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can be made or problems traced.
When the PFL switch is released the LED on the channel
serves as a PEAK indicator, to warn when an excessively high
signal level is present in the channel. The signal is sampled at
two points in the channel, PRE INSERT (PRE Hi-PASS FIL-
TER), and POST EQ. The Peak LED will illuminate
approximately 4dB before clipping and therefore give warn-
ing of a possible overload even if the peaks are removed by
external equipment plugged into the Insert.
12. CHANNEL FADER
This linear fader determines the proportion of the channel in
the mixes and provides a clear visual indication of channel
level. Normal operating position is at the ‘0’ mark, providing
10dB of gain above that point if required.
OUTPUT SECTIONS
There are eight Monitor Outputs, arranged in pairs. Each
Output offers identical facilities.
1. MONITOR OUTPUTS
Each Monitor Output is driven by a ground-compensated am-
plifier and fed to standard male XLR-3 connectors.
2. MONITOR INSERTS
These allow external processing equipment to be ‘inserted’ into
the monitor signal path. The
1
⁄
4
" 3 pole ‘A’ gauge jacks are by-
passed except when a plug is inserted.
3. SUB
The SUB control and associated switch and LED feed the
monitor output to the engineer’s submix, which is the normal
source for the headphones and wedge outputs. The signal is
derived before the Talkback and Dim circuitry, and the sub-
mix is therefore unaffected by either of those functions in the
Output section. The submix feed is enabled when the ON
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