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Kramer Electronics, Ltd.
USER MANUAL
Model:
VS-161HDMI
16x1 HDMI Switcher
Page 2
Contents
i
Contents
1
Introduction 1
2
Getting Started 1
2.1
Quick Start 1
3
Overview 3
3.1
Defining EDID 3
3.2
About HDMI 4
3.3
Recommendations for Best Performance 5
3.4
Terminology Used in this User Manual 5
4
Your VS-161HDMI 16x1 Switcher 5
5
Installing the VS-161HDMI on a Rack 8
6
Connecting a VS-161HDMI 16x1 HDMI Switcher 9
7
Operating the VS-161HDMI 11
7.1
The PC and DVD Modes 11
7.2
Acquiring the EDID 12
7.3
Controlling via RS-232 (for example, using a PC) 13
7.4
Controlling the VS-161HDMI via the ETHERNET Port 14
7.4.1 Connecting the ETHERNET Port directly to a PC (Crossover Cable) 14
7.4.2 Connecting the ETHERNET Port via a Network Hub (Straight-Through Cable) 16
7.5
Configuring the Ethernet Port 16
7.5.1 Setting a Virtual Port 18
7.5.2 Setting an Ethernet Connection 19
8
Technical Specifications 20
9
Kramer Protocol 2000 21
Figures
Figure 1: VS-161HDMI 16x1 HDMI Switcher 6
Figure 2: Connecting a VS-161HDMI 16x1 HDMI Switcher 10
Figure 3: Connecting a PC without using a Null-modem Adapter 13
Figure 4: RJ-45 PINOUT 14
Figure 5: Local Area Connection Properties Window 15
Figure 6: Internet Protocol (TCP/IP) Properties Window 15
Figure 7: The Ethernet Configuration Manager Window 17
Figure 8: The Virtual Serial Port Manager Window 18
Figure 9: The Virtual Serial Port Properties Window 18
Figure 10: The Virtual Serial Port Properties Window (COM 3 and COM 4) 19
Figure 11: The Port Window – Selecting a Virtual Serial Port 19
Figure 12: The Port Window – Selecting a Remote Connection 19
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Contents
KRAMER: SIMPLE CREATIVE TECHNOLOGY
ii
Tables
Table 1: Terminology Used in this User Manual 5
Table 2: VS-161HDMI 16x1 HDMI Switcher Front Panel Features 7
Table 3: VS-161HDMI 16x1 HDMI Switcher Rear Panel Features 7
Table 4: DVD Mode and PC Mode Characteristics 12
Table 5: Crossover Cable RJ-45 PINOUT 14
Table 6: Straight-through Cable RJ-45 PINOUT 16
Table 7: Ethernet Configuration Manager Window Functionality 17
Table 8: Technical Specifications of the VS-161HDMI 20
Table 9: Protocol Definitions 21
Table 10: Instruction Codes for Protocol 2000 22
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Introduction
1
1 Introduction
Welcome to Kramer Electronics (since 1981): a world of unique, creative and
affordable solutions to the infinite range of problems that confront the video,
audio and presentation professional on a daily basis. In recent years, we have
redesigned and upgraded most of our line, making the best even better! Our
500-plus different models now appear in 8 Groups1, which are clearly defined
by function.
Congratulations on purchasing your Kramer VS-161HDMI 16x1 HDMI
Switcher.
The VS-161HDMI is ideal for conference room presentations and advertising
applications, as well as for rental and staging.
Each package includes the following items:
VS-161HDMI 16x1 HDMI Switcher
Power cord and Null-modem adapter
Windows®-based Kramer control software2
Windows®-based Ethernet Configuration Manager and Virtual Serial Port
Manager
Kramer RC-IR1 Infra-Red Remote Control Transmitter3 (including the
required batteries and a separate user manual4)
This user manual4
2 Getting Started
We recommend that you:
Unpack the equipment carefully and save the original box and packaging
materials for possible future shipment
Review the contents of this user manual
Use Kramer high performance high resolution cables5
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.
1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3:
Video, Audio, VGA/XGA Processors; GROUP 4: Interfaces and Sync Processors; GROUP 5: Twisted Pair Interfaces;
GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors
2 Downloadable from our Web site at http://www.kramerelectronics.com
3 Previously known as the IR-1 / IR-1-01
4 Download up-to-date Kramer user manuals from our Web site at http://www.kramerelectronics.com
5 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com
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Getting Started
KRAMER: SIMPLE CREATIVE TECHNOLOGY
2
DVD Mode
To input
Acquired EDID
To input
PC Mode
Output
connected
Default EDID
Output not
connected
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Overview
3
3 Overview
The VS-161HDMI is a high quality 16x1 switcher for HDMI signals.
In particular, the VS-161HDMI:
Supports up to 1.65Gbps bandwidth per graphic channel1
Has sixteen input selector buttons
Supports HDCP (High Definition Digital Content Protection)
Includes a MUTE button to disconnect the output and a PANEL LOCK
button to prevent unwanted tampering with the buttons on the front panel
Fits in one vertical space of a standard 19” professional rack enclosure
Control the VS-161HDMI using the front panel buttons, or remotely via:
RS-232 serial commands transmitted by a touch screen system, PC, or
other serial controller
The Kramer infra-red remote control transmitter
The ETHERNET
3.1 Defining EDID
The Extended Display Identification Data (EDID2) is a data-structure,
provided by a display, to describe its capabilities to an HDMI source. The
EDID enables the VS-161HDMI to “know” what kind of monitor is
connected to the output. The EDID includes the manufacturer’s name, the
product type, the timing data supported by the display, the display size,
luminance data and (for digital displays only) the pixel mapping data.
1 Suitable for resolutions up to UXGA at 60Hz, and for all HD resolutions
2 Defined by a standard published by the Video Electronics Standards Association (VESA)
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Overview
KRAMER: SIMPLE CREATIVE TECHNOLOGY
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3.2 About HDMI
High-Definition Multimedia Interface (HDMI) is an uncompressed all-digital1
audio/video interface, widely supported in the entertainment and home cinema
industry. It delivers the highest high-definition image and sound quality. Note that
Kramer Electronics Limited is an HDMI Adopter2 and an HDCP Licensee3.
