Partyline: What is the best way to introduce program audio into the MS-704 station?
Question: I have a request from a consultant which shows many program audio signals (all duplicated from a distribution amp) each run separately into a number of MS-704 stations. It seems to me a better solution is to apply one program signal to one MS-704 program input. Is there any kind of advantage to sending many program audio signals as requested?
Answer: It depends on what needs to be archived a) Each MS-704 unit only needs to listen to the Prog feed and have local control of the incoming levelb) You want the MS-704 unit to pass the Prog feed to a selected intercom channel. So that all other users on the same channel will hear the Prog feed.
A XLR-3F connector provides the main program input to the station. This input is fed to the front panel program level control for listening in the headphones or speaker. Optionally, it can be fed to each of the intercom lines with the option DIP switches marked program select A-D. Another option is to feed program audio to the announce output. This is selected by setting jumper J11 on the main board to the on position.
Separate program inputs are also available for each channel via the accessory DB-15 connector.
The pinout of the program input connector is as follows:
Pin 1 --- Ground (shield)
Pin 2 --- - Signal
Pin 3 --- + Signal
AUXILIARY PROGRAM INPUTS from the auxiliary DB-15F connector:
Four different program inputs, one for each channel, are provided. These auxiliary program inputs can only be fed directly to their associated intercom line. The only controls that affect these inputs are the PGM-level controls associated with each channel and the internal program interrupt switch that is active if the function has been activated with an option DIP switch and a talk is active on that channel.
Answer: It depends on what needs to be archived a) Each MS-704 unit only needs to listen to the Prog feed and have local control of the incoming levelb) You want the MS-704 unit to pass the Prog feed to a selected intercom channel. So that all other users on the same channel will hear the Prog feed.
A XLR-3F connector provides the main program input to the station. This input is fed to the front panel program level control for listening in the headphones or speaker. Optionally, it can be fed to each of the intercom lines with the option DIP switches marked program select A-D. Another option is to feed program audio to the announce output. This is selected by setting jumper J11 on the main board to the on position.
Separate program inputs are also available for each channel via the accessory DB-15 connector.
The pinout of the program input connector is as follows:
Pin 1 --- Ground (shield)
Pin 2 --- - Signal
Pin 3 --- + Signal
AUXILIARY PROGRAM INPUTS from the auxiliary DB-15F connector:
Four different program inputs, one for each channel, are provided. These auxiliary program inputs can only be fed directly to their associated intercom line. The only controls that affect these inputs are the PGM-level controls associated with each channel and the internal program interrupt switch that is active if the function has been activated with an option DIP switch and a talk is active on that channel.
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