is the loudness standard by which the loudness calculation is made.

2. Reference: This is the set point in the loudness measurement about which the determination is made as to whether an alarm should be displayed.

3. LRA Window: This is a moving window of time over which the loudness measurement is made.

4. Window: This may be set to Momentary, Short, or one of 22 values, ranging from one second to two hours.

Note: Further and more detailed descriptions of all of the above Loudness terms may be found in the ITU-R BS.1770-3 loudness standard.

When you have completed reviewing or changing the settings, touch the Loudness Meters button to go the Loudness Meters screen, or touch the Back button to return to the Loudness menu.

System Options Menu

Touching System Options in the Main Menu proceeds to the System Options menu, which is an intermediate menu leading to other screens. This menu is shown in Figure 2-28.

Figure 2-28: System Options Menu

System Options

Network Settings System Reboot

System Update

Passcode Settings

Touch Menu to exit this menu.

Factory Reset

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Network Settings

Touch the Network Settings selection on the System Options Menu displays the Network Settings menu as shown in Figure 2-29. This screen lets you view or change the product IP, the Net Mask, Gateway and DNS. It also lets you switch between a static (fixed) or a dynamic (DHCP) network address.

Figure 2-29: Network Settings Screen

1. To change the IP Address, Net Mask, Gateway, or DNS, tap the item you would like to change. A keypad will appear, as shown in Figure 2-30.

Figure 2-30: Network Configuration: Setting Change

2. Touch the digits to be entered and then touch the Enter button. The Clear button may be touched to erase any mistyped digits.

3. Now repeat steps 1 and 2 until you have replaced all of the necessary digits.

4. To save the newly entered address, touch the Enter button. Touch the

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Important:

, so make sure you want to

The system will not need to reboot

this action before taking it. The system does not need to reboot before

Important:

To change from a static (fixed) to a dynamic (DHCP) network address, touch the DHCP button. The screen will change, as shown in Figure 2-31. To change back to a static (fixed) network address, touch the DHCP button again. The colors of the buttons will return to the ones depicted in Figure 2-29.

Cancel button to return to the previous screen without saving any changes.

There is no confirmation for Save, so make sure you want to perform

it is once again ready for operation.

Figure 2-31: Network Settings: DHCP

1. To complete the network addressing scheme change, touch the Save button. This will save the changes you selected.

2. Touch the Cancel button to return to the previous screen without saving any changes.

There is no confirmation for Save and Exit perform this action before taking it. before it is once again ready for operation.

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System Reboot

Touching the System Reboot selection on the System Options Menu displays the System Reboot screen as shown in Figure 2-32. This function is normally only used upon request from Wohler Technical Service to troubleshoot or correct an issue.

The System Reboot function should be used with a bit of forethought. It puts the system out of service for several minutes while it is rebooting.

Figure 2-32: System Reboot

System Reboot

Are you sure?

You wish to Reboot the System?

Back

Yes

If you have any doubt as to whether you should press Yes, press Back or No instead, and contact Wohler Technical Service for advice. Pressing Back or No will return you to the System Options menu.

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System Update

Touching the System Update selection in the System Options Menu displays System Update screen as shown in Figure 2-33, showing the current software version of the product. To update the system software locally from the iAM2-8 front panel, follow the procedure in the Local Update from the Front Panel section of Appendix A.

Figure 2-33: System Update Screen

System Update

Upgrading System.

There is no USB mounted.

Refresh

Software Version 0.0-0

Back

If you have just inserted a flash drive with a valid software upgrade package, press Refresh to see that package.

Touch the Back button return to the System Options Menu.

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Factory Reset

Touching the Factory Reset selection in the System Options menu displays the Factory Reset screen as shown in Figure 2-34. Because of the large change this function is about to make to the product, it asks for you for verification that you really want to proceed.

The Factory Reset function should be used with caution. It deletes all of the settings you have programmed into the system. It returns the system to the way it

was when received new from the factory. After using this function, you will need to use the Wohler Web GUI to reprogram everything from the start.

Figure 2-34: Factory Reset

Factory Reset

Set system to factory

default settings?

Back

Yes

Note: Factory Reset will also reset your IP address to the default one. After a

Factory Reset, the IP Settings will need to be updated. The default IP address for the unit is determined based upon the Mac address. It is 169.254.1.xx where xx is the last octet of the management Mac address. For example, if the Mac address is b4:ed:54:d0:04:28 then the IP address would be 169.254.1.40 (40 is the decimal equivalent for the last octet of Mac address 28.)

If you have any doubt as to whether you should press Yes, press Back or No instead, and contact Wohler Technical Service for advice. Pressing Back or No will return you to the System Options menu.

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System Details

Touching the System Details selection in the System Options menu displays the System Details screen as shown in Figure 2-35. This screen lets you view the product Serial Number, Software Version, and various other information.

Figure 2-35: System Details Screen

System Details

System State / Mode

System IP Address

Valid / Normal

169.254.1.100

Software 1.0.7

Serial Number 000000

MAC Address b4:ed:54:d0:07:64

Option Card Not Installed

The information shown on this screen is read only and cannot be changed.

Touch Menu to exit this screen.

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Passcode Settings

To prevent accidental or unauthorized changing of critical settings in some of the menus, it is possible to block or restrict access to various menus. The Wohler Web GUI can be used to limit access to the menus of your choice. Refer to Chapter 4, the Front Panel Configuration tab of System Preferences.

The iAM2-8 contains a Passcode Settings screen. Access to this screen is always protected by a unique Passcode, which you can set. Note that the protection of the

Passcode Settings selection is indicated by an orange lock icon: The Passcode Settings button on the System Options screen contains this icon, as

shown in Figure 2-36. The factory default Passcode is 0-0-0-0.

Figure 2-36: System Options - Passcode Settings Lock

System Options

Network Settings System Reboot

System Update

Factory Reset

Passcode Settings

Touching the Passcode Settings selection in the System Options menu proceeds to the Passcode Entry screen as shown in the left image of Figure 2-37.

Figure 2-37: Passcode Entry Screen

Enter Passcode

Backspace

Enter Passcode

Backspace

Enter the Passcode on the keypad and touch Enter. The numbers will display as

Clear

Cancel

Enter

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Clear

Cancel

Enter

iAM2-8

Page 45

bullets in the field. If you enter the wrong Passcode, the entry field will turn red, as shown on the right image of Figure 2-37. Press Clear and try again.

When you have successfully entered the Passcode, the Passcode Settings screen will appear, as shown in Figure 2-38.

Figure 2-38: Passcode Settings Screen

Passcode Settings

Cancel

Restricted Access

Set Passcode

Type

< >

Apply Default

The functions on this screen are as follows:

Restricted Access: This switch will turn ON or OFF protection or blocking of any menus, except for the Passcode Settings menu, which is always Passcode protected.

Set Passcode: Touching this button proceeds to a keypad which allows you to enter a new Passcode. The screen shown in Figure 2-39 will appear. The Passcode can be any 4-digit number. Touch Enter to save the new Passcode or touch Cancel to keep the previous Passcode. Be sure to save the Passcode in a safe place for future reference.

Passcode

Access

Save

Figure 2-39: Set Passcode Screen

Set Passcode

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Backspace

Clear

Cancel

Enter

iAM2-8

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Type: Select the type of disabled button appearance using the Type button. The

choices are:

Passcode Access: The Passcode protected function buttons include a small orange padlock icon within the buttons. This is shown in the left image of Figure 2-40. Touching these buttons will cause a Passcode entry screen to appear, as shown in the left image of Figure 2-37. The correct Passcode must be entered to proceed.

No Access: If the function buttons are protected by No Access, the buttons are grayed out and non-functional, as shown in the right image of Figure 2-

40. These buttons cannot be accessed at all unless the restricted protection is removed by switching OFF the Restricted Access setting in this menu.

Figure 2-40: Examples of Menu Protection

Passcode Access: No Access:

System Options

Network Settings System Reboot

System Update

Passcode Settings

Factory Reset

Network Settings System Reboot

System Update

Passcode Settings

Factory Reset

Apply Default: Touching this button returns the settings in this screen to the factory default values. The Passcode becomes 0-0-0-0.

Save: Touching this button saves the settings made in this screen and returns to the System Options screen.

