Related Manuals for Broadcast Tools 8 x 2A
Summary of Contents for Broadcast Tools 8 x 2A
- Page 1 8 X 2A Dual Stereo Audio Switcher Installation Manual Broadcast Tools, Inc. All specifications and features for this product are subject to change without notice. 8 x 2A Dual Stereo Audio Switcher Installation Manual...
- Page 2 Inc., reserves the right to inspect any products which may be the subject of any warranty claim before repair or replacement is carried out. Broadcast Tools, Inc. may, at its option, require proof of the original date of purchase (dated copy of original retail dealer’s invoice).
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Page 3: Installation
The 8 x 2A Dual Stereo audio switcher is designed to be rack mounted in a standard 19" rack. It should be mounted in an area that is accessible from the rear and preferably away from sources of heat. - Page 4 (The left most switch on the front panel is channel 1). The input impedance is high, 600Ω termination may be done external to the 8 x 2A Dual Stereo audio switcher.
- Page 5 Broadcast Tools, Inc. Silence Sensor The 8 x 2A Dual Stereo audio switcher is equipped with a silence sensor. The silence sensor as shipped from the factory is configured to monitor output # 1. A jumper is provided to switch to output # 2 if needed. The time delay is fixed at approx. six (6) seconds and should be jumpered from the SS OC on TB-7 to SS IN on TB-7 for serial operations, allowing the time delay changes to be provided by the automation equipment manufacturer.
- Page 6 To select Overlap mode, unplug the 8 x 2A Dual Stereo audio switcher, and while holding down the F1 & F2 switches, plug the 8 x 2A Dual Stereo audio switchers wall transformer back into the wall outlet. This is the DEFAULT mode.
- Page 7 Broadcast Tools, Inc. Parallel remote control All functions on the 8 x 2A Dual Stereo audio switcher may be remote controlled via a rear panel 25 pin D-connector. The 8 x 2A Dual Stereo audio switcher accepts momentary contact closures, open collector or TTL/CMOS logic levels. Open collector tally is also provided.
- Page 8 Connecting the 8 X 2A to a serial port The 8 x 2A Dual Stereo audio switcher is supplied with a modular cable and a modular/9 D-connector adapter for serial control. Connect the cable between the 8 x 2A Dual Stereo audio switcher and your computer.
- Page 9 8 x 2A Dual Stereo Audio Switcher Installation Manual Broadcast Tools, Inc. Note that the menu mode does NOT allow overlapped commands to be entered. If in overlap mode, it will still behave as if in interlock mode (change will occur when Q is entered).
- Page 10 8 x 2A Dual Stereo Audio Switcher Installation Manual Broadcast Tools, Inc. A Status response is of the form: Z<silence_status>1ab2ab3ab4ab5ab6ab7ab8ab<cr><lf> Z is a flag to indicate the start of a status response <silence_status> is: Q - Silence sensor Quiet, “ALARMED” !!
- Page 11 8 x 2A Dual Stereo Audio Switcher Installation Manual Broadcast Tools, Inc. Command: Connect channel 2 to output 1 and give a status response: *211<cr> Command: Connect channel 4 to both outputs with no status response. Password of 1234 is required: P1234*4B0<cr>...
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Page 12: Switching Method
8 x 2A Dual Stereo Audio Switcher Installation Manual Broadcast Tools, Inc. SPECIFICATIONS -10 to + 8dbm, balanced/unbalanced bridging. > 10k Ω. INPUT LEVELS: OUTPUT LEVELS: Stereo balanced output 1, 2 and mono output 1, + 24 dbm. @ 600 Ω. Mono unbal output 2, +18 dbm @ 600 Ω.
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