M3
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58
LC5128 MAIN OUTPUT 2, TONE & TALKBACK
M1 : Routes to Main 1.
ON AIR : Pushbutton with red LED. Inhibits tone and talkback within the console and
closes relay contact for interface to other areas.
POWER : Red LED flashes to indicate a failure of either the PSU or the fan (if fitted).
Direct AFL : Latching button routes direct input post fader, exclusively to monitor
loudspeaker.
Direct PFL : Latching button routes direct input pre fader signal to small PFL loudspeaker.
Direct CUT : Latching button cuts direct input signal.
Direct PAN : Pans stereo direct input signal.
Direct Input : Sets signal level, 10dB in hand.
Main output Compressor, may be used as a Limiter (50:1 ratio) 20dB Gain reduction, Yellow LEDs.
Normally pre fader can be set POST fader (with button pressed).
RECOVERY AUTO : Sets recovery to between 0.1 to 1.5 secs, programme dependant.
RECOVERY FAST : Changes recovery time from 1 secs to 75ms (overridden by AUTO)
ATTACK : Normal 4ms @ 5:1 ratio or FAST 0.2ms @ 5:1 ratio.
Dynamics IN button : Switches in dynamics. Red LED
RATIO : 1.5 to 50:1, variable control.
THRESHOLD : -20 to +10dBu, variable control.
GAIN : Make-up gain adjustable from 0 to +20dB, variable control.
TB : Talkback momentary button, inoperative ON AIR.
TONE : Latching button, inoperative ON AIR.
OSCILLATOR FREQUENCY : 5 buttons 40, 100, 1k, 10k, 15kHz
IDENT button green LED. : Pulses tone to main outputs only, choice of 4 sequences which
include EBU & BBC GLITS specification (internally selectable).
TONE button : Switches ON oscillator, red LED.
TONE control : ±10dB level adjustment on nominal 0dBu output.
MIC : Talkback microphone.
TB : Sets outgoing Talkback level.
RTB : Sets reverse (incoming) Talkback level to PFL loudspeaker.
EXT 1 & 2 TALKBACK buttons to external destinations
Scribble Strip
INS : Insert button. Selects main output insert (pre fader).
ON : Green LED. Illuminates when fader is open.
PFL : Latching button routes main output pre fader signal to small PFL
loudspeaker.
FADER : 0dB in hand
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