In particular, HDMI:
Provides a simple4 interface between any audio/video source, such as a
set-top box, DVD player, or A/V receiver and video monitor, such as a
digital flat LCD / plasma television (DTV), over a single lengthy5 cable
Supports standard, enhanced, high-definition video, and multi-channel
digital audio6 on a single cable
Transmits all ATSC HDTV standards and supports 8-channel digital
audio, with bandwidth to spare to accommodate future enhancements and
requirements
Benefits consumers by providing superior, uncompressed digital video
quality via a single cable7, and user-friendly connector
Is backward-compatible with DVI (Digital Visual Interface)
Supports two-way communication between the video source (such as a
DVD player) and the digital television, enabling new functionality such as
automatic configuration and one-button play
HDMI has the capacity to support existing high-definition video formats
(720p, 1080i, and 1080p/60), standard definition formats such as NTSC or
PAL, as well as 480p and 576p.
1 Ensuring an all-digital rendering of video without the losses associated with analog interfaces and their unnecessary digitalto-analog conversions
2 See http://www.hdmi.org/about/adopters_founders.asp
3 See http://www.digital-cp.com/list/
4 With video and multi-channel audio combined into a single cable, the cost, complexity, and confusion of multiple cables
currently used in A/V systems is reduced
5 HDMI technology has been designed to use standard copper cable construction at up to 15m
6 HDMI supports multiple audio formats, from standard stereo to multi-channel surround-sound. HDMI has the capacity to
support Dolby 5.1 audio and high-resolution audio formats
7 HDMI provides the quality and functionality of a digital interface while also supporting uncompressed video formats in a
simple, cost-effective manner
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Your VS-161HDMI 16x1 Switcher
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3.3 Recommendations for Best Performance
To achieve the best performance:
Connect only good quality connection cables, thus avoiding interference,
deterioration in signal quality due to poor matching, and elevated noise
levels (often associated with low quality cables)
Avoid interference from neighboring electrical appliances and position
your VS-161HDMI away from moisture, excessive sunlight and dust
3.4 Terminology Used in this User Manual
Table 1 defines some terms that are used in this user manual.
Table 1: Terminology Used in this User Manual
Term Definition
802.3 The standard specification for ETHERNET that is maintained by the Institute of Electrical
and Electronics Engineers (IEEE).
Dynamic Host
Configuration
Protocol (DHCP)
Allows the network administrator to distribute IP addresses from a central point and
automatically send a new IP address when an Ethernet point is plugged into a different
network location
Gateway A network position serving as an entry to another network. On the Internet, a node or
stopping point can be either a gateway node or a host (end-point) node.
IP Address A 32-binary digit number that identifies each sender or receiver (within a network via a
particular server or workstation) of data (HTML pages or e-mails) that is sent in packets
across the Internet. Every device connected to an IP network must have a unique IP
address. This address is used to reference the specific unit.
Local Area Network
(LAN)
Computers sharing a common communications line or wireless link, which often share a
server within a defined geographic area.
Media Access
Control (MAC)
Address
A computer's unique hardware number (or address) in a LAN or other network. On an
Ethernet LAN, the (MAC) address is identical to the Ethernet address.
Transmission
Control
Protocol/Internet
Protocol (TCP/IP)
The basic communication language or protocol of the Internet that breaks the message
into appropriately sized packets for the network, and can be used as a communications
protocol in an intranet or an extranet.
4 Your VS-161HDMI 16x1 Switcher
Figure 1 illustrates the front and rear panels of the VS-161HDMI. Table 2
and Table 3 define the front and rear panels of the VS-161HDMI,
respectively.
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Your VS-161HDMI 16x1 Switcher
KRAMER: SIMPLE CREATIVE TECH NOLOGY
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Figure 1: VS-161HDMI 16x1 HDMI Switcher
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Your VS-161HDMI 16x1 Switcher
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Table 2: VS-161HDMI 16x1 HDMI Switcher Front Panel Features
# Feature Function
1 IR Receiver The red LED lights when receiving signals from the
Infra-red remote control transmitter
2 POWER Switch Illuminated switch for turning the unit ON or OFF
3 MUTE Button Press to toggle disconnecting the output
4 INPUT SELECTOR Buttons Press the INPUT button to select input (from 1 to 16)
5 PANEL LOCK Button Press to toggle disengaging the front panel buttons, to
acquire the EDID and to set to the PC/DVD mode
Table 3: VS-161HDMI 16x1 HDMI Switcher Rear Panel Features
# Feature Function
6 INPUT HDMI Connectors Connect to the HDMI sources (from 1 to 16)
7 OUTPUT HDMI Connector Connect to the HDMI acceptor
8 RS-232 DB 9F Port Connects to the PC or the RS-232 Remote Controller
9 ETHERNET Connector Connects to the PC or other Ethernet Controller
10 RESET Button Press the ETHERNET factory reset button to reset to the
factory default definitions1:
IP number 192.168.1.39
Mask – 255.255.255.0
Gateway – 192.168.1.1
11 Power Connector with Fuse AC connector enabling power supply to the unit
1 First, disconnect the power cord and then connect it again while pressing the RESET button. The unit will power up and
load its memory with the factory default definitions
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KRAMER: SIMPLE CREATIVE TECHNOLOGY
Installing the VS-161HDMI on a Rack
8
5 Installing the VS-161HDMI on a Rack
This section describes what to do before installing on a rack and how to rack
mount.
Before Installing on a Rack
Before installing on a rack, be sure that the environment is
within the recommended range:
Operating temperature range +5 to +45 Deg. Centigrade
Operating humidity range 5 to 65 % RHL, non-condensing
Storage temperature range -20 to +70 Deg. Centigrade
Storage humidity range 5 to 95% RHL, non-condensing
CAUTION!!
When installing on a 19" rack, avoid hazards by taking care
that:
1 It is located within the recommended environmental
conditions, as the operating ambient temperature of a
closed or multi unit rack assembly may exceed the room
ambient temperature.
2 Once rack mounted, enough air will still flow around the
machine.
3 The machine is placed straight in the correct horizontal
position.
4 You do not overload the circuit(s). When connecting the
machine to the supply circuit, overloading the circuits
might have a detrimental effect on overcurrent
protection and supply wiring. Refer to the appropriate
nameplate ratings for information. For example, for fuse
replacement, see the value printed on the product label.
5 The machine is earthed (grounded) in a reliable way
and is connected only to an electricity socket with
grounding. Pay particular attention to supply
connections other than direct connections to the branch
circuit (for example, the use of power strips), and that
you use only the power cord that is supplied with the
machine.
