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®
Installation and Operation Manual
Broadcast Tools
®
ACS 8.2
Eight Input, Dual Output Stereo Matrix Audio Control Switcher
Software Version 1.37 or above
Manual update 12/16/2004
ALL SPECIFICATIONS AND FEATURES FOR THIS PRODUCT ARE SUBJECT
TO CHANGE WITHOUT NOTICE
Due to the dynamic nature of product design, the information 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 new editions may be issued to incorporate such changes.
Broadcast Tools® is a registered trademark of Broadcast Tools, Inc.
Copyright, 1989 - 2005 by Broadcast Tools, Inc. All rights reserved.
No part of this document may be reproduced or distributed without permission.
Visit www.broadcasttools.com for important product update information.
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Summary of Contents for Broadcast Tools ACS 8.2
- Page 1 TO CHANGE WITHOUT NOTICE Due to the dynamic nature of product design, the information 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 new editions may be issued to incorporate such changes.
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Page 2: Table Of Contents
Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Control Switcher Table of Contents Section Title Page # Introduction ..........3 Safety Information . -
Page 3: Introduction
DUAL OUTPUT STEREO MATRIX AUDIO CONTROL SWITCHER (referred Products, as with any to as the ACS 8.2 throughout this manual). We’re confident that this product will electronic device, can give you many years of dependable service. This manual is intended to give you all fail without warning. -
Page 4: Product Description
2 stereo plus 2 mono outputs. Any input assigned to output one has fading capabilities. Matrix switching allows any/or all inputs to be assigned to any/or all outputs. The ACS 8.2 may be controlled via front panel switches, contact closures, 5-volt TTL/CMOS logic and/or the multi-drop RS-232 serial port. Installation is simplified with removable screw terminals (Euro). -
Page 5: Function Description
ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Control Switcher FUNCTION DESCRIPTION Front Panel: The ACS 8.2 is a 1-rack unit device (19”w x 1.75”h x 10”d). The front panel sup- ports fourteen selection switches, 23 LED indicators, headphone selection switch, headphone jack and headphone level control. - Page 6 “ACT” Audio Activity Sensors: The ACS 8.2 contains individual audio activity sensors for each of stereo output channels. For each channel, a detector monitors the sum of each stereo channel. The factory default delay is set at 10 seconds, with a threshold of -37 dB, while the restore time is set at 10 seconds.
- Page 7 ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Control Switcher Relay Outputs, 8 Port Output Control: The ACS 8.2 contains 8 spdt relays. Each relay may be latched on, latched off or momentarily turned on by a non-dedicated computer. The “pulse” time may be set from 100msec to 9.9 seconds.
- Page 8 Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher FUNCTION DESCRIPTION Front Panel Switches: Switch(es) Function 1 - 8 for each input Input Channel 1 - 8. Mute Mute either or both Outputs. Used as a safety switch. May Enable be enabled by removing JP3.
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Page 9: Inspection
Inspection: Please examine your ACS 8.2 carefully for any damage that may have been sus- tained during shipping. If any is noted, please notify the shipper immediately. Retain the packaging for inspection by the shipper. The package contains the ACS 8.2, power transformer, Installation manual and a reversed modular serial cable with... -
Page 10: Installation Guidelines
Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher INSTALLATION GUIDELINES DIP (SW-17) “PGM” Switch Functions Switch Default Function Number Setting Add 1 to Address (Default ID = 0) Add 2 to Address Baud rate (Default = 9600) -
Page 11: Power-Up Feature
Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher INSTALLATION GUIDELINES Power up Mode DIP Switches SW17-7 Function Front Panel “PGM” Switch Last Source Selected Power-Up Feature: Refer to the DIP Switch SW17-7 to select which power up feature. If SW17-7 is OFF, follow the steps below: 1 - Select the input/output configuration required at power up. -
Page 12: Mounting
Mounting: In no case should The ACS 8.2 is designed to be rack mounted in a standard 19” rack. It either the + or - out- should be mounted in an area that is accessible from the rear and prefer- puts be connected to ably away from sources of heat. -
Page 13: Adjusting Input And Output Levels
LED’s. Refer to the connector layout on page 18 of this manual. If the ACS 8.2 is to be used as a switcher in a automation system, these same inputs (PIP) can monitor external contacts and convert these con- tacts to serial strings used by most automation systems. - Page 14 The first step is to assign ID’s to each ACS 8.2. One sugges- tion is to assign 1 to the first ACS 8.2 and 2 to the second switcher. The second step is to parallel the serial ports of the ACS 8.2’s. Plug the male...
- Page 15 Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher INSTALLATION GUIDELINES Menu Mode: The command to enter menu mode starts with an asterisk (“*”) followed by the device (ID) address as a single decimal digit, then the MM command. NOTE: Commands typed will NOT be seen, unless you turn “Echo ON”...
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Page 16: Set-Up Commands
Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher INSTALLATION GUIDELINES Glossary Of Command Notation: Allowable Meaning Character String Values Unit ID Input Number 01-08 Output Number Output Relay Open Collector Set-up Commands: *uMM - Open up Menu... - Page 17 Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher INSTALLATION GUIDELINES NOTE: Relay and Open Collector Commands: Only one at a time can *uORrF - Unlatch output relay “r” be pending per output. *uORrL - Latch output relay “r”...
- Page 18 Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher INSTALLATION GUIDELINES *uiiMA - Mute input “ii” for all outputs *uiiMo - Mute input “ii” for output “o” *uMo - Mute output “o” *uMA - Mute all outputs...
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Page 19: Output Port Control
Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher INSTALLATION GUIDELINES Audio and remote connections: TB 1 --> TB 4 EVEN Inputs Top Row Input x – Left Input x + Left Input x – Right Input x + Right Input x –... -
Page 20: Pip" Connector Digital Inputs
Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher INSTALLATION GUIDELINES TB 8 The bottom connector has two functions, depending on the position of SW17-10 Right hand 16-position connector on the rear of the switcher. SS-1... -
Page 21: Specifications
Broadcast Tools ® ACS 8.2 Eight Input, Dual Output StereoMatrix Audio Controll Switcher BROADCAST TOOLS ® ACS 8.2 SPECIFICATIONS * Audio Precision Test Equipment Max + 27 dBu, balanced, bridging.> 20k Ω . Input Levels: Stereo balanced outputs 1 & 2, +24 dBm. @ 600 Ω . / +27dbu @ Output Levels: 10K Ω... -
Page 22: Warranty
If Broadcast Tools is notified, in writing, of a failure of any item manufactured by Broadcast Tools to conform to the foregoing Limited Warranty within one (1) year following the date of the Buyer’s acquisition of the item, and if the item is returned to Broadcast Tools in accordance with Broadcast Tools’...
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