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Broadcast Tools

®

ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Control Switcher

Table of Contents

Section Title

Page #

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Who to Contact for Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Function Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Setting Operation “Dip” Switches:. . . . . . . . . . . . . . . . . . . . . . . . 10
Power-Up Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Connecting Inputs/Outputs/Relays . . . . . . . . . . . . . . . . . . . . . . . . 12
Adjusting Input and Output Levels . . . . . . . . . . . . . . . . . . . . . . . 13
Input Channel Expansion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Remote Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Connecting the Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Set-up Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Output Port Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
“PIP” Connector Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Schematic and Component Layout . . . . . . . . . . . . . . . . . . . . Appendix

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TABLE OF CONTENTS

Summary of Contents for ACS 8.2

Page 1: ...contained in this document is subject to change without notice Broadcast Tools Inc assumes no responsibility for errors and or omissions contained in this document Revisions of this information or ne...

Page 2: ...ion Description 5 Installation Guidelines 10 Inspection 10 Setting Operation Dip Switches 10 Power Up Feature 11 Mounting 12 Connecting Inputs Outputs Relays 12 Adjusting Input and Output Levels 13 In...

Page 3: ...echnical support department SAFETY INFORMATION Only qualified personnel should install Broadcast Tools products Incorrect or inappropriate use and or installation could result in a hazardous condition...

Page 4: ...on volatile memory Internal audio activity silence sensors monitor both output channels Each is equipped with front panel ACT SS LED indicators separate spdt alarm relays adjustable alarm delay and re...

Page 5: ...furnished for headphone monitoring of the two output channels Input channels may be pro grammed for the following operations Overlap Overlap one audio source with another while the button for the sec...

Page 6: ...r SS 2 spdt relay is closed for the duration of the silence and the corresponding SS 1 or SS 2 LED is lit for duration of silence Serial data is sent on either the loss or restoration of audio The sen...

Page 7: ...y be set from 100msec to 9 9 seconds The default pulse length is one second The relays may be set for MPX mode In the MPX multiplex mode the relay follows the associated input channel on output two 8...

Page 8: ...on ACS 8 2 Front Panel switch operation Action Result Push any channel button Channel is connected to output 1 To mute the active channel simultaneously hold down the mute switch while pressing the in...

Page 9: ...osition PGM SW17 dipswitch The dip switch specifies audio modes mix interlock overlap 2 bit unit ID baud rate and other features listed below Access to this switch is near the front panel Follow the d...

Page 10: ...ault 9600 4 OFF Baud rate 5 OFF Stereo Audio Switching Default Overlap 6 OFF Stereo Audio Switching 7 OFF Power up modes Default Save selection via PGM button 8 OFF Open collectors in remote mode Defa...

Page 11: ...l the switch engage 3 When the switch has been engaged the 16 input LED s will blink indi cating the power up selection has been programmed With SW17 7 ON The last source selected will be remembered a...

Page 12: ...insert the conductor into the terminal and screw down the capture screw The termi nals accommodate wire sizes from 16 28 AWG solid or stranded wire Connections may be made to the and inputs for balanc...

Page 13: ...Control Most front panel functions of the ACS 8 2 may be remote controlled via the pluggable screw connectors located on the rear panel The ACS 8 2 accepts momentary contact closures open collector o...

Page 14: ...Two ACS 8 2 s To A Single Computers Serial Port Multiple ACS 8 2 s may be cascaded serially to operate from the same serial port The first step is to assign ID s to each ACS 8 2 One sugges tion is to...

Page 15: ...mode commands starts with an asterisk Next is a single decimal digit that corresponds to the unit ID address 0 3 Following that are one or more ASCII characters specifying the com mand No carriage re...

Page 16: ...mand with EEE If the command is sent correctly the unit will reply with RRR uCDEF Set factory defaults uCIIttt Set PIP Programmable Pulse Stretcher Input Duration ttt 000 255 hundredths of seconds 255...

Page 17: ...at have changed since the last end overlap command was issued uB a a a a a a a a Sets inputs ignoring mode A All OUTPUTS OFF B Output 1 C Output 2 D Outputs 1 2 Example 0B B C D A A A A A Input 1 to o...

Page 18: ...cted to inputs 1 and 3 uSPii Send single input GPI PIP status Response is SuP ii x where x is 1 if the corresponding input is high 0 otherwise uSPA Send ALL input GPI PIP status Response is SuP A x x...

Page 19: ...Row TB 6 Monaural Output Top Row Output 1 Output 1 Gnd Output 2 Output 2 Ext 1 Input Left Ext 1 Input Right Gnd Ext 2 Input Left Ext 2 Input Right External Expansion Inputs Bottom Row TB 7 The bottom...

Page 20: ...e state NOTE In burst mode momen tary timing on each relay can be set from 1 to 9 9 seconds TB 8 The bottom connector has two functions depending on the position of SW17 10 Right hand 16 position conn...

Page 21: ...talk 80 dB 1khz 55 dB 10 kHz from adjacent off channel Mix Input Unbalanced summing inputs 10k 0 dBu Switching Method Digitally controlled professional level analog switch arrays and DAC s Logic Micro...

Page 22: ...A AR RR RA AN NT TI IE ES S O OR R R RE EM ME ED DI IE ES S TO THE MAXIMUM EXTENT PERMITTED BYAPPLICABLE LAW BROADCAST TOOLSAND ITS SUPPLIERS DISCLAIMALL OTHER WARRANTIES EITHER EXPRESS OR IMPLIED INC...

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