How to Rack Mount
To rack-mount the machine:
1 Attach both ear brackets to the
machine. To do so, remove the
screws from each side of the
machine (3 on each side), and
replace those screws through
the ear brackets.
2 Place the ears of the machine
against the rack rails, and
insert the proper screws (not
provided) through each of the
four holes in the rack ears.
Note that:
In some models, the front panel
may feature built-in rack ears
Detachable rack ears can be
removed for desktop use
Always mount the machine in the
rack before you attach any cables or
connect the machine to the power
If you are using a Kramer rack
adapter kit (for a machine that is not
19"), see the Rack Adapters user
manual for installation instructions
(you can download it at:
http://www.kramerelectronics.com)
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Connecting a VS-161HDMI 16x1 HDMI Switcher
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6 Connecting a VS-161HDMI 16x1 HDMI Switcher
To connect the VS-161HDMI 16x1 HDMI Switcher as illustrated in the
example in Figure 2, do the following1:
1. If required:
Set the appropriate INPUTS to the DVD/PC mode (see section 7.1)
Acquire the EDID (see section 7.2)
2. Connect2 the HDMI sources as follows3:
A multimedia player to INPUT 1
A set top box to INPUT 2
A DVD player to INPUT 6
A DVD player to INPUT 16
3. Connect the OUTPUT HDMI connector to an HDMI acceptor (for example, a
plasma display).
4. If required, connect a PC and/or controller to the RS-232 port (see section 7.3)
and/or the ETHERNET port (see section 7.4).
5. Connect the power connector to the mains electricity.
Press an INPUT SELECTOR button (from 1 to 16) to choose which HDMI
input to route to the output4.
1 Switch OFF the power on each device before connecting it to your VS-161HDMI. After connecting your VS-161HDMI,
switch on its power and then switch on the power on each device
2 You can connect up to 16 HDMI sources
3 Alternatively, you can connect a PC to any of the inputs and set those inputs to the PC mode (see section 7.1)
4 The input button illuminates
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Connecting a VS-161HDMI 16x1 HDMI Switcher
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Plasma
Display
Multimedia
Player
DVD Player
RS-232
DVD Player
Set Top Box
Source
Figure 2: Connecting a VS-161HDMI 16x1 HDMI Switcher
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Operating the VS-161HDMI
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7 Operating the VS-161HDMI
This section describes:
The PC mode and the DVD mode (see section 7.1)
How to acquire the EDID (see section 7.2)
How to control the machine via RS-232 (see section 7.3)
How to control the machine via the ETHERNET port (see section 7.4)
7.1 The PC and DVD Modes
The VS-161HDMI has two operation modes that are specific per input: the
PC mode1 and the DVD mode:
The PC mode is used when connecting a computer or several computers
to one or more of the inputs via a DVI-to-HDMI converter cable2
The DVD mode is used when connecting a DVD or several DVDs to the
inputs
When in the PC mode, the input has access to the EDID (default or acquired)
to prevent the computer from resetting if an output is not connected. In the
DVD mode, the EDID of the connected output is available only when the
input to which the DVD is connected, is switched to the output.
The PC mode and the DVD mode can be applied to a single input or to
several inputs. For example, if you want to connect a computer to INPUT 1,
another computer to INPUT 2, and DVD machines to all the other inputs
(from INPUT 3 to INPUT 16), set INPUT 1 and INPUT 2 to the PC mode
and all the other inputs to the DVD mode.
To set the inputs to either the PC or the DVD mode, do the following:
1. Turn the POWER off.
2. Press the PANEL LOCK button while turning the POWER on again.
The INPUT buttons blink simultaneously.
3. Keep pressing and holding the PANEL LOCK button for a few seconds and
then release it.
The PANEL LOCK button blinks.
If an input button illuminates, this indicates that that input is set to the DVD
mode.
If an input button is not illuminated, this indicates that that input is set to the
PC mode.
1 The default
2 For example, the Kramer HDMI-DVI Gold Plated Cable in various lengths (3”, 6” , 10” and 15”)
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Operating the VS-161HDMI
12
4. Toggle between the PC mode (input button not illuminated) and the DVD
mode (input button illuminated) by pressing that input.
5. Press the PANEL LOCK button to exit this mode.
6. You can connect a computer to the input(s) that is set to the PC mode and a
DVD to the input(s) that is set to the DVD mode.
Table 4 summarizes the differences between the PC mode and the DVD
mode:
Table 4: DVD Mode and PC Mode Characteristics
PC Mode DVD Mode
The input is connected to a computer The input is connected to a multimedia application,
such as a DVD, a set top box and so on
The EDID is available at all times (to prevent
computer reset)
The EDID is available only when that input is
connected to an output
The input EDID source is the default EDID
or an acquired EDID (see section 7.2)
The input EDID source is acquired directly from the
connected output
7.2 Acquiring the EDID
The acquired EDID is used when an input is set to the PC mode.
To acquire the EDID, do the following:
1. Turn the POWER off.
2. Press the PANEL LOCK button and the INPUT 16 button while turning the
POWER on again.
The INPUT buttons blink in sequence until the unit has completed to read the
EDID.
3. Release the PANEL LOCK and INPUT 16 buttons.
If an output was connected, the output EDID is read to all the inputs. If an
output was not connected to the machine, the default EDID is read to the
inputs.
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Operating the VS-161HDMI
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7.3 Controlling via RS-232 (for example, using a PC)
To connect a PC to the VS-161HDMI unit, using the Null-modem adapter
provided with the machine (recommended):
Connect the RS-232 DB9 rear panel port on the VS-161HDMI unit to the
Null-modem adapter and connect the Null-modem adapter with a 9-wire
flat cable to the RS-232 DB9 port on your PC
To connect a PC to the VS-161HDMI unit, without using a Null-modem adapter:
Connect the RS-232 DB9 port on your PC to the RS-232 DB9 rear panel
port on the Master VS-161HDMI unit, as Figure 3 illustrates
Female DB9 (From PC)
PIN 4 Connected to PIN 6
PINS 8, 7, 1 Connected together
If a Shielded cable is used, connect the shield to PIN 5
PIN 5 Connected to PIN 5 (Ground)
PIN 3 Connected to PIN 2
PIN 2 Connected to PIN 3
Male DB9
Figure 3: Connecting a PC without using a Null-modem Adapter
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Operating the VS-161HDMI
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7.4 Controlling the VS-161HDMI via the ETHERNET Port
You can connect the VS-161HDMI via the Ethernet, using a crossover cable
(see section 7.4.1) for direct connection to the PC or a straight through cable
(see section 7.4.2) for connection via a network hub or network router.
