Datasat AP20 Installation And Operating Manual

AP20 Audio Processor

Operating Guide

Installation and

Version 1.1

Effective Date: June 2010

Document # 9301H39200

Datasat Digital Entertainment

9631 Topanga Canyon Place

Chatsworth, CA 91311

USA

AP20 Installation and Operating Guide Page 2

Notices

This product contains software proprietary to Datasat Digital Entertainment and protected by US and International
copyright law. Unauthorized reproduction or disclosure, in whole or in part, is strictly prohibited.

The software and methods implemented in this product may be protected by one or more of the following patents:
US Patent Nos. 5,751,398; 5,450,146; 5,386,255 and other US and International patents, both issued and pending.

WARRANTY/LIMITATION OF LIABILITY

EXCEPT FOR THE LIMITED WARRANTY PROVIDED HEREIN, THIS PRODUCT IS PROVIDED "AS IS"
AND WITHOUT WARRANTY OF ANY KIND. DATASAT DIGITAL ENTERTAINMENT EXPRESSLY
DISCLAIMS ALL OTHER WARRANTIES, EXPRESS AND IMPLIED, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. DATASAT DIGITAL ENTERTAINMENT DOES NOT WARRANT THAT THIS PRODUCT WILL
MEET USER’S REQUIREMENTS, OR THAT THE OPERATION OF THIS PRODUCT WILL BE
UNINTERRUPTED OR ERROR-FREE, OR THAT DEFECTS IN THIS PRODUCT WILL BE CORRECTED.
UNDER NO CIRCUMSTANCES, INCLUDING NEGLIGENCE, SHALL DATASAT DIGITAL
ENTERTAINMENT, OR ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS, BE LIABLE TO USER
FOR ANY INCIDENTAL, INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES (INCLUDING
DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS
INFORMATION, AND THE LIKE) ARISING OUT OF THE USE, MISUSE OR INABILITY TO USE THIS
PRODUCT OR RELATED DOCUMENTATION.

Copyright

AP20 Audio Processor Installation and Operating Guide, Version 1.1

© 2010 Datasat Digital Entertainment. All right reserved.

The content of this publication is subject to change without notice. Datasat Digital Entertainment assumes no
obligation to notify you of any changes or updates. While Datasat Digital Entertainment believes this publication is
accurate, due to ongoing improvements and revisions, Datasat Digital Entertainment cannot guarantee the accuracy
of printed material, nor can it accept responsibility for errors or omissions. Datasat Digital Entertainment may
periodically publish updates and revisions to this publication as it deems necessary.

DTS is a registered trademark of DTS, Inc.
Dolby is a trademark of Dolby Laboratories.

“Dirac Live” is a registered trademark of Dirac Research AB protected by Swedish and international trademark
laws and treaties.

All other trademarks are the properties of their respective owners.

Manufactured under license from Dolby Laboratories. This product contains one or more programs protected under
international and U.S. copyright laws as unpublished works. They are confidential and proprietary to Dolby
Laboratories. Their reproduction or disclosure, in whole or in part, or the production of derivative works therefrom
without the express permission of Dolby Laboratories is prohibited. Copyright 1993 - 2002 by Dolby Laboratories.
All rights reserved.

Manufactured under license from DTS, Inc. under U.S. Patent #’s: 5,451,942; 5,956,674; 5,974,380; 5,978,762;
6,487,535; 7,003,467 & other U.S. and worldwide patents issued & pending. DTS, DTS Digital Surround and
Neo:6 are registered trademarks and the DTS logos and Symbol are trademarks of DTS, Inc. © 1996-2008 DTS,
Inc. All Rights Reserved.

Document No. 9301H39200

June 2010

AP20 Installation & Operating Guide Document # 9301H39200 Ver. 1.1

AP20 Installation and Operating Guide Page 3

Record of Changes

Manual Version /
Date

1.0 April, 2010 Preliminary version

1.1 June 2010 Version 1.1 release

Description

Regulatory Notices

EMI NOTICE

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 the user will be required to correct the interference at his
own expense.

Canadian Department of Communications compliance statement:

This equipment does not exceed Class A limits per radio noise emissions for digital apparatus
set out in the Radio Interference Regulation of the Canadian Department of Communications.
Operation in a residential area may cause unacceptable interference to radio and TV reception
requiring the owner or operator to take whatever steps are necessary to correct the interference.

Avis de conformite aux normes du ministere des Communications du Canada:

Cet equipment ne depasse pas les limites de Classe A D'emission de bruits radioelectriques
pour les appareils numeriques telles que perscrites par le Reglement sur le brouillage
radioelectrique etabli par le ministere des Communications du Canada. L'exploitation faite en
milieu residentiel peut entrainer le brouillage des receptions radio et television, ce qui olbigerait
le proprietaire ou l'operateur a prendre les dispositions necessaires pour en eliminer les causes.

