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The all-talk function, Monitoring main program, Sending and receiving call signals – Clear-Com MS-704 User Manual

Page 12: Linking intercom channels together (ms-704), The announce function, Remote mic kill function (ms-704)

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M S - 7 0 4 / R M - 7 0 4 F O U R - C H A N N E L M A I N / R E M O T E S T A T I O N S

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The button will be illuminated blue when the talk function is off and amber
when the talk function is on.

Another option allows the automatic setting of a listen function whenever a talk
is active (auto-listen DIP switch) for each channel.

The All-Talk Function

Pressing the button marked all talk sends the selected microphone to all channels
while the button is pressed (momentary only). This button lights amber when
pressed.

Monitoring Main Program

The main program input is the one on the XLR connector on the rear panel. To
listen to the main program in the speaker or headphone, adjust the program level
control just below the link and all talk pushbuttons.

Sending and Receiving Call Signals

To send a call signal on an intercom channel press the call button for that
channel. This is a momentary function.

If the auto-call option is selected for that channel, activating a talk button will
also send a call to that channel.

Receiving a call signal is indicated by a flashing red call button.

Linking Intercom Channels Together (MS-704)

A pushbutton allows the connecting of intercom channels B, C, and D to
channel A. The link pushbutton is latching in action. The link button
illuminates amber when all channels are linked together. In the latched position,
the entire station operates as one party line.

Talk and listen buttons are non-functional on channels B, C, and D when they
are linked to channel A.

The Announce Function

A single pushbutton sends the active microphone’s audio to the announce output
on the rear panel. Any active talks are disabled while the announce button is
held. The announce button illuminates amber when held. Talk and listen latches
are not reset, but the microphone’s audio does not go to the intercom line while
the announce function is active. A set of relay contacts are activated to control
some external device.

There is an option which allows program audio to be fed to the announce output.
If this option is enabled, the announce pushbutton interrupts this audio when it
is pressed. Program audio feed to the announce output is selected by setting
jumper J11 on the main board to the on position.

Remote Mic Kill Function (MS-704)

When you press the remote mic kill pushbutton, the talk function shuts off for
every beltpack on all four channels. If the talk functions of a large number of