7.4.1 Connecting the ETHERNET Port directly to a PC (Crossover Cable)
You can connect the Ethernet port of the VS-161HDMI to the Ethernet port
on your PC, via a crossover cable with RJ-45 connectors, as Table 5 and
Figure 4 define.
Table 5: Crossover Cable RJ-45 PINOUT
EIA /TIA 568A
Side 1
EIA /TIA 568B
Side 2
PIN Wire Color PIN Wire Color
1 White-orange 1 White-green
2 Orange 2 Green
3 White-green 3 White-orange
4 Blue 4 Blue
5 White-blue 5 White-blue
6 Green 6 Orange
7 White-brown 7 White-brown
8 Brown 8 Brown
Pair 1 4 and 5 Pair 1 4 and 5
Pair 2 1 and 2 Pair 2 3 and 6
Pair 3 3 and 6 Pair 3 1 and 2
Pair 4 7 and 8
Pair 4 7 and 8
Figure 4: RJ-45 PINOUT
This type of connection is recommended for identification of the factory default
IP Address of the VS-161HDMI during the initial configuration
After connecting the Ethernet port, configure your PC as follows:
1. Right-click the My Network Places icon on your desktop.
2. Select Properties.
3. Right-click Local Area Connection Properties.
4. Select Properties.
The Local Area Connection Properties window appears.
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Operating the VS-161HDMI
15
5. Select the Internet Protocol (TCP/IP) and click the Properties Button (see
Figure 5).
Figure 5: Local Area Connection Properties Window
6. Select Use the following IP Address, and fill in the details as shown in
Figure 6.
7. Click OK.
Figure 6: Internet Protocol (TCP/IP) Properties Window
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Operating the VS-161HDMI
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7.4.2 Connecting the ETHERNET Port via a Network Hub (Straight-Through
Cable)
You can connect the Ethernet port of the VS-161HDMI to the Ethernet port
on a network hub or network router, via a straight-through cable with RJ-45
connectors, as Table 6 defines:
Table 6: Straight-through Cable RJ-45 PINOUT
Side 1 Side 2
PIN Wire Color PIN Wire Color
1 White-orange 1 White-orange
2 Orange 2 Orange
3 White-green 3 White-green
4 Blue 4 Blue
5 White-blue 5 White-blue
6 Green 6 Green
7 White-brown 7 White-brown
8 Brown
8 Brown
7.5 Configuring the Ethernet Port
To configure the ETHERNET port, do the following:
1. Connect the ETHERNET port as described in section 7.4.1.
2. Insert the CD-ROM in the CD-ROM drive, double click the Set
Setfc11eth_confxx.exe
1
file and follow the on-screen instructions2.
The Ethernet Configuration Manager is installed.
3. Click the appropriate shortcut in the Start menu’s Programs folder. The
Configuration Manager window (see Figure 7) opens.
4. Click the Search button3 (or the Action menu’s, Search Board command).
The MAC Address for the found ETHERNET port appears in the Device List.
5. Change the settings according to your network requirements and then click the
Config button (or the Action menu’s, Config command) to apply the settings.
Note, that clicking the Config button will alter the IP settings of the
ETHERNET port
1 File names are liable to change from time to time
2 The latest version appears on our Web site at http://www.kramerelectronics.com
3 To automatically search for devices
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Operating the VS-161HDMI
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Figure 7: The Ethernet Configuration Manager Window
Table 7: Ethernet Configuration Manager Window Functionality
# Feature Function
File The Exit command closes the Configuration Manager application
Action
The Search Board command seeks the VS-161HDMI device that connects to the PC
via the ETHERNET port, and displays it and its corresponding settings;
The Config command adjusts the VS-161HDMI according to the displayed data
Set MAC1 For factory use only (click the Password command to enter the password)
1
Menu bar
About Displays software information, including the software version
2 Device List Displays the MAC Address
3 Progress Bar Shows the progress
4 Status Bar Shows the status
5 Version Displays the firmware version
6 Device Network
Settings Area
DHCP1 Mode Check Box: When selected, configures the Ethernet port to obtain an IP
address automatically from the DHCP server. When cleared, manual configuration of
the Ethernet port is required to obtain an IP address (Static IP)
IP Address: A 32-binary digit number obtained from your Network Administrator that
identifies the Ethernet port that is currently being configured
Subnet: A 32-binary digit number obtained from your Network Administrator, which
combined with the IP Address, identifies which network your device is on
Gateway: A network position serving as an entry to another network or to the Internet
(only relevant in the Active Routing mode)
7 Action Buttons
Search: seeks the devices that connect to the PC via the ETHERNET port, and
displays them and their corresponding settings
Config: adjusts the according to the displayed data
8 Exit Button Closes the Configuration Manager application
1 See the definition in Table 1
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KRAMER: SIMPLE CREATIVE TECHNOLOGY
Operating the VS-161HDMI
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7.5.1 Setting a Virtual Port
If the control application cannot work with an Ethernet driver, use the Kramer
Virtual port driver as follows:
1. Insert the CD-ROM in the CD-ROM drive, double click the SetKVSP_xx.exe1
file and follow the on-screen instructions2.
The virtual serial port is installed.
2. Run the Virtual Serial Port Manager Application.
The Virtual Serial Port Manager window appears (see Figure 8).
Figure 8: The Virtual Serial Port Manager Window
3. Press the Add VSP button to add a serial port and type the IP settings
according to the IP address and local port of your VS-161HDMI (see Figure
9).
Figure 9: The Virtual Serial Port Properties Window
1 File names are liable to change from time to time
2 The latest version appears on our Web site at http://www.kramerelectronics.com
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Operating the VS-161HDMI
19
4. You can set a virtual port for each local port on your VS-161HDMI (see
Figure 10).
Figure 10: The Virtual Serial Port Properties Window (COM 3 and COM 4)
5. In the control application, choose the COM-port connection according to your
virtual serial port connections (see Figure 11).