AP20 Installation & Operating Guide Document # 9301H39200 Ver. 1.1

AP20 Installation and Operating Guide Page 4

TABLE OF CONTENTS

INTRODUCTION 6

PART 1: OPERATION 13

1.0 OPERATING AP20 14

1.1 H

1.2 F

1.3 P

1.3.1 N

1.4 T

1.4.1 A

1.4.2 B

1.4.3 M

1.5 T

OW-TO PROCEDURES – OPERATIONS 14
RONT PANEL CONTROLS AND INDICATORS 15
OWERING ON THE AP20 PROCESSOR 16

AVIGATING THROUGH THE MENUS 17

HE HOME SCREEN 18

DJUSTING THE FADER 18
OOTH MONITOR VOLUME 19

ANUAL AUTOMATION 20

ROUBLESHOOTING (OPERATION) 21

PART 2: INSTALLATION AND SETUP 22

2.0 INSTALLATION AND SET UP 24

2.1 I

NSTALLATION CHECKLIST 24

2.2 U

2.2.1 P

2.3 I

2.4 AP20

2.5 C

2.5.1 R

2.5.2 P

2.6 A

2.6.1 C

2.7 F

2.7.1 P

2.7.2 D

2.7.3 D

2.8 AP20

2.8.1 E

2.8.2 S

2.8.3 T

2.8.4 A

2.8.5 H

2.8.6 V

2.9 B

2.9.1 S

2.9.2 P

2.10 S

2.11 C

2.12 F

2.13 C

2.14 S

2.15 U

2.16 AP20

NPACKING SYSTEM COMPONENTS 25

RELIMINARY INSPECTION 25

NSTALLATION OVERVIEW 25

REAR PANEL CONNECTIONS 25

HASSIS RACK MOUNTING AND CONNECTION 27

ACK MOUNT RECOMMENDATIONS 27

OWER SUPPLY 27

BOUT FORMATS 28

REATING AN AUDIO FORMAT 29

ACTORY PRESETS 30

RESET FORMATS 30

EFAULT EQ 31
EFAULT CHANNEL PROFILES 31

CONFIGURATION AND SETUP 32

QUIPMENT REQUIREMENTS 32
ETTING AND ADJUSTING AUDIO OUTPUT LEVELS 32
HEATER EQUIPMENT CHECK 32

SSIGN CHANNELS ON AP20 33
EARING IMPAIRED OUTPUT 35
ERIFY CHANNEL ASSIGNMENTS IN AUDITORIUM 35

CHAIN ALIGNMENT USING 1/3 OCTAVE EQ 35

ET LEVELS TO ESTABLISH A BASELINE 37
ERFORM THE EQ 38

UBWOOFER EQ – PARAMETRIC EQ 40

OPY EQ SET TO ANOTHER EQ SET 41

INAL ADJUSTMENTS 42

OPY FORMAT 42

ETTING UP MULTIPLE SCREENS 42

SING DIRAC LIVE® TO TUNE THE AUDITORIUM 42

PLAYBACK SOUND CHECK 43

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AP20 Installation and Operating Guide Page 5

3.0 HOW-TO PROCEDURES FOR SETUP 43

3.1 E

XAMPLE: CREATING A FORMAT 44

4.0 SETUP MENUS 45

4.1 T

4.2 S

4.2.1 A

4.2.2 U

4.2.3 S

4.2.4 A

4.2.5 V

4.2.6 S

4.2.7 V

4.2.8 S

4.3 F

4.3.1 C

4.3.2 S

4.3.3 E

4.3.4 A

4.3.5 I

4.3.6 F

4.3.7 EQ

4.3.8 C

4.4 N

4.5 A

4.5.1 C

4.5.2 S

4.5.3 A

4.5.4 A

4.5.5 A

HE MENU BUTTON 49
YSTEM SETUP SCREEN 49

SSIGN FADER LEVEL TO A FORMAT 50
PDATING YOUR AP20 SOFTWARE 52

AVING AND RESTORING CONFIGURATION FILES 54

CCESS CONTROL 56
IEW LOG FILE 57

YSTEM INFO 58

ERSION, SERIAL NUMBER, AND MAC ADDRESS 58

YSTEM MONITOR 58

ORMATS 59

URRENT AUDIO FORMAT 59
TARTUP FORMAT 59
DIT FORMATS 60

SSIGN FORMAT BUTTONS 61

NPUT SOURCE 62

ORMAT OPTIONS 63

SETUP 67

HANNEL PROFILE 73

ETWORK 79
UTOMATION 80

REATING A MACRO 80
ERIAL EVENTS 88

UTOMATION BUTTONS 92

UTOMATION TEST SCREEN 93

UTOMATION SERIAL PORT SETUP 94

5.0 MAINTENANCE AND TROUBLESHOOTING 95

5.1 R

5.2 T

5.3 E

5.3.1 S

5.3.2 E

OUTINE MAINTENANCE 95
ROUBLESHOOTING 95
RROR MESSAGES 96

OFTWARE INSTALLATION 96
RROR BOOTING THE AP20 97

PART 3. APPENDICES

A. Connector Pin-outs

B. Interface Wiring Diagrams

C. AP20 Wiring and Block Diagrams

D. Specifications

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AP20 Installation and Operating Guide Page 6

Introduction

This manual explains the AP20 Audio Processor setup and operation. It contains full instructions for
installing hardware and software, setting up audio playback, configuring the system, performing
maintenance and troubleshooting, and setting up and operating optional functions.

How to Use this Guide

The guide is divided into three parts. The first part covers operations for the projectionist or “operator”.
The second part covers the installation, setup and other technical functions. The third part consists of
appendices with technical details such as connector and wiring diagrams.

NOTE: Technical adjustments should only be performed by a qualified theater
technician. The appendices provide detailed information for the theater technician.

Part 1: Operation

 Operating the AP20 Audio Processor

 How-To Procedures

 Troubleshooting – Operations

Part 2: Installation and Setup

 Hardware Installation

 System Software Setup and Menus

 Maintenance and Troubleshooting

Part 3: Appendices

A. Connector Pin-outs

B. Interface Wiring Diagrams

C. AP20 Wiring and Block Diagrams

D. Specifications

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AP20 Installation and Operating Guide Page 9

DDE Customer Service
9631 Topanga Canyon Place
Chatsworth, CA 91311
U.S.A.

USA +1.818-531-0003
U.K +44(0) 1189.349.199
Fax: [phone]

www.datasatdigital.com

Thank you for choosing Datasat Digital Entertainment!

Contact Information

To contact Datasat Digital Entertainment’s Technical Support staff:

Telephone: [phone] or toll free in USA and Canada: 1(888) 428-2268

Customer Service:
Technical Support:
Technical Support Europe:

[e-mail]

[e-mail]

[e-mail]

Software License Agreement

IMPORTANT: READ THIS SOFTWARE LICENSE ("LICENSE") CAREFULLY BEFORE
USING THE DATASAT DIGITAL ENTERTAINMENT SOFTWARE. THE SOFTWARE
RESIDING ON THE AP20 AUDIO PROCESSOR AND ANY ACCOMPANYING MATERIALS
(COLLECTIVELY, THE “SOFTWARE”) ARE LICENSED, NOT SOLD. BY USING THE
AP20 AUDIO PROCESSOR, YOU ARE ACCEPTING AND AGREEING TO THE TERMS OF
THIS LICENSE. IF YOU DO NOT AGREE TO THE TERMS OF THIS LICENSE, DO NOT
USE THE AP20 AUDIO PROCESSOR.

