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43
The Master Meters
Headphone Output
Metering has been addressed on the input modules
although there are also meters associated with the
master functions on the console.
The output meters show the output levels of the sub-
groups and also the stereo output. If problems are
indicated here with the level being either too high or
low then it is most likely that the problem is further
back in the signal path. Follow our procedure for
gain setting to see if this remedies the situation.
1 Power Supply Status Indicators for the +18V, -18V
and 48V power rails.
2 Left and Right Peak Reading Main Output Meters.
3 Over Indicators, when illuminated the signal is in
danger of being clipped and the level should be
reduced. A level of +20dBu will bring the OVER
indicator on. Maximum or 0dBFS is indicated at
a signal level of +18dBu, corresponding to full
modulation on a digital recorder.
4 0VU. When the signal is at a level of +4dBu the bars
should be illuminated up to this point. Note that this
is not meant to be normal operating level because
the meters are peak reading.
5 Talkback Microphone Connector. If talkback is to be
used then a microphone should be plugged in here.
6 Solo Indicator. This lights when a SOLO button has
been pressed on the console.
1
3
2
4
65
On the Master Meter Pod you will find a High-
Fidelity Headphone output, designed for critical
listening purposes. The headphone output uses
an advanced output buer, so can drive any
headphones without issue.
The headphone output is taken from ALT Output
3 and the volume is controlled using the master
volume control, plus the ALT 3 trim.
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