Figure 11: The Port Window – Selecting a Virtual Serial Port
7.5.2 Setting an Ethernet Connection
If the control application can connect directly to the Ethernet driver, select the
host IP and port number, as illustrated in Figure 12.
Figure 12: The Port Window – Selecting a Remote Connection
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Technical Specifications
20
8 Technical Specifications
Table 8 includes the technical specifications:
Table 8: Technical Specifications1 of the VS-161HDMI
INPUTS: 16 HDMI Connectors
OUTPUT: 1 HDMI Connector
BANDWIDTH: Supports up to 1.65Gbps bandwidth per graphic channel
COMPLIANCE WITH
HDMI STANDARD:
Supports HDMI 1.2 and HDCP
RESOLUTION: Up to UXGA; 1080p
POWER SOURCE:
90240VAC; 50/60Hz, 22VA
CONTROLS: Front panel buttons, Infra-red remote control transmitter, RS-232, Ethernet
DIMENSIONS: 19-inch (W), 7-inch (D), 1U (H)
WEIGHT: 2.5 kg. (5.5 lbs.) approx.
ACCESSORIES: Power cord
OPTIONS: Kramer HDMI cables2
1 Specifications are subject to change without notice
2 For best results, use Kramer cables such as the C-HDMI/HDMI series, the C-HDMI-DVI series and/or our HDMI over fiber
optics C-FOHM/FOHM series
Page 24
Kramer Protocol 2000
21
9 Kramer Protocol 20001
The VS-161HDMI is compatible with Kramer’s Protocol 2000 (version 0.46)
(below). This RS-232/RS-485 communication protocol uses four bytes of
information as defined below. For RS-232, a null-modem connection between
the machine and controller is used. The default data rate is 9600 baud, with
no parity, 8 data bits and 1 stop bit.
Table 9: Protocol Definitions
MSB LSB
DESTI-
NATION
INSTRUCTION
0 D N5 N4 N3 N2 N1 N0
7 6 5 4 3 2 1 0
1st byte
INPUT
1 I6 I5 I4 I3 I2 I1 I0
7 6 5 4 3 2 1 0
2nd byte
OUTPUT
1 O6 O5 O4 O3 O2 O1 O0
7 6 5 4 3 2 1 0
3rd byte
MACHINE NUMBER
1 OVR X M4 M3 M2 M1 M0
7 6 5 4 3 2 1 0
4th byte
1st BYTE: Bit 7 – Defined as 0.
D – “DESTINATION”: 0 - for sending information to the switchers (from the PC);
1 - for sending to the PC (from the switcher).
N5…N0 – “INSTRUCTION”
The function that is to be performed by the switcher(s) is defined by the INSTRUCTION (6 bits). Similarly, if a function is
performed via the machine’s keyboard, then these bits are set with the INSTRUCTION NO., which was performed. The
instruction codes are defined according to the table below (INSTRUCTION NO. is the value to be set for N5…N0).
2nd BYTE: Bit 7 – Defined as 1.
I6…I0 – “INPUT”.
When switching (ie. instruction codes 1 and 2), the INPUT (7 bits) is set as the input number which is to be switched.
Similarly, if switching is done via the machine’s front-panel, then these bits are set with the INPUT NUMBER which was
switched. For other operations, these bits are defined according to the table.
3rd BYTE: Bit 7 – Defined as 1.
O6…O0 – “OUTPUT”.
When switching (ie. instruction codes 1 and 2), the OUTPUT (7 bits) is set as the output number which is to be switched.
Similarly, if switching is done via the machine’s front-panel, then these bits are set with the OUTPUT NUMBER which was
switched. For other operations, these bits are defined according to the table.
4th BYTE: Bit 7 – Defined as 1.
Bit 5 – Don’t care.
OVR – Machine number override.
M4…M0 – MACHINE NUMBER.
Used to address machines in a system via their machine numbers. When several machines are controlled from a single serial
port, they are usually configured together with each machine having an individual machine number. If the OVR bit is set, then
all machine numbers will accept (implement) the command, and the addressed machine will reply.
1 You can download our user-friendly “Software for Calculating Hex Codes for Protocol 2000” from our Web site:
http://www.kramerelectronics.com
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KRAMER: SIMPLE CREATIVE TECHNOLOGY
Kramer Protocol 2000
22
For a single machine controlled via the serial port, always set M4…M0 = 1, and make sure that the machine itself is
configured as MACHINE NUMBER = 1.
Table 10: Instruction Codes for Protocol 2000
Note: All values in the table are decimal, unless otherwise stated.
INSTRUCTION DEFINITION FOR SPECIFIC INSTRUCTION
# DESCRIPTION INPUT OUTPUT
NOTE
0 RESET VIDEO 0 0 1
1 SWITCH VIDEO Set equal to video input which is to
be switched
(0 = disconnect)
Set equal to video output which is
to be switched
(0 = to all the outputs)
2, 15
2 SWITCH AUDIO Set equal to audio input which is to
be switched
(0 = disconnect)
Set equal to audio output which
is to be switched
(0 = to all the outputs)
2
3 STORE VIDEO
STATUS
Set as SETUP # 0 - to store
1 - to delete
2, 3, 15
4 RECALL VIDEO
STATUS
Set as SETUP # 0 2, 3, 15
5 REQUEST STATUS
OF A VIDEO OUTPUT
Set as SETUP # Equal to output number whose
status is reqd
4, 3
6 REQUEST STATUS
OF AN AUDIO
OUTPUT
Set as SETUP # Equal to output number whose
status is reqd
4, 3
7 VIS SOURCE Set as input # when
OUTPUT byte = 6;
OR
set as output # when
OUTPUT byte = 7;
OR
set as blank period
(in steps of 25ms) when
OUTPUT byte = 32;
OR
set = 0. *****
0 - No VIS (immediate)
1 - Input # 1
2 - External digital sync
3 - External analog sync
4 - Dynamic sync
5 - Inter-machine sync
6 - Input # (INPUT byte)
7 - Output #(INPUT byte)
8 - User-defined sync
32 - RGBHV seamless switching
64 - Set for delayed switch
65 - Execute delayed switch
66 - Cancel delayed switch
setting
2, 5, 17, 18
BREAKAWAY
SETTING
0
0 - audio-follow-video
1 - audio breakaway
2 8
1 0 - FOLLOW mode
1 - Normal mode
15
VIDEO / AUDIO TYPE
SETTING
0 - for video
0 - CV
1 - YC
2 - YUV
3 - RGBS
4 - SDI
5 - CV+YC
6 - VGA scaler
7 - DVI
1 - for audio O0=0 – Unbalanced audio
O0=1 – Balanced audio
O1=0 – Digital audio
O1=1 – Analog audio
O4=0, O3=0, O2=0-Mono
O4=0, O3=0,O2=1-Stereo
9
2 - for VGA and DVI 1 - 640X480
2 - 800X600
3 - 1024X768
2
10 REQUEST VIS
SETTING
Set as SETUP #, or
set to 126 or 127 to request if
machine has this function
0 - VIS source
1 - Input # or output # of source
2 - Vertical sync freq (Hz)