1. Grant. Subject to your compliance with the terms of this License, Datasat Digital
Entertainment hereby grants you a non-exclusive, non-transferable, revocable, limited
license to use the Software solely for your internal business purposes and solely in
connection with the AP20 Audio processor. All rights not expressly granted to you are
reserved by Datasat Digital Entertainment.

2. Ownership. All right, title and interest in and to the Software, all physical copies thereof
and all intellectual property embodied therein are and shall remain vested in Datasat Digital
Entertainment. You do not own the Software, physical copies thereof or any intellectual
property embodied therein.

3. Restrictions. You may not (i) copy, distribute, sublicense, lease, transfer or use for
external purposes the Software; (ii) reverse engineer, decompile, disassemble, translate,
modify, attempt to reveal the source code of the Software, or (iii) create derivative works
from the Software.

4. Termination. Datasat Digital Entertainment may terminate this license at any time if you
violate the terms of this license. Upon termination, you must destroy the Software and
related documentation.

AP20 Installation & Operating Guide Document # 9301H39200 Ver. 1.1

AP20 Installation and Operating Guide Page 10

5. LIMITATION ON WARRANTY. YOU EXPRESSLY ACKNOWLEDGE AND AGREE THAT USE
OF DATASAT DIGITAL ENTERTAINMENT SOFTWARE AND HARDWARE IS AT YOUR SOLE
RISK. DATASAT DIGITAL ENTERTAINMENT DOES NOT WARRANT THAT THE OPERATION
OF THE SOFTWARE OR THE HARDWARE WILL BE UNINTERRUPTED OR ERROR FREE. TO
THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE DATASAT DIGITAL
ENTERTAINMENT SOFTWARE AND HARDWARE PROVIDED “AS IS,” WITH ALL FAULTS
AND WITHOUT WARRANTY OF ANY KIND, INCLUDING, WITHOUT LIMITATION, THE
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSES,
AND NON-INFRINGEMENT OF THIRD PARTY RIGHTS, ALL OF WHICH ARE HEREBY
EXPRESSLY DISCLAIMED.

6. LIMITATION OF LIABILITY. UNDER NO CIRCUMSTANCES, INCLUDING, WITHOUT
LIMITATION, NEGLIGENCE, SHALL DATASAT DIGITAL ENTERTAINMENT OR ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR PERSONAL INJURY, OR
ANY INCIDENTAL, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES WHATSOEVER,
INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, LOSS OF DATA,
BUSINESS INTERRUPTION OR ANY OTHER COMMERCIAL DAMAGES OR LOSSES, ARISING
OUT OF OR RELATED TO YOUR USE OF THE DATASAT DIGITAL ENTERTAINMENT
SOFTWARE OR HARDWARE, HOWEVER CAUSED, REGARDLESS OF THE THEORY OF
LIABILITY AND EVEN IF DATASAT DIGITAL ENTERTAINMENT HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES. IN NO EVENT SHALL DATASAT DIGITAL
ENTERTAINMENT’S LIABILITY EXCEED THE AMOUNT PAID BY YOU TO DATASAT DIGITAL
ENTERTAINMENT. SOME STATES DO NOT ALLOW THE LIMITATION AND/OR EXCLUSION
OF LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE
LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.

7. General. This License shall be governed by the laws of the State of California as applied to
contracts performed wholly therein. In any action brought by either party arising out of
this License, the prevailing party shall be entitled to recover its reasonable attorney’s fees
and costs. If any provision of this License is held by a court of competent jurisdiction to be
unenforceable or if a provision of this License is waived by either party, the remainder of
this License shall remain in full force and effect. You may not assign this License without
the prior, express written consent of Datasat Digital Entertainment.

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AP20 Installation and Operating Guide Page 15

Touchscreen

port

Power button

1.2 Front Panel Controls and Indicators

Adjustment knob

USB

Figure 1: Front Panel Controls and Indicators

The front panel contains the following controls and indicators for operating AP20.

 Power button: Turns the unit on and off

 LCD/Touch Screen: Displays theater system configuration and status and allows

configuration changes. Most selections can be made by touching the screen with your finger
or by using a stylus.

The LCD screen operates in two modes:

o Home screen. The projectionist can select formats and mute volume from this screen.

They can also change the monitor volume and execute manual automation commands
via the popup windows. During playback, the screen displays information about the
content currently being played.

o Setup mode. In menu mode, the screen displays menus for viewing and adjusting

operational settings by the cinema technician. The projectionist does not need to enter
these menus.

 Adjustment knob: Used for fader control and parameter adjustments. On the Home screen,

this knob adjusts the fader level. However, it is used within the setup screens to adjust values,
EQ filter faders, and other values. When the setup screen contains many controls, first set the
focus by touching the control on the display. Then move the knob clockwise to increase the
value, or counterclockwise to decrease the value.

 USB port: Use for software updates and loading and saving of configurations. See topic

Update System Software From USB Device on page 54 for more details.

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Home (Main)

Fader (readout)

Mute (Fader)

Monitor

Volume Control and

Mute

Automation

Manual Control

Select Format

8 buttons on bottom of

screen

Figure 4. Home Screen

 If no messages appear on the touch screen after you have turned on the power switch, check
the following:

 Is the power to the sound rack on? Has the circuit breaker to the audio rack been tripped?
 Is the power cable connected?
 Is the front panel power switch lighted?

Navigating through the Menus

Since the AP20 is equipped with a touch screen display, you can navigate easily through the menus by
touching any button with your finger. A non-abrasive stylus that won’t scratch the screen can also be
used if you prefer.

In all screens but the Home screen, you will be presented with a button menu along the bottom of the
screen. This menu will take you to any other screen within the menu structure with a few touches of your
finger.

Figure 5. Operations Menus

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AP20 Installation and Operating Guide Page 18

User-assigned

Names

User-assigned

1.4 The Home Screen

Channel

Audio Formats

Figure 6. Home Screen

When the system has finished booting up, the Home Screen will appear, as shown in the above
example. Your Home Screen may look somewhat different, due to user-configurable channel
names and audio formats.

The Home Screen of the AP20 provides one-touch access to the following features:

 Fader Volume/Mute
 Audio Formats
 Booth Monitor Volume/Mute
 Manual Automation Control
 Setup Menu
 VU bars for all output channels associated with the current audio format.

1.4.1 Adjusting the Fader

Adjust the fader volume by using the control knob on the front panel. To mute the fader, touch the Mute
button. The button label and fader display will turn red. The button label will also change to “Muted”.