Forgotten Passcode

Although the Passcode should be remembered or securely noted somewhere, it can happen that it is forgotten. This can be remedied by performing a Factory Reset from the Wohler Web GUI. Unfortunately, this will also erase all of the menu settings. You may also contact Wohler Technical Service for help.

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iAM2-8

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channels from:

CHAPTER 3:

Table 3–1: iAM2-8 Specifications

Specification

Power Requirements Power Consumption 65 Watts

Dimensions (H x W x D)

Shipping/Net Weight 12 lbs. (5.44 kg) / 7.95 lbs. (3.61 kg) Supplied Accessories AC Power Cord Display Type Two 4.3" Capacitive Touchscreen LCDs Screen Resolution 480H x 272V Viewing Angle 160 (H) x 160 (V) Audio Channels 8 Max Level Meters Simultaneous Average & PPM

Level Meter Scale

Technical Info

100 VAC to 240 VAC ± 10%, 50/60Hz

3.5” x 19” x 5.5” (88mm x 483mm x 140mm), standard 19” rack mounting

Choice of AES, BBC, DIN, EBU, EXTVU, NORDIC, or VU

Values/Domains

Sample Rate 48kHz

De-Multiplexing

SDI Inputs / Outputs

MADI Inputs / Outputs

SMPTE 2022-6 Receiver

SMPTE 2110 Receiver

• 16-channel SD/HD/3G-SDI

• 64-channel AES10 MADI

•

2 SDI Inputs and 1 SDI Output

Optional – Single SFP Transceiver:

• HD-BNC Coax 3G/HD/SD-SDI

• Multi-Mode Fiber: 1 SI Optical SC-Connector, 1300nm

• Single-Mode Fiber: 1 SI Optical SC Connector, 1310nm

•

1 MADI BNC, Standard Coax I/O

Optional – SFP Transceiver:

• Multi-Mode Fiber: 1 MADI Optical SC-Connector, 1300nm

• Single-Mode Fiber: 1 MADI Optical SC Connector, 1310nm

Optional - SFP Receiver:

• Multi-Mode Fiber: LC Connectors, 850nm

Optional - SFP Receiver:

• Multi-Mode Fiber: LC Connectors, 850nm

iAM2-8

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<0.0

THD+N

Analog Output

Reference

Headphone Out

Stereo

Specification

Values/Domains

Cable/Fiber Length (max)

COAX (such as Belden 1694A): > 150 m

Single-mode fiber: 10 km

AES Inputs

AES Outputs

Upgrades SDI Input Termination

AES/EBU Input Termination AES/EBU/MADI Sampling

Rate Analog Inputs - Stereo

Analog Input Impedance Analog Outputs - Stereo

Analog Output Frequency Response

8 AES channels on HD-15 are optional

8 AES channels on HD-15

Via USB interface 75Ω unbalanced

75Ω unbalanced

48 kHz

XLR-3 Female, balanced 40kΩ balanced XLR-3 Male, balanced +28 dBU max

40 Hz to 20 kHz (± 1dB)

Analog Output Distortion Analog Output Dynamic

Range

Level

> 100 dB

-20 dBFS = +4 ± 1.0 dBU

Internal Speakers - Stereo 3” Full Range Peak Acoustic Output 104 dBA SPL (@ 2 feet) Hum and Noise Better than -75 dB below full output

Power Output 15 Watts RMS, 30 Watts peak (each side) Acoustic Frequency

Response

60 Hz to 16 kHz (± 5 dB)

Stereo, 40 Hz to 20 kHz (± 1 dB)

Headphone Load 8Ω to 150Ω

iAM2-8

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Enables decoding and monitoring of 4 x AES

Table 3–2: iAM2-8 I/O Options

Option

SFP-Madi-MMFiber

SFP-Madi-SMFiber

Part #

829081

829082

SFP-SDI 829089

SFP-SDI-Fiber 829084

SFP-2022-6 829088

SFP-2110 829086

Description

MADI optical fiber transceiver. Multi-Mode, LC (fiber) connectors. SFP module with software activation key.

MADI optical fiber transceiver. Single-Mode, LC (fiber) connectors. SFP module with software activation key.

3G/HD/SD-SDI single video receiver with active loopback, HD-BNC connectors. SFP module with software activation key.

3G/HD/SD-SDI video SFP optical input; LC (fiber) connectors; Single-Mode Receiver, Medium Haul, Non-MSA, no output.

SMTPE 2022-6 receiver; Multi-Mode 850 NM, LC (fiber) connectors. SFP module with software activation key. Use MN-Set** to configure SFP.

SMTPE 2110 receiver; Multi-Mode 850 NM, LC (fiber) connectors. SFP module with software activation key. Use MN-Set** to configure SFP.

SMTPE 2110 or 2022-6 receiver; Multi-Mode SFP2110+2022-6

829087

850 NM, LC (fiber) connectors. SFP module

with software activation key. Use MN-Set**

configure SFP.

OPT-AES

829080

inputs and outputs on two HD-15

connectors. Requires a software activation

key.

Enables decoding and monitoring of 1 x OPT-MADI 829092

OPT-OUTPUTROUTING

829159

MADI64 input. BNC connectors.

software activation key.

Requires a

Enables the flexibility to route signals from

any inputs to various outputs.

**MN-Set is configuration software that is necessary so that you can set up this module. It is available at no cost either from its manufacturer, Embrionix, or by contacting Wohler Technologies Technical Service.

iAM2-8

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ANLG/TOS

ludes AoIP card. Enables 2 x

Table 3–3: iAM2-8 Option Cards

Option

OPT-DOLBY D, DD+, E

OPT(iVAM)

OPT-DANTE (iVAM)

OPT-RAVENNA 64 (iVAM)

Part #

829167

829170

829171

829172

OPT-SFP 829179

Description

Enables decoding and monitoring of Dolby®

D, DD+, & E streams. Hardware card with

software activation key.

Enable monitoring of 8 Analog channels on

DB-25. TOSLINK included.

Enable decoding and monitoring of DanteTM

input streams. Inc

RJ-45 ports for 2022-7 support (for Dante,

Ravenna and 2110-30) + SFP cage allowing

MM and SM SFP’s for AoIP Signals. TOSLINK

included.

Enable monitoring of up to 64 RavennaTM /

AES67 input. NMOS support. TOSLINK

included.

Adds two additional 3G inputs to 3G products,

or two 12G inputs to 12G products.

iAM2-8

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Figure 3–1: iAM2-8 Block Diagram

Monitoring Upgrades:

2110 2022-6 3G-SDI

Reclocked MADI

Channel Pair

Inputs 1 – 4

on HD-15

AoIP Option Card:

Dante Ravenna 2110-30

OPT-SFP:

2 SFP Cages

Analog Option Card:

8 Balanced Inputs 8 Balanced Outputs Toslink SPDIF

Balanced Analog Stereo Input Pair

Stereo

A/D

Converter

3G-SDI Input 1

3G-SDI Input 2

MADI

3G-SDI Output

Input

SFP Cage for

Optional

Module

Optional MADI

SFP Cage for

Optional

MADI

Module

Audio & Video from SDI 1, 2, or SFP

Active Loopback

BNC Input

BNC Output

Active Loopback

AES

AES Receiver

Primary

1 GB ENET

Secondary

1 GB ENET

Toslink

(SPDIF)

Input

Additional

SFP Cage 1

Toslink

(SPDIF)

Input

AoIP SFP

Cage for

Fiber Module

Additional

SFP Cage 2

L-R

Power

Stereo

ADCs

Stereo

DACs

Input

Selector

and

Router

Touchscreens for Audio Meters / Loudness / Control

-22.5 LKFS

LRA 0.1

PROG -21.5

MAX -20.1

TP -20.0

Audio Meters

+6 +3

-24

Ref

-3

-6

-9

-12

-15

-18

-21

1: Stereo 2.0 #1

LU-M

LKFS-M : -24.6

-00

-20

-30

-40

-60

Graphics / Touch Processors

Volume

/ Mute

Source

UI / System

Configuration

and Control

Audio Mixer, Level, Tone,

and Delay

Power /

Status

S/W Updates /

Class D

Amplifier

Controls

Class AB

Optional

Amplifier

Dolby

D/DD+/E

Decoder

Stereo D/A

Converter

Balanced

Line

Drivers

AES Output

Drivers

S t e r e o

Presets

USB

SDI-1

S t e r e o

Balance / CenterChannel

Headphone

any Monitored

AES Channel Pair

Outputs 1 – 4 on HD-15

Audio from any

Monitored Source

S t e r e o

Balanced

Analog Stereo

Output Pair

Audio from

Source

S t

-20

e r

-30

-40

-60

Mgmt

Port

Left Speaker

Right Speaker

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CHAPTER 4: The iAM2-8 Web GUI

The self-contained iAM2-8 Web GUI allows you to customize the configuration of the iAM2-8 to suit your needs. If the default configuration of the iAM2-8 suits your needs and you prefer to use it that way, then you do not need to use the iAM2-8 Web GUI.