3, 4, 6, 7
11 REQUEST
BREAKAWAY
SETTING
Set as SETUP #, or
set to 126 or 127 to request if
machine has this function
0 - Request audio breakaway
setting
1 - Request “FOLLOW” setting
3, 4, 6, 15
12 REQUEST VIDEO /
AUDIO TYPE
SETTING
Set as SETUP #, or
set to 126 or 127 to request if
machine has this function
0 - for video
1 - for audio
2 - for VGA
3, 4, 6
13 SET HIGHEST
MACHINE ADDRESS
0 - for video
1 - for audio
Set equal to highest machine
address
2
14 REQUEST HIGHEST
MACHINE ADDRESS
0 - for video
1 - for audio
0 4
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Kramer Protocol 2000
23
INSTRUCTION DEFINITION FOR SPECIFIC INSTRUCTION
# DESCRIPTION INPUT OUTPUT
NOTE
15 REQUEST WHETHER
SETUP IS DEFINED /
VALID INPUT IS
DETECTED
SETUP #
or
Input #
0 - for checking if setup is defined
1 - for checking if input is valid
8
16 ERROR / BUSY For invalid / valid input (i.e.
OUTPUT byte = 4 or OUTPUT byte
= 5),
This byte is set as the input #
0 - error
1 - invalid instruction
2 - out of range
3 - machine busy
4 - invalid input
5 - valid input
9, 25
17 RESERVED - - - - - - - - 10
18 RESET AUDIO 0 0 1
19 STORE AUDIO
STATUS
Set as SETUP # 0 - to store
1 - to delete
2, 3
20 RECALL AUDIO
STATUS
Set as SETUP # 0 2, 3
21 SET VIDEO
PARAMETER
Equal to input / output number
whose video parameter is to be set
(0 = all)
Set as parameter value 2, 11, 24
22 SET AUDIO
PARAMETER
Equal to input / output number
whose gain is to be set
(0 = all)
Set as parameter value 2, 11, 24
23 INCREASE /
DECREASE VIDEO
PARAMETER
Equal to input / output number
whose video parameter is to be
increased / decreased
(0 = all)
0 - increase video gain
1 - decrease video gain
2 - increase contrast
3 - decrease contrast
4 - increase brightness
5 - decrease brightness
6 - increase color
7 - decrease color
8 - increase hue
9 - decrease hue
16 - increase H-phase
17 - decrease H-phase
18 - increase V-position
19 - decrease V-position
24
24 INCREASE /
DECREASE AUDIO
PARAMETER
Equal to input / output number
whose parameter is to be
increased / decreased
(0 = all)
0 - increase output
1 - decrease output
2 - increase left output
3 - decrease left output
4 - increase right output
5 - decrease right output
6 - increase input
7 - decrease input
8 - increase left input
9 - decrease left input
10 - increase right input
11 - decrease right input
24
25 REQUEST AUDIO
PARAMETER
Equal to input / output number
whose parameter is requested
0 6, 24
26 REQUEST VIDEO
PARAMETER
Equal to input / output number
whose video parameter is
requested
0 6, 24
30 LOCK FRONT PANEL 0 - Panel unlocked
1 - Panel locked
0 2
31 REQUEST WHETHER
PANEL IS LOCKED
0 0 16
32
to
35
RESERVED - - - - - - - - 10
40 DIRECT MEMORY
SAVE
Memory address Data 20
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KRAMER: SIMPLE CREATIVE TECHNOLOGY
Kramer Protocol 2000
24
INSTRUCTION DEFINITION FOR SPECIFIC INSTRUCTION
# DESCRIPTION INPUT OUTPUT
NOTE
42 AUDIO PARAMETER
SETTINGS FOR
INSTRUCTIONS 22,
24, 25
INPUT Bit:
I0 - 0=input; 1=output
I1 - Left
I2 - Right
0 - Gain
1 - Bass
2 - Treble
3 - Midrange
24
43 VIDEO PARAMETER
SETTINGS FOR
INSTRUCTIONS 21,
23, 26
1 – Input
2 – Output
0 - video gain
1 - contrast
2 - brightness
3 - color
4 - hue
5 - H-phase
6 - V-position
24
56 CHANGE TO ASCII 0 1 - SVS protocol
2 - Generic protocol
19
57 SET AUTO-SAVE I3 - no save
I4 - auto-save
0 12, 2
58 EXECUTE LOADED
DATA
Set as 0, or as SETUP #. 1-Take
2-Cancel
22, 3
LOAD VIDEO DATA Set equal to video input
(0 = disconnect)
Set equal to video output
(0 = to all the outputs)
59
(127 = load SETUP #) or SETUP #
22, 23
LOAD AUDIO DATA Set equal to audio input
(0 = disconnect)
Set equal to audio output
(0 = to all the outputs)
60
(127 = load SETUP #) or SETUP #
22, 23
61 IDENTIFY MACHINE 1 - video machine name
2 - audio machine name
3 - video software version
4 - audio software version
5 - RS422 controller name
6 - RS422 controller version
7 - remote control name
8 - remote software version
9 - Protocol 2000 revision
0 - Request first 4 digits
1 - Request first suffix
2 - Request second suffix
3 - Request third suffix
10 - Request first prefix
11 - Request second prefix
12 - Request third prefix
13
62 DEFINE MACHINE 1 - number of inputs
2 - number of outputs
3 - number of setups
1 - for video
2 - for audio
3 - for SDI
4 - for remote panel
5 - for RS-422 controller
14
63 EXTENDED DATA 7 MSBs for INPUT data 7 MSBs for OUTPUT data 20
NOTES on the above table:
NOTE 1 - When the master switcher is reset, (e.g. when it is turned on), the reset code is sent to the PC. If this code is sent to
the switchers, it will reset according to the present power-down settings.