Unmute the AP20 by touching the mute button again, changing format level, or changing formats.

Touch it again to un-mute the fader.

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AP20 Installation and Operating Guide Page 19

Figure 7. Fader Muted

1.4.2 Booth Monitor Volume

When an external powered speaker is connected to the AP20, the level can be controlled using the
monitor volume. To adjust the booth monitor volume, touch the Monitor button. The screen shown in
Figure 7 will appear. Touch the + or – buttons or the control knob to raise or lower the volume.

 Touch the Mute button to mute/un-mute the booth monitor.

 Touch the Mix button to select a channel and adjust the volume from 0 to 10. See Figure 9,

below.

 Touching the Close button will close this screen. The Monitor Volume window will close if

not used within 5 seconds.

Figure 8. Monitor Volume

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AP20 Installation and Operating Guide Page 20

Touch the small button

to select a channel for
monitoring

Figure 9. Monitor Mix

 Select channel(s), then touch the + or – button to adjust volume from 0 to 10.

 Touch the small button next to a channel to select it for monitoring.

 Touch Close to close the Mix window. It also closes automatically after 5 seconds of

inactivity.

1.4.3 Manual Automation

The Automation button opens the automation manual control screen.

Figure 10. Automation Manual Control screen

This screen allows for direct control of automation events in any order, at any time. Once your theater
technician has linked automation events to macros, and macros have been assigned to buttons, you can
trigger any macro by pressing its button on this screen. A maximum of twenty buttons can be assigned.
If no buttons are visible, or there is a need for additional buttons, please contact your theater service
technician.

For details about using macros see the topic Creating a Macro, page 80.

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1.5 Troubleshooting (Operation)

The following table provides troubleshooting data for the AP20.

PROBLEM SOLUTION

AP20 will not power ON Press and release the power button on the front panel. If the

unit will not power up, be sure the rear panel power switch is
ON and the unit is plugged into a working AC outlet protected
by a surge protector. See Powering ON the AP20 Processor,
page 16.

If the AP20 is mounted in a rack and a breaker is used for the
rack, make sure the breaker is ON.

Verify the surge protector is powered and is working.

Try changing the AP20 power cord.

If power is getting to the AP20 but it still will not power ON,
maybe the fuse above the AC In connector (on the rear panel)
is blown. Call a theater technician to check it.

AP20 front panel display is too
dim

No sound in auditorium On the front panel display, verify the Mute button is not muted.

Volume is too low or high in the
auditorium

Volume is too low or high in the
booth

No sound in booth Verify the Monitor is not muted (red). To unmute, touch the

Wrong sound in auditorium Verify the AP20 is in correct format. (The current format is

The front panel display automatically dims when not touched for
a few seconds. Gently touch the display screen to brighten it.

If it is muted, touch it to unmute it.

Be sure the fader level is not zero (0) or red. If it is zero, then
turn the knob to increase the volume. If it is red, then unmute
the AP20 by touching the Muted button.

Verify the AP20 is in the correct format.

Turn the fader knob to achieve proper volume.

Touch the Monitor button to open the Monitor window, then
touch the + or – to adjust the monitor volume.

Monitor button, then touch the red Muted button.

Verify a powered speaker is connected to the AP20 rear panel.

Verify the speaker’s power is ON.

Adjust the monitor volume (see previous entry).

highlighted in the bottom row of the display.) Touch a different
format to select. If the format you want is not listed, it has not
been set up – contact your theater technician.

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AP20 Installation and Operating Guide Page 22

Part 2: Installation and Setup

This part of this manual contains information the theater technician needs to set up and configure the
AP20 Audio Processor.