The iAM2-8 Web GUI also allows you to have a remote view of the Meter Screen. Refer to the Audio Meters section in this chapter.

Web Browser / Control Device

Any web browser application running on any networked device such as desktop or laptop computer, tablet or smart phone can be used with the iAM2-8 Web GUI.

Tablets with no network connector need to be linked to a copper LAN through a WiFi adapter.

Although they can be used, smart phones are not recommended because their smaller screen size would require more scrolling, making operation challenging.

The Chrome® web browser is recommended for speed and compatibility.

First Time IP Assignments

The iAM2-8 can operate with a static (fixed) or dynamic (DHCP) IPv4 address. The default address will be 169.254.1.x where x depends upon the MAC address of the unit, when received from the factory or when switched from DHCP to static addressing mode. There two basic types of connections that may be used to connect the iAM2-8 to a web browser, a Peer-to-Peer Connection or a Network Connection.

Peer-to-Peer Connection

The most straightforward way to connect the iAM2-8 to a web browser, free of possible network conflicts, is to establish a static peer-to-peer connection between the setup computer and the iAM2-8. A 10/100/1000 MHz Ethernet switch may be used in between, but is not required.

Figure 4-1 shows an example of suitable address settings for the host computer in a Windows control panel. For Peer-to-Peer the IP address of windows should be in

169.254.1.x domain.

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Figure 4–1: Host IP Settings

Close the control panel and reboot the host computer after making an IP address change to be sure the change takes effect. Either reconnect to the installed network

or continue with this direct connection to access the iAM2-8 Web GUI.

Network Connection

When connected to a network, the iAM2-8 address will need to be changed to another address in order to be compatible with the address assignments for that particular network. Immediately after the host setup is complete, change the iAM28’s address. Make the corresponding address, mask and gateway changes in the iAM2-8 Network Setup page. Refer to the Network Setup section which follows.

Otherwise set the iAM2-8 to DHCP address mode by checking the box for ‘Use DHCP?’ in Network Setup and have your IT administrator assign rights and settings for operation on the network. Allow enough time for your network’s DHCP server to recognize a new network device and assign an address after booting.

The iAM2-8 uses link local addressing for its internal network, so no accommodation for this need be made in the network.

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Network Setup

Make network IP Address changes for the local iAM2-8 Management (MGMT) Port here.

iAM-AUDIO2-8

Figure 4–2: Set IP Addresses

The procedure for changing the IP Address information is as follows:

1. Use DHCP? Check this box if your network has a DHCP server and you want to use dynamic addressing. Otherwise, you must enter static IP address entries in the four fields which follow.

2. IP Address: Enter the network address. Leading zeroes are not required.

3. IP Mask: This should usually be 255.255.255.0 unless your network can work across multiple subnets.

4. Gateway Address: This should usually be the same domain and subnet address numbers as the IP Address, but with the last octet being .1.

5. DNS-nameserver: A default value is shown for reference only. DNS is not normally required for basic static IP network configurations to work. Your IT administrator will specify a value to work with mixed static/dynamic network setups.

6. Apply: When you have made all of the necessary entries, press Apply to apply the changes.

7. Reset: If you should start to make changes and then change your mind about making them, press Reset to return the settings back to where they were.

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Dashboard

Throughout the Web GUI, pages are a click or two away using the list of selections on the left side. The Dashboard page shows all of the available Preset configurations at a glance. The iAM2-8 allows you to assign Presets to particular groups. In Figure 4-3, two groups, Operator-1 and Operator-2 are shown.

Figure 4–3: Dashboard Preset Overview

To view all of the Presets within a group, click on that group.

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In Figure 4-4, it can be seen that there are five Presets in the Operator-1 group and no Presets in the Operator-2 group. The currently selected active Preset for local operation is shown in red. In Figure 4-4, this is the Preset named SDI-1.

Figure 4–4: Dashboard Preset Recall / Edit

iAM-AUDIO2-8

Favorite / All

Preset Selection

Edit Buttons

Group / Preset

Summary

A Group / Preset Summary is shown in the upper right of the screen. This enables you to see the total number of Groups, Presets and Favorite Presets in the iAM2-8.

Use the button, as shown in Figure 4-4, to toggle between Favorite Presets or All Presets.

Click the Recall button to recall a Preset. To Edit a Preset, click the Edit icon, as shown in Figure 4-4, to the right of the associated Recall button.

After clicking the Preset Edit button, the screen shown in Figure 4-5 will appear. Clicking a Group Edit button will cause the screen in Figure 4-6 to appear.

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iAM2-8

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Figure 4–5: Dashboard Preset Edit

The Edit options for a Preset are:

1. Delete: Remove the Preset from the system. Do Not delete the currently

active Preset.

2. Rename: Rename the Preset, but keep all of its other characteristics.

3. Make Favorite: Make this Preset a favorite. This can be done for frequently used Presets.

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iAM2-8

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Figure 4–6: Dashboard Group Edit

The Edit options for a Group are as follows:

1. Delete: Delete the Group and all of the Presets it contains.

2. Rename: Rename the Group, but keep all of its other characteristics.

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Audio Meters

Click on Audio Meters to remotely display the audio meters of the iAM2-8. This display is shown in Figure 4-7. Also displayed is the name of the source that the meters are displaying. In Figure 4-7, this is SDI/BNC-1.

iAM-AUDIO2-8

Figure 4–7: Audio Meters Display

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iAM2-8

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System Preferences

Click on System Preferences to find the System Audio Clock Reference, Loudness Configuration, Phase Indicator Configuration, and Front panel Configuration tabs. These are as shown in Figures 4-8, 4-9, 4-10, and 4-11.

System Audio Clock Reference

The System Audio Clock Reference setting provides a way to set the global clock source for the unit. This setting will be used whenever a source is selected using the Source Select knob or the Source Select Menu. If the System Audio Clock Reference is set to None, then the currently selected source acts as the Clock Reference. This tab is shown in Figure 4-8.

This System Audio Clock Reference setting can be overridden by the optional System Clock Reference setting in the Preset Management menu when the Preset is chosen.

Figure 4–8: System Audio Clock Reference Tab

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Loudness Configuration Tab

The Loudness Configuration tab allows you to make settings which will determine how Loudness is to be calculated on the Loudness Meter. This tab is shown in Figure 4-9.

Figure 4–9: Loudness Configuration Tab

iAM-AUDIO2-8

The following settings can be made on this tab:

1. Loudness Standard: This is the loudness standard by which the loudness calculation is made.

2. Reference Level: This is the set point in the loudness measurement about which the determination is made as to whether an alarm should be displayed.

3. LRA Window: This is a moving window of time over which the loudness measurement is made.

4. Default Cluster: When a Metering Screen is entered, this is the number of the cluster that will initially be monitored for Loudness.

5. Alarm:

a. Over: The Alarm indication will only appear when Loudness has

exceeded the Reference Level by the Tolerance amount.

b. Under: The Alarm indication will only appear when Loudness is below

the Reference Level by the Tolerance amount.

c. Both: The Alarm indication will only appear when Loudness has

exceeded or is below the Reference Level by the Tolerance amount.

d. Off: The Alarm indication will not appear.

6. Alarm Tolerance: This is the range over which a normal loudness indication is given. Above or below this range will result in color changes in the graph.