NOTE 2 - These are bi-directional definitions. That is, if the switcher receives the code, it will perform the instruction; and if
the instruction is performed (due to a keystroke operation on the front panel), then these codes are sent. For example, if the
HEX code
01 85 88 83
was sent from the PC, then the switcher (machine 3) will switch input 5 to output 8. If the user switched input 1 to output 7
via the front panel keypad, then the switcher will send HEX codes:
41 81 87 83
to the PC.
When the PC sends one of the commands in this group to the switcher, then, if the instruction is valid, the switcher replies by
sending to the PC the same four bytes that it was sent (except for the first byte, where the DESTINATION bit is set high).
NOTE 3 - SETUP # 0 is the present setting. SETUP # 1 and higher are the settings saved in the switcher's memory, (i.e. those
used for Store and Recall).
NOTE 4 - The reply to a "REQUEST" instruction is as follows: the same instruction and INPUT codes as were sent are
returned, and the OUTPUT is assigned the value of the requested parameter. The replies to instructions 10 and 11 are as per
the definitions in instructions 7 and 8 respectively. For example, if the present status of machine number 5 is breakaway
setting, then the reply to the HEX code
0B 80 80 85
would be HEX codes
4B 80 81 85
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Kramer Protocol 2000
25
NOTE 5 – For the OUTPUT byte set as 6, the VIS source is the input selected using the OUTPUT byte. Similarly, for the
OUTPUT byte set as 7, the VIS source is the output selected using the OUTPUT byte. Note also, that on some machines the
sync source is not software selectable, but is selected using switches, jumpers, etc!
NOTE 6 – If INPUT is set to 127 for these instructions, then, if the function is defined on this machine, it replies with
OUTPUT=1. If the function is not defined, then the machine replies with OUTPUT=0, or with an error (invalid instruction
code).
If the INPUT is set to 126 for these instructions, then, if possible, the machine will return the current setting of this function,
even for the case that the function is not defined. For example, for a video switcher which always switches during the VIS of
input #1, (and its VIS setting cannot be programmed otherwise), the reply to the HEX code
0A FE 80 81 (ie. request VIS setting, with INPUT set as 126
dec
)
would be HEX codes
4A FE 81 81 (ie. VIS setting = 1, which is defined as VIS from input #1).
NOTE 7 – Setting OUTPUT to 0 will return the VIS source setting as defined in instruction #7. Setting to 1 will return the
input # or output # of the sync source (for the case where the VIS source is set as 6 or as 7 in instruction #7). Setting to 2
returns the vertical sync frequency (0 for no input sync, 50 for PAL, 60 for NTSC, 127 for error).
NOTE 8 - The reply is as in TYPE 3 above, except that here the OUTPUT is assigned with the value 0 if the setup is not
defined / no valid input is detected; or 1 if it is defined / valid input is detected.
NOTE 9 - An error code is returned to the PC if an invalid instruction code was sent to the switcher, or if a parameter
associated with the instruction is out of range (e.g. trying to save to a setup greater than the highest one, or trying to switch an
input or output greater than the highest one defined). This code is also returned to the PC if an RS-232 instruction is sent
while the machine is being programmed via the front panel. Reception of this code by the switcher is not valid.
NOTE 10 – This code is reserved for internal use.
NOTE 11 – For machines where the video and / or audio gain is programmable.
NOTE 12 - Under normal conditions, the machine's present status is saved each time a change is made. The "power-down"
save (auto-save) may be disabled using this code. Note that whenever the machine is turned on, the auto-save function is set.
NOTE 13 - This is a request to identify the switcher/s in the system. If the OUTPUT is set as 0, and the INPUT is set as 1, 2,
5 or 7, the machine will send its name. The reply is the decimal value of the INPUT and OUTPUT. For example, for a 2216,
the reply to the request to send the audio machine name would be (HEX codes):
7D 96 90 81 (i.e. 128
dec
+ 22
dec
for 2nd byte, and 128
dec
+ 16
dec
for 3rd byte).
If the request for identification is sent with the INPUT set as 3 or 4, the appropriate machine will send its software version
number. Again, the reply would be the decimal value of the INPUT and OUTPUT - the INPUT representing the number in
front of the decimal point, and the OUTPUT representing the number after it. For example, for version 3.5, the reply to the
request to send the version number would be (HEX codes):
7D 83 85 81 (i.e. 128
dec
+ 3
dec
for 2nd byte, 128
dec
+ 5
dec
for 3rd byte).
If the OUTPUT is set as 1, then the ASCII coding of the lettering following the machine’s name is sent. For example, for the
VS-7588YC, the reply to the request to send the first suffix would be (HEX codes):
7D D9 C3 81 (i.e. 128
dec
+ ASCII for “Y” ; 128
dec
+ ASCII for “C” ).
NOTE 14 - The number of inputs and outputs refers to the specific machine which is being addressed, not to the system. For
example, if six 16X16 matrices are configured to make a 48X32 system (48 inputs, 32 outputs), the reply to the HEX code
3E 82 81 82 (ie. request the number of outputs)
would be HEX codes
7E 82 90 82
ie. 16 outputs
NOTE 15 – When the OVR bit (4th byte) is set, then the “video” commands have universal meaning. For example, instruction
1 (SWITCH VIDEO) will cause all units (including audio, data, etc.) to switch. Similarly, if a machine is in “FOLLOW”
mode, it will perform any “video” instruction.
NOTE 16 - The reply to the “REQUEST WHETHER PANEL IS LOCKED” is as in NOTE 4 above, except that here the
OUTPUT is assigned with the value 0 if the panel is unlocked, or 1 if it is locked.
NOTE 17 – For clean switching of RGBHV video, the “seamless switching” option may be used. The blanking period for the
transition of the RGB sources may be set in this case, in steps of 25 milliseconds.
For example, to set for 350ms blanking time (14 steps), send HEX codes
07 8E A0 81
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KRAMER: SIMPLE CREATIVE TECHNOLOGY
Kramer Protocol 2000
26
NOTE 18 – Delayed execution allows switching after a delay dictated by RS-232. To do this, the user sends instruction 7
with the “Set for delayed switch” option (64
dec
) before sending the switch command (instruction 1) or pressing via front panel.