2.0 INSTALLATION AND SET UP 24

2.1 I

NSTALLATION CHECKLIST 24

2.2 U

2.2.1 P

2.3 I

2.4 AP20

2.5 C

2.5.1 R

2.5.2 P

2.6 A

2.6.1 C

2.7 F

2.7.1 P

2.7.2 D

2.7.3 D

2.8 AP20

2.8.1 E

2.8.2 S

2.8.3 T

2.8.4 A

2.8.5 H

2.8.6 V

2.9 B

2.9.1 S

2.9.2 P

2.10 S

2.11 C

2.12 F

2.13 C

2.14 S

2.15 U

2.16 AP20

NPACKING SYSTEM COMPONENTS 25

RELIMINARY INSPECTION 25

NSTALLATION OVERVIEW 25

REAR PANEL CONNECTIONS 25

HASSIS RACK MOUNTING AND CONNECTION 27

ACK MOUNT RECOMMENDATIONS 27

OWER SUPPLY 27

BOUT FORMATS 28

REATING AN AUDIO FORMAT 29

ACTORY PRESETS 30

RESET FORMATS 30

EFAULT EQ 31
EFAULT CHANNEL PROFILES 31

CONFIGURATION AND SETUP 32

QUIPMENT REQUIREMENTS 32
ETTING AND ADJUSTING AUDIO OUTPUT LEVELS 32
HEATER EQUIPMENT CHECK 32

SSIGN CHANNELS ON AP20 33
EARING IMPAIRED OUTPUT 35
ERIFY CHANNEL ASSIGNMENTS IN AUDITORIUM 35

CHAIN ALIGNMENT USING 1/3 OCTAVE EQ 35

ET LEVELS TO ESTABLISH A BASELINE 37
ERFORM THE EQ 38

UBWOOFER EQ – PARAMETRIC EQ 40

OPY EQ SET TO ANOTHER EQ SET 41

INAL ADJUSTMENTS 42

OPY FORMAT 42

ETTING UP MULTIPLE SCREENS 42

SING DIRAC LIVE® TO TUNE THE AUDITORIUM 42

PLAYBACK SOUND CHECK 43

3.0 HOW-TO PROCEDURES FOR SETUP 43

3.1 E

XAMPLE: CREATING A FORMAT 44

4.0 SETUP MENUS 45

4.1 T

4.2 S

4.2.1 A

4.2.2 U

4.2.3 S

4.2.4 A

4.2.5 V

4.2.6 S

AP20 Installation & Operating Guide Document # 9301H39200 Ver. 1.1

HE MENU BUTTON 49
YSTEM SETUP SCREEN 49

SSIGN FADER LEVEL TO A FORMAT 50
PDATING YOUR AP20 SOFTWARE 52

AVING AND RESTORING CONFIGURATION FILES 54

CCESS CONTROL 56
IEW LOG FILE 57

YSTEM INFO 58

AP20 Installation and Operating Guide Page 23

4.2.7 VERSION, SERIAL NUMBER, AND MAC ADDRESS 58

4.2.8 S

4.3 F

4.3.1 C

4.3.2 S

4.3.3 E

4.3.4 A

4.3.5 I

4.3.6 F

4.3.7 EQ

4.3.8 C

4.4 N

4.5 A

4.5.1 C

4.5.2 S

4.5.3 A

4.5.4 A

4.5.5 A

YSTEM MONITOR 58

ORMATS 59

URRENT AUDIO FORMAT 59
TARTUP FORMAT 59
DIT FORMATS 60

SSIGN FORMAT BUTTONS 61

NPUT SOURCE 62

ORMAT OPTIONS 63

SETUP 67

HANNEL PROFILE 73

ETWORK 79
UTOMATION 80

REATING A MACRO 80
ERIAL EVENTS 88

UTOMATION BUTTONS 92

UTOMATION TEST SCREEN 93

UTOMATION SERIAL PORT SETUP 94

5.0 MAINTENANCE AND TROUBLESHOOTING 95

5.1 R

5.2 T

5.3 E

ROUBLESHOOTING 95
RROR MESSAGES 96

5.3.1 S

5.3.2 E

OUTINE MAINTENANCE 95

OFTWARE INSTALLATION 96
RROR BOOTING THE AP20 97

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AP20 Installation and Operating Guide Page 24

2.0 Installation and Set Up

2.1 Installation Checklist

This checklist summarizes the installation and setup procedures for the AP20.

Table 3: AP20 Installation and Setup

Completed Task Description Refer to:





























Install AP20 in Equipment Rack Chassis Rack Mounting and Connection,

pg. 27

CONNECT CABLING:

Power Cable

Audio input cables to AP20 (Depends on audio sources)

Audio output cable from AP20 Analog Out
to Audio Power Amps

Automation cabling Appendix B, Interface Wiring Diagrams.

ADJUST AND TEST

Theater Equipment Check Check speakers, amplifiers, auditorium

Assign channels On AP20: Menu > Format > Channel

Verify channel assignments Listen in auditorium

Set levels to establish a baseline Set levels to establish a baseline, pg. 37

Perform the EQ Perform the EQ, pg. 38

Perform Subwoofer Parametric EQ Subwoofer EQ – Parametric EQ, pg. 40

Final Adjustments (fine tuning) Final Adjustments, pg. 42

Verify Sound Performance Listen in auditorium

Set up macros for automation Creating a Macro, pg. 80

Appendix B, Interface Wiring Diagrams.

conditions

Theater Equipment Check, pg. 32

Profile > Channel Names

Assign Channels on AP20, pg. 33

Verify Channel Assignments in
Auditorium, pg. 35

SYSTEM SECURITY





Save AP20 configuration to USB flash
drive

Set Password to Prevent Unauthorized
Access, if Appropriate.

AP20 Installation & Operating Guide Document # 9301H39200 Ver. 1.1

Saving and Restoring Configuration
Files, pg. 54

Access Control, pg. 56

AP20 Installation and Operating Guide Page 26

ITEM

DESCRIPTION

ITEM

DESCRIPTION

22 9 11

12

10

13

14

15

23 1 2 3 5 6 8 4 7

21

18

20

19

16

17

Figure 11. AP20 Rear Panel

Table 4. AP20 Rear Panel Connections

1 Power Entry Module/Power Switch 12 Digital Audio In (CH 1 – 8) – DB25F

2 Option Card Slots (3) 13 Digital Audio In (CH 9 – 16) – DB25F

3 Automation GPIO – DB25F (sends/receives

pulses to/from automation system)

4 HDMI In (4) 15 Digital Audio Out (CH 9 – 16) – DB25M (for use in

5 Control (RS232) – DB9F (serial automation

control)

6 Service Port (RS232)– DB9F (used for

production tests)

7 Ethernet – RJ45F (Network connection for

VNC and software updates when connected to
the internet)

8 HDMI Out (1) 19 Monitor Out – RCA (connect to externally-powered

9 S/PDIF In - RCA Female (connect a DVD

player or play station, etc. in a home theater
environment)

10 Audio In (A) – Optical TOS Link (connect a

DVD player or play station, etc. in a home
theater environment)

11 Audio In (B) – Optical TOS Link(connect a

DVD player or play station, etc. in a home
theater environment)

23 Microphone In – XLR F (connect microphone for

14 Digital Audio Out (CH 1 – 8) – DB25M (for use in

environments with amplifiers that can handle digital out
– see note below this table)

environments with amplifiers that can handle digital out
– see note below this table)

16 Analog Audio Out (CH 1 – 8) – DB25M (connect to

amplifiers)

17 Analog Audio Out (CH 9 – 16) – DB25M (connect to

amplifiers)

18 Stereo Input 1 – RCA (could be used for pre-show,

intermission music, etc.)

amplified speaker in projection booth)

20 Hearing Impaired Audio Out – RCA

21 Stereo Input 2 – RCA same as 18

22 Analog Audio In – DB25F

auditorium audio output tuning during setup or for public
address announcements)

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AP20 Installation and Operating Guide Page 27

A note about Digital Out

Most theaters use ANALOG OUT because there are no amplifiers (at this time) that take

digital audio inputs. It is possible to have DIGITAL IN to the AP20 and ANALOG OUT.
DIGITAL OUT capability may be implemented only in some high-tech recording studios,
mixing stages, etc.

2.5 Chassis Rack Mounting and Connection

The AP20 chassis requires 3U of standard rack space for proper mounting.

Caution: Because power line surges can damage the AP20, we require the use of a

properly functioning computer-grade surge /spike suppressor. We also recommend using an
uninterruptible power supply (UPS).

1. Install the AP20 into the audio rack, securing it properly with rack screws.

2. Connect the AP20 to other equipment (see appendices: A Connector Pin-outs, B Interface

Wiring Diagrams, and C AP20 Wiring and Block Diagrams).