7. Loudness Window: This may be set to Momentary, Short, or one of 22 values, ranging from one second to two hours.

8. Monitoring Mode:

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a. Manual: Touch the Manual button to enable Manual Mode. This allows

you to measure the loudness of a specific program or segment of a program, such as a commercial. In this mode, the Start and Stop button on the Loudness Meter screen can be manually used to begin and end a loudness measurement interval. The reading for that interval is then held on the Loudness Meter.

b. Continuous: Touch the Continuous button to enable Continuous

Mode. In this mode, loudness readings are continually made. The Stop button on the Loudness Meter screen is not active.

Note: Further and more detailed descriptions of all of the above Loudness terms may be found in the ITU-R BS.1770-3 loudness standard.

When you have finished making the settings click Apply to save them or click Cancel to discard them.

Phase Indicator Configuration Tab

The Phase Indicator Configuration tab is as shown in Figure 4-10. It allows you to select which channel pairs will receive a phase meter on the Metering Screen. Generally, it is useful to monitor the relative phase of stereo pairs. However, sometimes each channel of a pair is unrelated to each other. This can be because the channels are used to convey two independent monophonic signals or that one channel may be a Center channel and the other may be a Low Frequency Effects channel. In these instances, the Phase Indicator would almost always indicate an out of phase condition. Because this would be a needless distraction to the operator, switches are provided on this tab to individually turn phase monitoring for each channel pair on or off. Select All and Reset All buttons are also provided.

Figure 4–10: Phase Indicator Configuration Tab

iAM-AUDIO2-8

When you have finished making the settings click Apply to save them or click Cancel to discard them.

iAM2-8

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Front Panel Configuration Tab

To prevent accidental or unauthorized changing of critical settings in the local product menus, it is possible to restrict access. The Front Panel Configuration Tab entry screen is shown in Figure 4-11. This provides an entryway to the Front Panel Configuration Tab shown in Figure 4-13. To proceed, you must enter the correct Passcode. If no Passcode has been set, the default Passcode is 0-0-0-0.

Figure 4-11: Front Panel Configuration Tab – Passcode Entry

If an incorrect Passcode is entered, the screen shown in Figure 4-12 appears. Click the Continue button to try again. If you have forgotten the Passcode, this can be remedied by performing a Factory Reset. Unfortunately, this will also erase all of the menu settings. You may also contact Wohler Technical Service for help.

Figure 4-12: Unrecognized Passcode

When you have successfully entered the Passcode, the Passcode Settings screen will appear, as shown in Figure 4-13.

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iAM2-8

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Figure 4-13: Front Panel Configuration Tab

The functions on this screen are as follows:

Enable Restricted Access for Front Panel Configuration: This switch will turn ON or OFF protection or blocking of any local product menus, except for the Passcode Settings menu, which is always Passcode protected.

Passcode: You may enter a new Passcode in this field. The Passcode can be any 4digit number. Be sure to save the Passcode in a safe place for future reference.

Type: Select the type of disabled button appearance on the local product menus using the Type button. The choices are:

Passcode Access: The Passcode protected function buttons include a small orange padlock icon within the buttons. This is shown in the left image of Figure 4-14. These buttons can only be accessed using the correct Passcode.

No Access: If the function buttons are protected by No Access, the buttons are grayed out and non-functional, as shown in the right side of Figure 4-14. These buttons cannot be accessed.

Apply Default: Clicking this button returns the settings in this screen to the factory default values. The Passcode becomes 0-0-0-0.

Reset: Clicking this button undoes any settings you have made on this tab.

Enable / Disable Menu Access: This section provides a nested chart of the local

menus that exist in the product. You may set which menus are affected by restrictions. Click any menu shown to change it between affected (red icon) and unaffected (green icon).

Apply: When you have completed the desired settings in this tab, click Apply to put them into effect.

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iAM2-8

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Figure 4-14: Examples of Local Menu Protection

Passcode Access: No Access:

System Options

Network Settings System Reboot

System Update

Passcode Settings

Factory Reset

Preset Management

Presets are monitoring configurations that can be composed of channels from multiple sources and displayed on the meters in any order. Presets should be set up to allow operators to quickly shift between setups for monitoring. The Preset Management screen contains selections of all of the details for a Preset, and is largely arranged in a matrix format connecting input channels to monitoring channels. The screen is shown in Figure 4-15.

Figure 4–15: Configure Presets

Network Settings System Reboot

System Update

Passcode Settings

Factory Reset

Preset

Management

iAM-AUDIO2-8

Clock

Selection

Autofill

Selection

Preset Input/Output Matrix:

Preset Input Routing

1. Preset Configuration: You may create a new Preset, adjust an existing Preset, or create a new Preset from an existing Preset:

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• To create a new Preset, enter the name for the new Preset in the field to the left of the word Preset. Then make all of the settings needed and save it.

• To make changes to an existing Preset, select it from the pull down list, make the needed changes and save it.

• To create a new Preset starting with an existing Preset, first select the existing Preset from the pull down list. Next, enter the name for the new Preset and save it. Then make the needed changes and save it.

Presets may be created for any licensed inputs, even if the SFP module for an input is not plugged into its respective socket at the time. This makes it easy to swap SFP input modules without having to recreate presets after the insertion or removal of an SFP module. Note that if a licensed SFP module is not detected, such as when one is removed to be swapped, its monitoring inputs will be muted. Likewise, if the required license has not been entered for an SFP module that is inserted, its monitoring inputs will also be muted. Refer to the Licenses section in this chapter to install software licenses.

2. System Clock Reference: There must be a system clock reference for monitoring to take place. Select a reference from the pull down list. The best choice is a stable, always present clock source locked to house sync. Second to that, use the selected input as the clock. Generally speaking, Internal is not the best choice.

3. Speaker Delay: If desired, an audio delay may be inserted ahead of the monitor speakers. This delay may range from 0 to 170 mS. Typically, delay is used to align the monitored audio with a video monitored signal.

4. Input Selection: Audio from any of the input sources may be applied to the monitoring scheme in any way. For example, you may have 6 channels from an SDI stream, along with 2 AES channels, and along with 2 analog channels assigned your choice of meters. A Preset Input/Output Matrix is provided on the lower right side of the screen to allow you to assign each channel. Simply select each input source, one at a time, and then check the boxes in the Matrix to apply each input channel number to a metered channel number. They do not have to be applied in any specific order. The order of assignment should be chosen to make it easy for the operator to understand. If there are more than 8 channels in a source, the desired group of 8 can also be selected from the box in the lower left of the screen.

5. Autofill Selection: If you simply want to map all 8 input channels to all 8 meters in the same order, click the Autofill button. The Preset Input/Output Matrix will automatically fill out. To remove all mapping, click the Reset button that is adjacent to the Autofill button.

6. Cluster Definition and Naming: Channel Clusters are a series of channels that are all associated with monitoring the same signal. For example, a Stereo Cluster consists of two channels that together monitor a stereo signal. A Surround 5.1 Cluster consists of 6 channels that together monitor a 5.1 surround sound signal. Clicking a Cluster Info box opens a Cluster selection box.

In the Cluster box, you can select the type of Cluster from a pull down selection. The available Cluster Type selections are:

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• Mono 1.0: The channel will appear within a single-channel cluster.

• Stereo 2.0: The channels will appear within a two-channel cluster.

• Surround 5.1: The channels will appear within a 6-channel cluster.

• Surround 7.1: The channels will appear within an 8-channel cluster.

• Custom: You may define a 0 to 8 channel cluster.

Multichannel clusters will expand to the right and overwrite any clusters on overlapping meter positions.

By default, all odd numbered channels will map to the left speakers and all even numbered channels will map to the right speakers. You may change this using the crosspoint selections in the Input/Output Matrix.

A default name will be chosen and it will appear on the metering screen. You may name the Cluster anything you want by simply changing the words within the Cluster Name field.

When finished, click Update. To undo your change, click Reset. To undo all of the Cluster changes for the 8 channels, click Reset All.

7. Speaker Assign: Speaker assignments are made automatically when a cluster is set. However, it can be that in an actual signal, the channel assignments may be different than what the automatic assignment assumes. A speaker assignment adjustment is provided for each channel, should you need to override the automatic settings. It is important to accurately assign

the function of each channel so that the Loudness calculations will be accurate. Clicking a Speaker Assign button on a channel opens a box that

lets you change the current setting.

