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INPUT STEREO
20. AUX /FX
These controls determine the amount of the summed L and R signal that is sent POST-FADE
to the AUX/FX summing bus. For more details on the functioning of these controls, please
refer to the INPUT/MONO section of this owner’s manual.
21. AUX3/4
These controls determine the amount of the summed L and R signal that is sent to the
AUX3 or AUX4 summing bus. Depending on the setting of the AUX PRE/POST switch in the
PowerMate’s master section you can choose if the signal gets split PRE or POST FADER. For
more details on the functioning of these controls, please refer to the INPUT/MONO section of
this owner’s manual.
22. BAL
The function of the BAL control of the stereo channels is equivalent to the PAN control’s
function of the monaural channels. If you turn the rotary control all the way to the right, the
right signal is outputted to the right output while the signal of the left channel is muted. When
the control is set to its center position, the L/R signals are present with their equal intensity on
the corresponding outputs. Whenever stereo sound sources are connected to a stereo input,
you should leave the BAL control at the center position or make only minor adjustments in
either direction. In case a microphone or another monaural sound source is connected, the
BAL controls function absolutely identical to the PAN controls of the monaural input section.
23. MUTE
The MUTE button mutes the input signal post fader, including all AUX sends. PFL and Signal/
Peak stay operational.
24. PFL
Engaging the PFL button sums the stereophonic audio signal of the corresponding input
channel and routes the resulting monaural signal to the headphones bus. You are able to
listen to the audio signal via the phones output. The meter instrument in the master section is
simultaneously switched, so that the left LED-chain indicates the level of the actually chosen
channel (in dBu), which allows optimally matching the level of the signal source.
You can assign as many channels as you want to the phones summing bus at the same
time. The volume levels of the individual signals are not affected by the setting of the
corresponding channel faders (PRE FADER LISTEN). This gives you the opportunity to set
the level and the EQ of a channel, without the need to include it in the main mix, i.e. you can
leave the channel fader down or even engage the MUTE button.
25. SIGNAL/PEAK
The stereo SIGNAL/PEAK indicator function provides independent analysis of left and right
channel audio signals. The respective highest level reading is indicated, assuring that neither
one is already driven into clipping. For further information on how to use this indicator most
efciently, please refer to the description of the monaural channel’s identical feature.
26. VOLUME
The channel fader is used to simultaneously adjust both levels (volumes) of the stereo signal.
Functioning and specications are totally similar to the monaural channel fader, as previously
described under INPUT/MONO.