3. Connect the supplied power cable between the AP20 unit and the AC mains source.

2.5.1 Rack Mount Recommendations

Follow these recommendations if the AP20 unit will be installed in a closed or multi-unit rack assembly.

 Determine the maximum and ambient temperatures within the rack, since they may be greater

than the maximum and ambient temperatures in the room. The maximum temperature for the
equipment in a closed or multi-rack assembly is 40°C (104F°)

 Ensure adequate airflow for cooling purposes on all sides of rack-mounted equipment. Make

sure that the ventilation fan is not blocked.

 Check nameplate ratings to ensure there is no overloading of supply circuits that could have

an effect on over-current protection and supply wiring.

 Maintain reliable grounding of the equipment. Give particular attention to supply connections

when connecting to power strips, rather than direct connections to the branch circuit.

 Using a properly functioning quality surge protector is required to protect the unit. Using an

uninterruptible power supply is also recommended.

2.5.2 Power Supply

The AP20 power supply automatically switches itself to accommodate AC input between 110 VAC and
220 VAC.

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EQ SETUP

DIRAC OPTIMIZATION

3RD OCTAVE EQ

PARAMETRIC EQ

BASS/TREBLE

CHANNEL LEVEL

CHANNEL PROFILE

INPUT CHANNEL NAMES

INPUT CHANNEL DELAY

CROSSOVER CONFIGURATION --

OUTPUT ROUTING, HIGH/LOW

PASS FILTERS

INPUT SOURCE

SOURCES

FORMAT OPTIONS

GLOBAL DELAY

NONSYNC INPUT LEVEL

CHANNEL ROUTING FOR

MICROPHONE

SYSTEM NETWORK AUTOMATION

FORMAT

GLOBAL SETTINGS

DISCRETE SETTINGS

CHANNEL ROUTING FOR

2-CH INPUTS

EXTENDED SURROUND

CHANNEL OPTIONS

HDMI OPTIONS

2.6 About Formats

The AP20 facilitates the process of creating customized audio formats, in addition to providing

a set of pre-build formats that are ready to use.

The buttons along the bottom of the AP20 Home screen are the default formats or formats that

have been created by the installation technician for a particular application. Each format

consists of a set of discrete settings: an Input Source, Format Options, EQ settings, and Channel

Profile, as illustrated below (Figure 12).

System setup, Network and Automation are global settings that affect all formats.

Figure 12. Global Settings and Format Discrete Settings

Menu > Formats

In the Audio Format Setup screen, four options appear along the bottom: Input Source, Format

Options, EQ Setup, and Channel Profile.

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Figure 13. Audio Format Setup Screen

2.6.1 Creating an Audio Format

This is an overall summary of the procedure for creating an audio format.

 Under Audio Format Setup screen: assign the format to a button.

 Input Source screen: select the audio input.

 Format Options screen: set global delay and other options, depending on format.

 Channel Profile screen: set channel names, audio levels, and crossover settings.

 EQ Setup screen: set up Third Octave EQ, Dirac, or Parametric EQ.

The following is an example of a format configuration.

Audio Format:

 Home screen button name: Digital Cinema

 Audio format name: Digital Cinema

 Input source: Digital Ch: 1 – 16

 Options: Global Delay, setting 000ms, Extended Surrounds, setting Ls, Rs

Audio Profile:

 Channel Names: Ch1 L, Ch2 R, Ch3 C, Ch4 LFE, Ch5 Ls, Ch 6 Rs

 Crossover: Ch1 – Ch 6 settings done during setup – calibration, if needed

Audio EQ:

 Dirac: Enabled or disabled depending on setup and calibration

 Audio Levels: Ch1 – Ch6 settings done during setup – calibration, if needed

 Third Octave EQ: Calibrated adjustment made by qualified technician

 Parametric Equalization: Calibrated adjustment made by qualified technician

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2.8 AP20 Configuration and Setup

This section describes procedures for AP20 audio level adjustment and sound performance

verification.

B-Chain alignment will be performed differently depending on whether the (optional) Dirac

Live®Theater Setup application or the AP20 1/3 Octave EQ room tuning function is used. In

fact, Dirac Live

is used to tune the room and then the 1/3 Octave EQ is used afterwards to make some changes

to specific frequencies.

2.8.1 Equipment Requirements

Complete checkout and adjustment of the AP20 unit requires the following equipment (not

provided by Datasat Digital Entertainment unless otherwise noted):

 a single microphone or multiplexed microphones, connected to an RTA
 SPL meter
 Real Time Analyzer (RTA)
 Laptop computer running VNC for wireless communication with AP20
 (Optional) Datasat AP20 Dirac Live
 (Optional) Wireless router such as the Linksys WRT54GL or similar installed on AP20

Ethernet port (if connecting to laptop in auditorium). NOTE: Wired connection to the
network will work as well, if the physical connection can be made.

®

can be used in conjunction with 1/3 Octave EQ, in a case where Dirac Live®

®

configuration software

2.8.2 Setting and Adjusting Audio Output Levels

The AP20 Audio Processor is designed to accommodate remote operation. For this reason, we

highly recommend the use of a laptop computer for adjusting room EQ. The laptop computer

must be equipped with a wireless network card in order to take advantage of the remote

operation feature. You will also need a wireless router (not supplied by Datasat) such as the

Linksys WRT54GL or similar. This device should be connected to the Ethernet connector on

the AP20.

The laptop computer uses a Virtual Network Connection (VNC) to communicate with the

AP20. The front panel touch-screen display of the AP20 will appear on the laptop screen, but

will not function as a touch-screen. Use the laptop’s cursor and arrow keys to make selections.

2.8.3 Theater Equipment Check

Prior to adjusting the EQ, please check all of the components in the audio system for proper installation
and operation.

2.8.3.1 Speakers

 Check that all speakers are properly mounted and secured. Ensure there are no loose parts

or mounting hardware left around the speakers that could be a source of noise or rattles.

 Check the aiming of all speakers. Verify there are no obstructions in front of the speakers.

For stage channels, ensure that the masking, screen frame, and sound wall do not block the
speakers.

 Speaker cables are correctly secured to the speakers and are of a suitable gauge.
 Verify each speaker has no missing or open drivers.
 Check that all speakers are connected to the correct channel.