8. Mute/Unmute: A Mute/Unmute control is provided for each channel, although the adjustment will affect all channels in the Cluster. This allows the operator to just see the meters for certain channels and not hear the audio. This is an alternate action control.

9. The Global Phase Indicators tab is as shown in Figure 4-16. It allows you to select which channel pairs will receive a phase meter on the Metering Screen in this Preset. Generally, it is useful to monitor the relative phase of stereo pairs. However, sometimes each channel of a pair is unrelated to each other. This can be because the channels are used to convey two independent monophonic signals or that one channel may be a Center channel and the other may be a Low Frequency Effects channel. In these instances, the Phase Indicator would almost always indicate an out of phase condition. Because this would be a needless distraction to the operator, switches are provided on this tab to individually turn phase monitoring for each channel pair on or off. By default, the settings for a Preset are the same as the system-wide configuration set on the System Preference tab. However, to make unique settings for this Preset, uncheck Apply Global Phase Indicator Settings and then simply click each switch to the desired on or off position. Select All and Reset All buttons are also provided.

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Figure 4–16: Global Phase Indicator Enable / Disable

Global Phase Indicators

iAM-AUDIO2-8

10. The Output Routing tab is shown in Figure 4-17 when the OPT-OUTPUTROUTING capability was not purchased and licensed. This tab shows how signals from the inputs are routed to the outputs. It allows you to view, but not change this default routing.

Figure 4-17: Default Output Routing

However, if the OPT-OUTPUT-ROUTING license is installed, this tab allows you to determine exactly which input channels are routed to which outputs. It then appears as shown in Figure 4-18. This very flexible capability allows you to route signals according to Preset or as a default for the whole system.

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Refer to the Global Output Routing section in this chapter to learn the function of each of the checkboxes and of the matrix in this tab.

To set up a different input to output routing scheme for the Preset you are creating, click the Global Output Routing tab and uncheck the Apply Global Output Routing checkbox. You may then adjust the output routing as you desire on this tab and it will only apply to this Preset.

Figure 4-18: Output Routing Preset Tab

Output Routing

iAM-AUDIO2-8

11. When you have finished creating a Preset or making changes to a Preset, either click the Save button to save the Preset, click the Save & Apply button to save the Preset and make it the current Preset, or click the Reset button to discard the changes just made. These selections are shown in Figure 4-18.

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Dolby Presets

Dolby Presets are useful for customers who want to simultaneously monitor both Dolby decoded channels and other inputs or want to have an auto-zoom to monitor a certain pair that is known to be carrying Dolby encoded audio.

Creating a Dolby Preset is in many ways very similar to creating any other Preset. Refer to the Preset Input Routing section of this chapter. Figure 4-19 shows a Dolby Preset being created.

Group Name

iAM-AUDIO2-8

Preset Name Dolby Source

Figure 4-19: Creating a Dolby Preset

Channel Pair

Dolby Source List

Preset Input/Output Matrix

After clicking Preset Management in the list on the left, and selecting or creating a Group name and Preset name, as shown in Figure 4-19, use the following steps to set up a Dolby Preset:

1. Click the Dolby Input Source, as indicated in Figure 4-19. A list of all of your physical inputs will display. Select the one containing the Dolby signal that you are interested in monitoring.

2. Click the Channel Pair. A list of all of the channel pairs in your selected source appears. Select the one that contains the Dolby signal to be monitored.

3. Using the Preset Input/Output Matrix, select which decoded Dolby channels should appear on which meters. To automatically fill out this matrix, mapping channels 1 - 8 to meters 1 - 8, simply click the Autofill button. Note that by default, channels 9 and 10 are a downmix of the decoded Dolby channels and can be mapped to any of the metering channels.

When you have finished making all of the settings for this Dolby Preset, click Save & Apply.

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Output Routing

The Output Routing licensed feature (OPT-OUTPUT-ROUTING) allows channels to be routed or combined and routed in custom ways to various destination outputs. Output Routing is applied to:

1. Signals monitored using "Input Source select" from the Front Panel,

2. Presets that have been created to apply the Output Routing.

Any change to the routing will affect the Presets that have "Apply Output Routing" selected. For example, multiple channels of a 7.1 channel program can be combined and directed to the left or right internal speakers. Six or eight channels could be directed to the AES outputs, which could feed an external surround sound system. Contact Wohler Sales to purchase the license for the OPT-OUTPUTROUTING feature.

If Output Routing is not licensed, then any of the inputs can be monitored in stereo or mono only through the internal speakers. The headphone jack, the analog XLR outputs, and the first AES output will follow whatever is directed to the speakers.

When licensed, select Global Output Routing under Configuration. This will display the Global Output Routing screen. This screen contains a matrix of checkboxes which are an easy way for you to set up the wide variety of input to output routing and mixing capabilities. The Global Output Routing screen is shown in Figure 4-20.

Global Output

Routing

iAM-AUDIO2-8

Figure 4-20: Global Output Routing Option

Destination

Outputs

Source

Inputs

Output

Options

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Destination Outputs

On the left of the Global Output Routing screen are listed the Destination Outputs. These are the outputs to which any input can be routed. They are as follows:

1. Speaker/Headphone: Selected inputs will be sent to the left and right speakers. The default routing is set as per the Speaker Assignment, left channels are sent to the left speaker and right channels are sent to Right speaker.

2. Analog XLR: Selected inputs will be mixed to the left and right channels and played through the two Analog XLR Outputs.

3. AES/Pair-1: Selected inputs will be mixed to the left and right channels and played through the AES Pair 1 Output.

4. AES/Pair-2: Selected inputs will be mixed to the left and right channels and played through the AES Pair 2 Output.

5. AES/Pair-3: Selected inputs will be mixed to the left and right channels and played through the AES Pair 3 Output.

6. AES/Pair-4: Selected inputs will be mixed to the left and right channels and played through the AES Pair 4 Output. The four AES outputs can be used together to output, for example, 5.1 or 7.1 surround channels to an external surround sound monitor system.

7. AoIP/Pair-9 (DANTE / RAVENNA): Selected inputs will be mixed to AoIP transmit channels 17 and 18. Note that configuration for channels 1 - 16 is not supported. Use a Dante Controller or Anneman/Zman web interface to route these channels appropriately.

8. AoIP/Pair-10 (DANTE / RAVENNA): Selected inputs will be mixed to Channel 19 and Channel 20. Use a Dante Controller or Anneman/Zman web interface to route the remaining pairs appropriately.

Source Inputs

The source inputs which may be routed are described in this section.

1. Cluster Information: Cluster information show type of cluster and cluster name.

2. Speaker Assignment: Speaker assignment can be used to configure to which speakers the audio is routed to. The possible options are:

L Left

R Right

C Center

LFE Low Frequency Effects

Ls Left Surround

Rs Right Surround

Bsl Back Surround Left

Bsr Back Surround Right

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S Mono Surround

3. Input/Output Matrix: By checking the various boxes in this matrix, any input channels can be freely routed to any output channels. This flexible channel assignment is called a Free Mix. However, when the Speaker Mix box is checked in the Output Options section, the associated row within the matrix is automatically set to the speaker mix and the checkboxes are grayed out indicating that you may not change them with a Free Mix assignment.

Output Options

The optional settings in this section allow for customization.

1. Speaker Mix: This option selects whether an output has the Speaker Mix or a Free Mix as set in the Routing Input section. The Speaker/Headphone output is always in the Speaker Mix.

2. Solo/Mute: This setting determines whether or not the outputs are affected by solos and mutes. The Speaker/Headphone output is always affected by solos and mutes. Note also, that all outputs in Speaker Mix mode also are affected by solos and mutes.

3. Mute on Headphone Insertion: This option controls whether the outputs should be muted upon a headphone insertion. This setting can be adjusted even for outputs whether they are in Speaker Mix or Free Mix modes.

4. Volume Control: This setting determines whether each output pair is adjusted by the Volume Control knob. Speaker/Headphone outputs are always affected by the volume control knob, as are any outputs that are in

Speaker Mix mode.

Typical Questions Regarding Output Routing

The questions and thoughts in this section are commonly asked by people when setting up the licensed Output Routing capability.

