Crest Audio CENTURY LM, Manual

Page: 23 / 38

LM
P
AGE
21
C
ENTURY
S
ERIES
LM Master Module B
This the second of two modules that include master controls
for all LM consoles in addition to mono output twelve.
Output Meter
Monitors the post-fader output signal of group 12 via a ten-
segment LED array. This meter also indicates PFL level.
PFL Indicator
This LED illuminates when the signal on meter 12 is a PFL or
AFL signal
Talkback Mic Input
Allows for connection of a gooseneck or other XLR type
microphone to the talkback system. Phantom power is avail-
able here for condenser mics.
Headphone Jack
Allows for connection of headphones via a 1/4" TRS plug.
Headphone Level Control
Controls the output level of both headphone jacks.
Group Mix Switch
Sums all output mixes and assigns the summed signal to the
Monitor B output. This output is stereo when stereo signals are
present. This signal is post fader.
Monitor Level B
Adjusts the output level of local monitor B.
Monitor Mute B
Mutes local monitor B.
Oscillator On
Switches on the internal 1kHz oscillator. The internal oscillator
only operates when the Talkback system is engaged.
External TB Input Switch
Adds an external signal to the internal talkback signal. This
signal is patched in via the external talkback connector on the
back of the master module.
Talkback Level Control
Adjusts the final level of all talkback signals.
External TB Output Switch
Feeds signal to the external talkback output connection. Only
the internal talkback signal is present at this connector.
Talkback Master On/Off
Switches the internal talkback system on and off
Sub 12 Post Switch
Switches the subgroup send between pre and post fader.
Sub 12 On Switch
Switches the subgroup send on and off.
Output 12 Polarity Reverse
Inverts the polarity of output 12.
Output 12 Insert On Switch
Turns on the insert loop for the output signal. If an incomplete
insert loop is present, depressing this switch will mute the out-
put
Output 12 Talkback Enable
Injects the talkback signal from the master section into the
group output.
Output 12 Dim Switch
Introduces a -6dB drop to the output signal. This is a push
on/push off switch, not momentary.
Output 12 Mute Switch
Mutes the output. This switch does not affect the PFL switch
or the Peak and Signal Present LED indicators.
Output 12 PFL Switch
Enables Pre Fader Listening of the output signal. (This can be
internally selected to post fader)
Output 12 Peak & Signal LEDs
The red LED indicates that the output is within 3dB of the clip-
ping point. The green LED constantly displays the level of sig-
nal activity by varying in intensity.
Output 12 100mm Fader
Controls the final signal level of outputs12.
Scene Mute Masters
These four switches turn the four scene mutes on and off for
the entire console.
Rear Panel Connections
Output 12 Bal Out
This XLR connector carries the post-fader output signal from
the output group 12.
Insert Send
This 1/4-inch TRS balanced jack carries the send signal of the
output insert loop to the external effect or signal processor.
Insert Return
This 1/4-inch TRS balanced jack accepts the return signal of
the output insert loop from the external effect or signal proces-
sor.
Monitor B Out (L&R)
These two connectors deliver local monitor B ‘s balanced out-
put signal.
Ext. Talkback In
This connector accepts a balanced signal which is assignable to
any of the locations in the talkback system.