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2.9.1 Set levels to establish a baseline

 In the auditorium, confirm that all amplifiers are ON, mute is OFF, and masking and

curtains are opened.

 Use a high-quality, calibrated SPL meter in the auditorium.

Menu > Format > Channel Profile > Analog Output Levels

 Set the Fader to 7.0. That’s the standard reference level.

 Run Pink Noise on each channel, one by one.

 First, by adjusting the amplifiers, try to achieve the baseline levels. Set the SPL levels

according to the chart below.
Note that SPL readings for screen and surroundings should be measured un-weighted, or C­weighted, with the meter set to slow.
Use an RTA to calibrate the proper level setting of the subwoofer.

Table 10: SPL levels

Channel Description SPL

1 Left 85 dB

2 Right 85 dB

3 Center 85 dB

4 Sub bass 91 dB*

5 Left Surround 82 dB

6 Right Surround 82 dB

7 Back Surround 82 dB

8 Left Center 85 dB

9 Right Center 85 dB

* Subwoofer should be set to 10 dB of in-band gain
(see SMPTE RP-200), which equates to approximately 91 dBC (slow).

 If not possible to achieve the baseline, use the AP20 (Analog Output Levels) to make minor

adjustments.

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2.9.2 Perform the EQ

If using Dirac Live, please refer to the Dirac Live Theater Setup manual. For an overview, see

Using Dirac Live® to Tune the Auditorium, page 42.

The AP20 contains a full suite of 1/3 Octave EQ filters that are “traditional” cinema processor

filters. If using AP20 1/3 Octave EQ, complete the following steps.

Menu > Formats > EQ Setup > Third Octave EQ

Figure 17. Third Octave EQ Screen

NOTE: Touching a green bar in the EQ section (lower panel) will select that frequency

and allow you to adjust the dB level of that frequency by rotating the fader knob. (On the

laptop running AP20 Proxy, use the up/down arrow keys.)

 Use a single or multiplex microphone arrangement in the auditorium. A typical scenario is

four mics feeding into a multiplexer.

 Use the RTA on the AP20 (Third Octave EQ screen) with the mic or multiplexer plugged into

the AP20 rear panel, or use a separate RTA (in the auditorium) with the mic or multiplexer
plugged into the RTA, which plugs into your laptop.

Using a separate RTA in the auditorium avoids the necessity of running cables through the

projection booth port and down into the theater. Use a third-party VNC software application
on your laptop to establish a wireless connection with the AP20, and perform the EQ as
described in the steps below.

 If the microphone is connected to the AP20, select Input Mic in the Third Octave EQ screen.

If the microphone is connected to the RTA in the auditorium, select Input LineIn.

1. Select a channel to start with (for example: the L channel).

2. Turn ON Pink Noise.

3. Turn ON 1/3 Octave EQ.

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4. Examine the response on the RTA (whichever RTA the microphone is attached to).

5. Turn on XCurve Display. Try to tune the frequency pattern to the XCurve. If the pattern does
not conform – there is a hole or a peak or other variance – then select the frequency that needs
adjusting, and push it down or pull it up.

6. Select a frequency in the lower panel by touching the yellow bar for the specific frequency.

7. Use the adjustment knob to adjust the frequency up or down.

8. Repeat the above for each channel except the subwoofer (LFE).

2.9.2.1 A note about XCurve

XCurve is the roll-off; it is how theaters are supposed to be tuned. The XCurve is flat all the
way out to 2K, and then there is a 3dB roll-off per octave. The Third Octave EQ screen offers
three ways to look at the XCurve. XCurve is appropriate for both film playback and digital
cinema.

 XCurve Off is just the natural display that gives you a flat response.

 XCurve Offset adds the 3dB per octave roll off starting at 2K. When in this mode you

should adjust the response flat.

 XCurve Display (shown below) shows the guidelines. The two narrow lines are the plus

and minus range of 3dB that is allowable. The heavier center line is the optimal level.

The scale (y-axis) on the left edge of the RTA is adjustable. Touch the scale and it will cycle
through several different scales. You can also adjust the scale by touching the RTA Options
button, which displays a control dialog.

Menu > Formats > EQ Setup > Third Octave EQ > XCurve Display

Figure 18. XCurve Display at +/- 6dB Scale

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2.16 AP20 Playback Sound Check

After installing and setting up the unit—or doing a maintenance check—it is a good idea to
play content and stand in the theater while listening to the first few minutes of the movie.
Check for the following

 The overall sound level is comfortable and balanced.

 The soundtrack quality is excellent and does not include extraneous noise.

 The dialog is in sync with the picture being projected.

 The surround speakers are heard at the correct level. (Please note that not all scenes will

have surround material.)

To adjust the overall sound level in the theater, adjust the main fader on the audio processor.

3.0 How-To Procedures for Setup

This table provides a list of setup activities and provides instructions or a link to instructions elsewhere
in this manual.

Table 11. Setup Procedures

ACTIVITY INSTRUCTIONS

Assign a Format button See 4.3.4 Assign Format Buttons, page 61.

Unassign / delete a Format
button

Configure power-on Format
(Startup Format)

Assign fader level to a Format
or set global fader for all
Formats

Create a Format See 3.1 Example: Creating a Format, below.

Assign Channel Names and Vu
meters

Set Non-sync Level and Non­sync Routing

USB Save / Restore / Load See 4.2.3 Saving and Restoring Configuration Files, page 54.

Load a personalized screen
saver

See 4.3.4 Assign Format Buttons, page 61 – select the button
and assign a “blank” format to it.

See 4.3.2 Startup Format, page 59.

See 4.2 System Setup Screen, page 49 topic “Fader Control”,
and see 4.2.1 Assign Fader Level to a Format, page 50.

For detailed information about Formats, see 2.6 About Formats,
page 28.

See 4.3.8.3 Channel Names, page 75.

See 4.3.6.3 NonSync Level and Routing, page 65.

See also 4.2.1 Assign Fader Level to a Format, page 50.

See 4.2.3 Saving and Restoring Configuration Files, page 54. To
set screensaver time and mode, see 4.2 System Setup Screen,
page 49.

Set up Global Audio Delay for a
format

Set up Multiple Surround
Channels

AP20 Installation & Operating Guide Document # 9301H39200 Ver. 1.1

See 4.3.6.1 Global Delay, page 64.