What signal outputs can be controlled using the Output Routing feature?

All the outputs on the iAM2-8 can be controlled using the Output Routing feature. This includes – Internal Speakers, Analog XLR outputs, all 4 pairs of AES outputs on HD-15, and AoIP Pair 9 and Pair 10.

How do the outputs behave if I do not purchase OPT-OUTPUTROUTING license?

If Output routing license is not purchased, the outputs are configured as follows:

1. Speakers: All monitored channels are always available on the internal speakers. The left and right speaker assignment is determined by the Speaker Assignment. Audio on the speakers is controlled by the Volume

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and Balance knobs and is muted whenever a headphone is inserted into the Headphone jack.

2. Analog XLRs: These outputs follow the same configuration as the internal speakers. They are controlled by the Volume and Balance knobs and are muted whenever a headphone is inserted into the Headphone jack. These outputs also follow the solo/mute selections on the Audio Meter screen.

3. AES Pairs 1 through 4: The first 8 channels appear on these outputs in numeric order. They are pre-fade, so they are unaffected by the Volume and Balance knobs or headphone insertion. They are also unaffected by the solo/mute selections on the Audio Meter screen.

4. AoIP Pairs 9 and 10: These outputs follow the same configuration as the internal speakers. They are controlled by the Volume and Balance knobs and are muted whenever a headphone is inserted into the Headphone jack. These outputs also follow the solo/mute selections on the Audio Meter screen.

What is the difference between Global Output Routing and Output Routing in Presets?

Both are used to configure the unit outputs. Global Output Routing is applied by default when you select a source or when creating presets and when you don’t change the Output Routing unique to any Preset. Changes to either of these are disabled if the OPT-OUTPUT-ROUTING license is not purchased.

How do I route whatever is being monitored to the XLR and AES outputs?

Using Global Output Routing (optional licensing upgrade), you may route any signals to the XLR & AES outputs. You may route signals to the XLR outputs using the Analog/XLR checkboxes and route signals to the AES outputs by using the AES/Pair 1 to Pair 4 checkboxes.

As shown in the above example, signals appearing on Audio Meter channels 1 through 4 are routed to AES Pair 1 and signals from Audio Meter channels 3 to 8 are routed to the Analog XLR outputs.

How do I have a downmixed pre-fade output on AES Pair-1 combined with a post-fade output on the Analog XLRs?

To downmix a pre-fade output on AES Pair-1, uncheck the Volume Control checkbox for that AES pair. For a Post-fade output on the Analog XLRs, check

Volume Control checkbox.

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How do I make the XLR outputs follow the Audio Meter screen solos & mutes while the AES Pair-1 does not?

Make the settings shown in the Solo / Mute column:

The setting shown above determines that outputs will follow the Audio Meter screen solos & mutes for the XLR outputs because the checkbox is checked. It is not checked for the AES outputs, so they will not be affected by the solo & mute choices. This feature requires the optional OPT-OUTPUT-ROUTING output routing license.

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How do I route only specific monitored channels to the Analog XLR outputs?

When the optional OPT-OUTPUT-ROUTING license is purchased, you may route specific channels as shown below. Here Audio Meter channels 1, 3, 5, and 7 are routed to the left analog XLR output and Audio Meter channels 2, 4, 6, and 8 are routed to the right analog XLR output. Unchecked channels are not routed. Make sure the Speaker Mix selection is turned off to enable this selection.

Use the Global Output Routing settings to determine how the outputs are configured for source select options.

The Global Output Routing feature allows channels to be routed or combined and routed to various destinations. For example, channels 1 to 8 can be routed to AES outputs:

How do I keep the internal speakers muted and have audio only on the analog XLR outputs?

When the optional OPT-OUTPUT-ROUTING license is purchased, in the Global Output Routing configuration, do not select any Speaker Headphone checkboxes for any meter channels as shown below, and then select the desired meters for Analog XLR. In this way, the internal speakers will always be muted, but

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the audio will appear on the Analog XLR outputs (for amplified external speakers). Make sure that the Speaker Mix checkbox selection is unchecked for Analog/XLR.

How do I ensure that the outputs are automatically muted when the Headphone jack is inserted?

When the optional OPT-OUTPUT-ROUTING license is purchased, in the Global Output Routing configuration, if the Mute on Headphone Insertion checkbox is ON then the outputs get automatically muted when a headphone is inserted into the Headphone jack.

As shown below, if a headphone is inserted then the output on the Analog XLRs will be muted, while the audio on AES Pair 1 will remain on.

What are AoIP-Pair 9 and AoIP Pair 10?

AoIP-Pair 9: Selected inputs will be mixed to AoIP transmit channels 17 and 18. Note that configuration for channels 1 - 8 is not supported. Use a Dante Controller or Zman web interface to route these channels appropriately.

AoIP-Pair 10: Selected inputs will be mixed to Channel 19 and Channel 20. Again, use a Dante Controller or Zman web interface to route the remaining pairs appropriately.

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In the Output Routing setting, for the Analog XLR outputs, keep the Volume Control checkbox unchecked and the Solo/Mute checkbox checked. This ensures that the Volume Control is not applied to the outputs, while the Solos/Mutes are.

Preset Replication

Preset Replication allows you to copy presets from a master unit to multiple iAM2-8 units. This can save a lot of setup time if multiple units all need basically the same setup.

To start Preset Replication, click on the Preset Replication tab on the master unit. This will start the unit discovery process and will list all the iAM2-8 units that you currently have on your network. The discovery process will continue for a period of 2 minutes. However, you may stop the discovery process sooner if you believe all the units in the network have been discovered. Simply click the Stop Scan button.

Figure 4-21: Preset Replication Scanning Screen

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Once all the units are discovered you may either copy the presets that are currently created on the Master unit or can use an external preset file that you want to copy to any or all of the Target units. Note that any and all of the Presets that may

already be contained in each Target unit will be erased by copying the new Presets.

Figure 4-22: Preset Replication Target Selection Screen

iAM-AUDIO2-8

iVAM

iAM-AUDIO2-8 iAM-AUDIO2-8

iAM-AUDIO2-8

iVAM

iAM-AUDIO2-8

Click either From Master Unit or Select Preset File. This determines the source of the Presets to be copied. Preset Files would be files that you have previously stored in the computer running the Web GUI.

You may add a descriptive name or version to the Presets being copied. This may aid in remembering what tag or version of the presets are available on the unit. The Preset name or version may be up to 10 characters in length.

Next, select the Target units from the list of units shown by checking or unchecking each of the Target boxes at the left. Alternatively, you may click Select All to select all of the units. Then select the Replicate Presets to Selected Devices button. The progress of the Preset replication for each unit, as the Presets are being copied, will be displayed in the Process column. When all of the Presets have been copied to each of the selected units, you may leave this screen.

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Import/Export Presets

Use the Import / Export Presets page to manage the Preset database in the iAM2-8. You may export the Preset database onto the computer hard drive for security backup purposes or as a means to transfer it to another iAM2-8. Likewise, it can be used to import a Preset database from the computer hard drive into the iAM2-8. In this way, a Preset configuration may be only devised once and then duplicated into all of the iAM2-8 units in a system, saving significant effort.

The iAM2-8 will create Preset Tags for the each set of Presets. Refer to Figure 4-

23. You may also change these Preset Tags, using the Preset Change Field. They allow you to quickly resolve questions about which Presets on various units are the most up to date. They will also allow you to determine whether Presets have been modified. If the Preset Tag displayed contains the suffix "-dirty" then at least one Preset has been changed in some way.

While exporting the file, the Preset Tag is appended to the filename, this allows you to store multiple Preset files with different file name. For example, if the Preset Tag is v1.0.0 then for iAM2-8 the default filename would be "wohler_presets_iAM2-8v1.0.0.pdb" Do not change the file suffix and prefix (marked in red). However, you may change the Preset Tag to any number or text to suit your requirements.