The switch is not executed (unless timed-out) until the “Execute delayed switch” code is sent, or the “Set for delayed switch”
code is sent again. (The mode is automatically cancelled after implementation of the switch if the “execute” command is
used).
For example, to connect input 4 to output 3 after a delay, send HEX codes
07 80 C0 81 (set for delayed switch)
01 84 83 81 (switch code)
then, after the required delay, send HEX codes
07 80 C1 81 (execute delayed switch)
to implement the switch.
NOTE 19 – After this instruction is sent, the unit will respond to the ASCII command set defined by the OUTPUT byte. The
ASCII command to operate with the HEX command set must be sent in order to return to working with HEX codes.
NOTE 20 – When data (ie. the INPUT and/or OUTPUT bytes) of more than 7 bits is required, this instruction is sent before
sending the instruction needing the additional bits. The data in this intruction then becomes the Most Significant Bits of that
next instruction. For example, to set the audio gain (instruction 22) of output 3 to 681
dec
(2A9
hex
), you would first send HEX
codes
3F 80 85 81
and then send HEX codes
16 83 A9 81.
To set the audio gain of output 6 to 10013
dec
(271D
hex
), first send HEX codes
3F 80 CE 81
followed by HEX codes
16 86 9D 81.
NOTE 21 – To store data in the non-volatile memory of the unit, eg. the EEPROM for saving SETUPS. The EEPROM
address is sent using the INPUT byte, and the data to be stored is sent using the OUTPUT byte. To use this instruction, it is
necessary to understand the memory map, and memory structure of the particular machine.
NOTE 22 – Instruction 59 and instruction 60 load data for sending to the crosspoint switcher (or for storing in a SETUP), ie.
the data is “lined-up” to be executed later. Instruction 58 executes the loaded data.
NOTE 23 – If the INPUT byte is set as 127
dec
, then the data stored in a SETUP is loaded. The SETUP # is in the OUTPUT
byte.
NOTE 24 – Further information needed in instructions 21, 22, 25 and 26, is sent using instruction 42 – which is sent prior to
the instruction. For example, to request the audio gain value of right input # 9, send hex codes
2A 84 80 81
and then send HEX codes
19 89 81 81.
NOTE 25 – For units which detect the validity of the video inputs, Instruction 16 will be sent whenever the unit detects a
change in the state of an input (in real-time).
For example, if input 3 is detected as invalid, the unit will send the HEX codes
10 83 84 81
If input 7 is detected as valid, then the unit will send HEX codes
10 87 85 81.
Page 30
27
LIMITED WARRANTY
Kramer Electronics (hereafter Kramer) warrants this product free from defects in material and workmanship under the
following terms.
HOW LONG IS THE WARRANTY
Labor and parts are warranted for seven years from the date of the first customer purchase.
WHO IS PROTECTED?
Only the first purchase customer may enforce this warranty.
WHAT IS COVERED AND WHAT IS NOT COVERED
Except as below, this warranty covers all defects in material or workmanship in this product. The following are not covered
by the warranty:
1. Any product which is not distributed by Kramer, or which is not purchased from an authorized Kramer dealer. If you are
uncertain as to whether a dealer is authorized, please contact Kramer at one of the agents listed in the Web site
www.kramerelectronics.com.
2. Any product, on which the serial number has been defaced, modified or removed.
3. Damage, deterioration or malfunction resulting from:
i) Accident, misuse, abuse, neglect, fire, water, lightning or other acts of nature
ii) Product modification, or failure to follow instructions supplied with the product
iii) Repair or attempted repair by anyone not authorized by Kramer
iv) Any shipment of the product (claims must be presented to the carrier)
v) Removal or installation of the product
vi) Any other cause, which does not relate to a product defect
vii) Cartons, equipment enclosures, cables or accessories used in conjunction with the product
WHAT WE WILL PAY FOR AND WHAT WE WILL NOT PAY FOR
We will pay labor and material expenses for covered items. We will not pay for the following:
1. Removal or installations charges.
2. Costs of initial technical adjustments (set-up), including adjustment of user controls or programming. These costs are the
responsibility of the Kramer dealer from whom the product was purchased.
3. Shipping charges.
HOW YOU CAN GET WARRANTY SERVICE
1. To obtain service on you product, you must take or ship it prepaid to any authorized Kramer service center.
2. Whenever warranty service is required, the original dated invoice (or a copy) must be presented as proof of warranty coverage,
and should be included in any shipment of the product. Please also include in any mailing a contact name, company, address, and
a description of the problem(s).
3. For the name of the nearest Kramer authorized service center, consult your authorized dealer.
LIMITATION OF IMPLIED WARRANTIES
All implied warranties, including warranties of merchantability and fitness for a particular purpose, are limited in duration to
the length of this warranty.
EXCLUSION OF DAMAGES
The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option. Kramer
shall not be liable for:
1. Damage to other property caused by defects in this product, damages based upon inconvenience, loss of use of the product, loss
of time, commercial loss; or:
2. Any other damages, whether incidental, consequential or otherwise. Some countries may not allow limitations on how long an
implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitations and exclusions may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which vary from place to place.
NOTE: All products returned to Kramer for service must have prior approval. This may be obtained from your dealer.
This equipment has been tested to determine compliance with the requirements of:
EN-50081: "Electromagnetic compatibility (EMC);
generic emission standard.
Part 1: Residential, commercial and light industry"
EN-50082: "Electromagnetic compatibility (EMC) generic immunity standard.
Part 1: Residential, commercial and light industry environment".
CFR-47: FCC Rules and Regulations:
Part 15: “Radio frequency devices
Subpart B – Unintentional radiators”
CAUTION!
Servicing the machines can only be done by an authorized Kramer technician. Any user who makes changes or modifications to
the unit without the expressed approval of the manufacturer will void user authority to operate the equipment.
Use the supplied DC power supply to feed power to the machine.
Please use recommended interconnection cables to connect the machine to other components.
Page 31
Kramer Electronics, Ltd.
Web site: www.kramerelectronics.com
E-mail: [email protected]
P/N: 2900-000212 REV 2
For the latest information on our products and a list of Kramer
distributors, visit our Web site: www.kramerelectronics.com,
where updates to this user manual may be found.
We welcome your questions, comments and feedback.
Caution
Safety Warning:
Disconnect the unit from the power supply before
opening/servicing.
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