For digital cinema format, see 4.3.6.2 Extended Surround
Options, page 65.

AP20 Installation and Operating Guide Page 44

Set up HDMI option For digital cinema format, see 4.3.6.4 HDMI Options, page 66.

View AP20 System information See 4.2.6 System Info, page 58.

Update AP20 software See 4.2.2 Updating Your AP20 Software, page 52.

3.1 Example: Creating a Format

Prior to creating a format, it is necessary to identify the following:

 Input source

 Format option

 EQ set up

 Output channel profile name

The following example describes how to create “non-sync 2” format, with stereo input, global delay of 0
ms, assignment of eq and audio profile.

1. Open the Audio Format Setup screen.

Menu > Formats

2. Next select Edit Formats. The Audio Format Edit screen displays.

3. On the left side choose the Copy Format radio button.

4. Under Copy Format From select Nonsync.

5. Touch the blank box under to Format. A keyboard will appear.
Type in Nonsync 2, then select OK. The Audio Format Edit screen will return.

6. Touch the Copy button.

The screen will now change to Audio Format Setup.

7. Select Assign Buttons and the Format Button Assignments screen will display. Select an
unused button number from the Buttons drop down menu. In this example select button 3.

8. Next from the Assign drop down list, select Nonsync 2. Then touch the Assign button on the
right side of the screen. In the Current Assignments listing on the screen, Button 3 will now be
assigned to Nonsync 2.

9. At the bottom of the screen, touch the Formats button to return to the Audio Format Setup
screen.

10. Select the Input Source button. This will open the Input Select screen.
The right side of the screen should display “Current Format: Nonsync2”.
If it is not displayed, return to the Audio Format Setup screen by selecting the Format button
and selecting Nonsync 2 in the Current Audio Format drop down menu. Return to the Input
Select screen by touching the Input Source button.

11. In the Analog input section, touch the NonSync1 L/R option to change it to NonSync2 L/R.
Then touch the Formats button to return to the Audio Format Setup screen.

12. In the Audio Format Setup screen, select the Format Options button to go to the Format
Options screen.

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13. In the Format Options screen, you can (if necessary) set the Global Delay for the selected
format.
Select the Nonsync Level and Routing button to change input gain and routing of the Nonsync
signal.
Touch the Formats button to return to the Audio Format Setup screen.

4.0 Setup Menus

On the next three pages, you will find a menu diagram for the AP20. This chapter contains a
detailed of all the screens under the "Menu" selection of the home page. Refer to section 1.4 for
all operations under the "Home" screen.

For information on AP20 System Setup configurations, see section 4.2.
For information on Audio Format setup and changes, see section 4.3.
For information on Network connections and changes, see section 4.4.
For information on Automation events, cues, macros and assigning buttons, see section 4.5.

The full menu structure of the AP20 is shown on the next three pages.

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System

Setup

Home (Main)

Fader (readout)

Mute (Fader)

Monitor

Volume Control and

Mute

Automation

Manual Control

Menu

Select Format

Formats

Network Automation

Screensaver

Time

Screensaver

Mode

Digital Out Clock

Rate

Output Mapping

Fader Control

LCD Brightness

Update System

Software

USB Save/

Restore

Access Control

View Log file

System Info

Update from Network

or from USB Device

Save/Load AP20

Configuration

NetCmd Password

Setup Password

AP20 software version, circuit board temps,

board ID info, board voltage levels

See next page See 3rd page See 3rd page

10 buttons on bottom

of screen

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AP20 Installation and Operating Guide Page 47

Home (Main)

Menu

Formats

Current Audio Format

(select)

Edit Formats

Copy Format

Copy Preset to Format

Rename

Delete

Assign Buttons

Format Button Assignm ent

Input Source

Select from digital or analog

audio sources

Modify parameters for

current format

Format Options

Global Delay

Extended Surround Options

EQ Setup

Current audio format

Current Audio EQ

Edit EQs
Copy EQ

Copy Preset to EQ

Rename

Delete

Dirac Optimization

(if installed)

Third Octave EQ

Parametric

Equalization

Channel Select

Pink Noise On/Off

1/3 Oct Eq On/Off

Input LineIn /
LineOut / Mic

XCurveOff / Offset /

Display

RTA Options

Range, Leveraging,

Mic Level / Power

Level Slider

Bass Slider

Treble Slider

Channel Select

Pink Noise On/Off

Input LineIn /
LineOut / Mic

XCurveOff / Offset /

Display

RTA Options

Range

Averaging

Mic Level /

Power

Filter

1, 2, or 3

Filter Enabled

Freq

Q

Gain

Channel Profile

See 3rd page

Startup Format

Graphical 3rd

Octave EQ

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Home (Main)

Menu

Network

Network Mode
Current IP Address
Other IP addresses

Automation

Macros, Macro Edit,

Events, Buttons, Serial

Output Channel Profile

Current Audio

Profile Select

Edit Profiles

Copy Profile

Copy Default to Profile

Rename

Delete

Channel Names

Vu Meter Selection

Analog Output

Levels

Channel Mute

Analog Output Level

Output Invert
Output Delay
Monitor Level

Digital Volume

Routing /

Crossovers

Formats

Output Channel Routing

High / Low Pass Filters

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Turn adjustment

Provides access

4.1 The Menu Button

The Menu Button is intended to be used by theater technicians only. Password protection is highly
recommended.

Selecting the button will cause one of the following screens to appear, based upon last use:

to Setup Menus

Figure 23. The Setup Menu Bar

This menu bar will always be available near the bottom of every screen in the AP20, with the exception
of the Home screen. The active screen button is displayed in a different color from the others.

In the next section, we will discuss in detail the options available through the menu bar.
Pressing the Home button will take you back to the Home or Main screen.

4.2 System Setup Screen

Menu > System Setup

knob to adjust
brightness

Figure 24. System Setup Screen

The following options are available directly from this screen.

ScreenSaver Time - Options include a 10 second delay, 1 minute delay, or 5 minute delay
before screen saver initiates.

ScreenSaver Mode - Disabled, Dim Screen, or Graphic.

 Disabled will turn off the screen saver.

 Dim Screen will reduce the LCD brightness after the time specified in the ScreenSaver

Time drop-down menu. Touching the screen or turning the adjustment knob will restore
the brightness.

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