Figure 4–23: Database Export

Export Configuration

Use the following steps to save the Preset configuration in the iAM2-8 to the computer hard drive:

1. If you need to, revise the Preset Tag name, observing the advice in the advice in the previous section.

2. Click the Export button on the Import / Export Presets page, as shown in Figure 4-24.

3. A small Verify window will appear:

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4. Click Yes to proceed with writing the Preset data to the hard drive. The copying will proceed. After the Preset data has been written, the screen in Figure 4-24 will appear, explaining what has been exported in an Export Presets Summary. It will also note whether there were any errors in the process. If there were any errors, repeat these steps to try again.

Figure 4–24: Database Export

Import Configuration

Use the following steps to copy the Preset configuration into the iAM2-8:

1. Click the Browse button as shown in Figure 4-24 and select the Preset Tag you would like to import.

2. If you want to allow existing Presets to be overwritten with imported Presets of the same name, check the Overwrite an existing Preset box. It is a good idea to do this.

3. Click the Import button. The copying will proceed. When complete, the screen in Figure 4-25 will appear, explaining what has been imported in an Import Presets Summary. It will also note whether there were any errors in the process. If there were any errors, repeat these steps to try again.

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Figure 4–25: Database Import

iVAM1-3

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System

Click on System to find three tabs, each containing important information about the iAM2-8. These tabs are explained in the following three sections.

System Information

This tab displays a variety of information about the iAM2-8. It is shown in Figure 4-

26. This information could be useful to view if you are contacting Wohler Technical Service.

Figure 4–26: System Information Tab

System

System Information

iAM-AUDIO2-8

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SFP Information

This tab displays a variety of information about the module inserted into the SFP slot on the rear panel of the iAM2-8. It is shown in Figure 4-27. This information could be useful to view if you need to ascertain what module, if any, is installed, or if you are contacting Wohler Technical Service.

Figure 4-27: SFP Information Tab

System SFP Information

iAM-AUDIO2-8

Note: SFP Information, as shown in lower half of Figure 4-27, can be used to retrieve the 2110 or 2022 SFP Module network configurations. This is useful if the customer forgets the IP address assigned to these SFP modules.

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Licenses

This tab displays the license number for each of the modules or features in the iAM2-8. It is shown in Figure 4-28. You will use this tab to enter any new license numbers that you purchase. Contact Wohler Sales to obtain new license numbers. If you need help, Wohler Technical Service will be happy to assist you in installing these numbers.

Figure 4-28: Licenses Tab

System Licenses

iAM-AUDIO2-8

The example above shows an iAM2-8 with license keys for inputs and license keys for SFP modules installed.

To enter the license key provided to you by Wohler Customer Service, use the following steps:

1. Click the field to the right of the input or module desired.

2. Enter the license key in the box.

3. Repeat Steps 1 and 2 for any other license keys that you want to enter.

4. Click the Refresh button to save the information. Each new license will be immediately available for use.

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Factory Reset

The Factory Reset function should be used with caution. It deletes all of the settings you have programmed into the system. It returns the system to the way it was when received new from the factory. After using this function, you will need to reprogram everything from the start.

iAM-AUDIO2-8

Figure 4–29: Factory Reset

If you have any doubt as to whether you should perform a Factory Reset, do not click the Initiate Factory Reset button. Contact Wohler Technical Service for advice.

Note: Factory Reset will also reset your IP address to the default one. After a

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Reboot System

The Reboot System page allows you to reboot an iAM2-8 remotely. The Reboot System page is shown in Figure 4-30. This function is normally only used upon

request from Wohler Technical Service to troubleshoot or correct an issue.

The Reboot System function should be used with a bit of caution. It puts the iAM2-8 out of service for several minutes while it is rebooting, and this may unexpectedly interfere with the use of the product by the remote operator.

iAM-AUDIO2-8

Figure 4–30: Reboot System

If you have any doubt as to whether you should reboot the remote iAM2-8, do not click the Reboot System button. Contact Wohler Technical Service for advice.

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APPENDIX A: Software Upgrades

Introduction

This chapter describes how to download a software update file to your computer, transfer it to a USB flash drive and install the updated into an iAM2-8.

Download the Software

The iAM2-8 software update can be found at http://www.wohler.com, under Product Downloads on the Products > iAM2-8 page, in Support > Downloads > Drivers & Software, or contact Wohler Customer Support for more information.

Unzip the downloaded update files to reveal two files. One will have a suffix of .wx and the other will have a suffix of .md5sum. Both files are needed for the upgrade.

Update Methods

There are several software update methods. Select one of them, depending upon your needs:

1. Local update from the front panel of the iAM2-8: This straightforward method does not require the use of the Web GUI. A flash drive containing the update is plugged into the front panel USB socket and the update is then accomplished using the self-contained menu system. If this method seems most suitable, then refer to the Local Update from the Front Panel section of this chapter.

2. Remote update using the Web GUI with a flash drive connected to the iAM28: It may be more convenient to update the product using a flash drive plugged into its front panel USB socket, but controlled remotely via the Web GUI. To update the product this way, refer to the Updating via the Web GUI section of this chapter.

3. Remote update without a flash drive: This method allows you to update a networked iAM2-8 remotely without plugging a flash drive into its front panel USB socket. To update the product this way, refer to the Updating an iAM2-8

Remotely section of this chapter.

4. Update multiple units remotely at once: This method allows you to update multiple networked iAM2-8 units at once, without plugging flash drives into their front panel USB sockets. To update products this way, refer to the

Updating Multiple iAM2-8 Units Remotely section of this chapter.

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Local Update from the Front Panel

Use the following steps to update the iAM2-8 software:

1. Copy the unzipped Wohler Update Package file(s) from your computer to the root directory (not inside of a folder) of a USB flash drive. It must be FAT32 file type, and does not need to be empty. Refer to the Download the

Software section of this chapter for the specifics of download and file transfer

to the USB flash drive.

2. Insert the USB flash drive with iAM2-8 update package(s) into the front panel USB jack.

3. From the Menu screen, touch System Options. The screen shown in Figure A-1 will appear.

Figure A-1 - System Options Screen

System Options

Network Settings System Reboot

System Update

Factory Reset

Passcode Settings

4. In the System Options menu, touch System Update. The Software Upgrade screen will appear, as shown in Figure A-2.

Figure A-2 - Software Upgrade Screen

System Update

Refresh

Back

Software Version 1.1.3

WOHLER iAM-AUDIO2-8 1.1.3

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5. The new software version that is in the flash drive will be shown in the Software Version screen. To cancel the upgrade at this point for any reason, touch Back. To proceed, touch the software version entry in the Software Version screen. A screen will appear, as shown in Figure A-3.

Figure A-3 - Upgrade Verify

Software Upgrade

Are you sure?

Do you want to Update your System to

Software Version 3.4-39

1.1.3?

Wohler iAM-AUDIO 3.4-56

Yes No

Back

6. To proceed, touch Yes. To back out, touch No. After you touch Yes, the screens will change, as shown in Figure A-4. The message on this screen will change as the upgrade progresses. The left screen will display, "Software Upgrade in Progress" until the upgrade is complete.

Figure A-4 - Upgrading System

System Update

Refresh

Software Version 1.1.3

Upgrading System.

Installing Package

Back

7. After the software update starts, the text on the left screen will change periodically to indicate the progression of the upgrade. The upgrade will take 5 minutes or more, after which the iAM2-8 will restart. After the system has completed its restart cycle and is once again operational, you may then remove the flash drive.

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Important:

d crash the

Do not interrupt or remove power to the iAM2-8, or remove the USB drive during the installation process. Doing so coul

iAM2-8 software.

Updating via the Web GUI using a Flash Drive

Use the following steps to update the iAM2-8 software:

Software section of this chapter for the specifics of download and file transfer

to the USB flash drive.

2. Connect to the iAM2-8 with the Wohler Web GUI. Navigate to the System | System Update menu, as shown in Figure A-5. If the iAM2-8 has recently been powered and it contains the Dolby Decoder option, then a message may appear asking you to wait for a number of seconds so that the decoder will be operational.

Figure A-5 – System Update Menu

3. Click on the Refresh button.

4. Available software update(s) are shown as in Figure A-6. Click the one you want, followed by clicking the System Update button.

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Figure A-6 – Available Software Updates

5. After clicking the System Update button, a verification screen displays as shown in Figure A-7. If you agree that the correct update version has been selected, click the Yes button.

