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Service Outputs (DC Remotes) 1
The 8424 console has a 15-Pin, 5 Channel D-Type connector on the rear of
the console, Labelled as DC Remotes. These service outputs allow for
several external control options and can be controlled by a number of
custom-built remote switches or connected footswitches.
Pin 1 provides the on/off switch for producer RTB.
Pin 2 provides an external control for remotely activating the Monitor DIM.
Pin 3 provides an external control for remotely activating the monitor CUT.
Pin 4 provides an external control for remotely activating Engineer Talkback.
Pin 5 & 6 provide a 5v supply for the producer talkback switch.
Pin 7, 8, 9, 10, 11, 12 not in use
Service Pin outs are shown on page 67.
2T VU MTR OSC & TB 1
The 8424 15-pin connector labelled as 2T VU MTR OSC & TB output provides
console outputs external devices such as VU meters, external talkback
systems as well as providing an external Oscillator output for use when
calibrating connected audio equipment.
Channel 1 and 2 are for External VU meter outputs, these can be connected
to any external Large VU or Linear phase VU meter. The VU trim pot located
at the rear of the console allows for calibration of this external send.
Channel 3 is not in use.
Channel 4 is used as an external Talkback send, this is always active and post
talkback master level control. This can be used to feed any external talkback
system.
Channel 5 is used as an external Oscillator send and is set at +4dBu.
2T VU outs are shown on page 67.
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