Figure A-7 – System Update Verification

6. Next, the update begins, showing the screen in Figure A-8. The circle in the center of the screen, along with status messages below it, will indicate the progress of the update.

Figure A-8 – Software Upgrade in Progress

7. At this point, wait for the update to complete. It may take several minutes, but it is critical not to disturb the iAM2-8 or the Web GUI until the

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update process is complete. When it is complete, the iAM2-8 will restart.

Updating an iAM2-8 Remotely

Use the following steps to update the iAM2-8 software:

1. The Software Update files you downloaded earlier must be in the same computer that is running the Web GUI. Connect to the iAM2-8 with the Wohler Web GUI. Navigate to the System | System Update menu. Click within the large blue dotted line rectangle at the right of the screen. A file selection window will open, as shown in Figure A-9.

Figure A-9 – System Update Menu

2. Click the two update files. One will have a suffix of .wx and the other will have a suffix of .md5sum. If you make a mistake and click the wrong file(s), click the Cancel Upload button and try again. When the files have uploaded, the System Update button will be enabled. Click it. If there is a problem with the files as this point one of the screens shown in Figures A-10 or A-11 will appear. In that case follow the directions on the screen to retry. If there are no problems, the update will proceed and the screen shown in Figure A-8 will appear.

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Figure A-10 – Invalid System File Version

Figure A-11 – Invalid Checksum

iAM-AUDIO2-8

iAM2-8

3. At this point, wait for the update to complete. It may take several minutes, but it is critical not to disturb the iAM2-8 or the Web GUI until the update process is complete. When it is complete, the iAM2-8 will restart.

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Updating Multiple Units Remotely

Use the following steps to update one or more iAM2-8 units remotely by transferring the software from a previously updated iAM2-8:

1. If any of the iAM2-8 units that you intend to update remotely may be in use, contact the people using them and let them know what you will be doing. The iAM2-8 units being updated will be temporarily out of service.

2. Use the Wohler Web GUI to connect to an iAM2-8 already containing the latest update. This will be referred to as the Master Unit. Navigate to the System | System Update | Remote System Update menu. The screen shown in Figure A-12 will appear and the Web GUI will scan the network for any active iAM2-8 units.

Figure A-12 – Scanning for iAM2-8 Units

iAM2-8

Note: The scanning process will take 2 minutes. Progress is shown on the

screen. If for some reason you would like to stop the scan prematurely, click the

Stop Scan button.

Important: Do not run the scanning or updating process from more than one Master Unit at a time, to avoid problems. Although you may be updating

multiple units at the same time, never attempt this process from more than one Master Unit.

3. When the scanning is complete, a list of found iAM2-8 units will be shown as in Figure A-13. Click either Select All or click only the Target units that you want to update.

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Figure A-13 – List of Found iAM2-8 Units

4. Then click Update Selected Devices. The window shown in Figure A-14 will appear.

Figure A-14 – Apply System Package

5. Click Apply System Update. The screen shown in Figure A-15 will appear. This screen contains a table showing the update progress of each of the iAM2-8 units being updated.

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Figure A-15 – System Update Progress

iAM-AUDIO2-8

iAM-AUDIO-2 PLUS iAM-AUDIO2-8

Wohler iAM-AUDIO2-8 version 1.6.52 will be applied.

iAM-AUDIO2-8

6. At this point, wait for each update to complete. It may take several minutes, but it is critical not to disturb any of the iAM2-8 units or the Web GUI until the update process is complete. When it is complete, each iAM2-8 will restart.

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APPENDIX B: Dante Network Setup

Introduction

Installing the iAM2-8 into an existing and functioning Dante network is virtually plug and play. The iAM rear panel AoIP jack supports 1Gb/s and 100Mb/s Ethernet devices in Dante Audio over IP network configurations.

The AoIP option on the iAM2-8 supports Hitless and has 2 RJ-45 interfaces, a primary interface and a secondary interface.

Additionally, an SFP slot is provided to receive the AoIP signal using network fiber SFPs. These are 1G SFP slots. The SFP slot always acts as a primary interface.

On iAM2-8, the AoIP source can be selected through the Source Select option.

The iAM2-8 is set up at the Wohler factory to be used as a slave rather than a master within the Dante network. Other devices or software, such as a Dante Controller, are expected to be responsible for most device configurations and all audio routing.

Please refer to the Dante Controller User Guide or other control device documentation for specific network and device setup information. The next section provides a guide to configuring the card and AOiP port.

What is in the iAM2-8 for Dante?

The Dante AOIP option consists of an Audinate Brooklyn II card directly connected to the AOIP port. This port is dedicated to the card and should not be confused with the Wohler unit Management port. These two ports must be on two different subnets, one for the AOIP network and the other for access to the Wohler Web GUI for management of the Wohler unit itself. Either one can be configured to have static or DHCP addresses. The Wohler Web GUI indicates the presence of the Dante card and the AOIP license but does not provide access to the various configuration parameters internal to the card. The speed of the AOIP port is 1G default or 100Mbps.

The Audinate® Brooklyn II card has a simple process to set its initial IP address. The initial factory setting for the card’s AOIP port is DHCP. When connected to a DHCP based Dante network and the unit powered on, the Dante card sets the DHCP server provided address as its default address.

Therefore, if the Dante network has a DHCP server, the unit can be inserted into the network and can be configured further using the Audinate application, Dante Controller, running on a host on the same DHCP based subnet.

If the Dante network is static based or if DHCP fails, the card sets a static Link Local arbitrary address in the format 169.254.x.y, where x and y are each in the range 0 to 255. The mask is set to 255.255.0.0 to provide a ~65000 entry address space.

The Dante Controller host must also have a Link Local address to communicate with the card over the unit’s AOIP port. Connect the AOIP port directly to a host (e.g. laptop) running the Dante Controller, where the host address is preconfigured to an

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arbitrary Link Local address (169.254.x.y, mask 255.255.0.0). The connection can be direct cable or through a switch. The Dante Controller Device Info tab shows the card’s default static address, speed, etc. By double clicking its entry line, additional settable parameters on the card can be reconfigured to be compatible with the Dante network addressing and other parameters as necessary. When the unit is rebooted on the Dante network, the card will be seen by the Dante Controller used to manage the overall network.

If the Dante Controller Device Info tab detects the card but does not allow modification and full presentation of card internals, the Card ID will be shown in red, e.g. Wohler-xxxxxx where xxxxxx is the last 6 hex digits of the card MAC address as shown in B-1. This usually indicates that the IP address of the card is not in the same subnet as the Dante Controller host. By double clicking the ID, a Device View screen will appear as also shown in Figure B-1 with further details about the two incompatible addresses. Change the address of the host or move the unit to another host with an address compatible with the Dante card.

Figure B-1 – Dante Controller Device Info Tab

Card ID Device View

Up to 8 of the 64 AoIP receive channels can be monitored at once in the iAM2-8. The iAM2-8 transmits up to 20 channels. 1 to 8 are the monitored channel in prefade mode. The remaining four are reserved for future use. Currently they are mapped to channels being monitored on meter 1 to 4 in post-fade mode. The eight iAM2-8 monitored channels are transmitted to the Dante network.

The iAM2-8 DanteTM AoIP is configured by the iAM2-8 to receive up to 64 channels and transmit 8 channels of Dante AoIP at 48 kHz or 44.1 kHz audio sample rates. 48 kHz is the iAM default rate.

Sample rate selection is left up to the DanteTM Controller device or software. All devices connected to each other through a Dante network must be set to the same sample rate. Slight ticking may be heard in the iAM2-8 monitor when monitoring

different input types at different sample rates or if sources are asynchronous.

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DanteTM Device Setup

The iAM2-8’s default Dante Device Name is “Wohler- …” followed by the last 6 digits of the Dante port MAC address, as shown in Figure B-2. This name can be changed by the Dante Controller to appear that way on the network, but that will not change the iAM2-8 unit name appearing on GUI pages and iAM2-8 Remote Metering or Discovery pages.

Figure B–2: iAM2-8 Name

During initial setup, you may want to manually change the iAM unit Name in the

System Setup page to match the reassigned Dante Device Name for consistency.

Refer to Figure B-3.

Figure B–3: Rename iAM

Change the iAM

AoIP Name

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iAM2-8