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L-R CHANNEL 17/18 AND 19/20
To route an input channel (channel 17/18 and 19/20) directly to the MAIN MIX sum channel, press down on the L-R switch of the corresponding
channel.
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PFL CHANNEL 17/18 AND 19/20
Press down on the PFL switch (Pre Fader Listening)
firstly
, to be able to listen to the signal of the respective channel regardless of the channel level
controller (N 53) using headphones connected to the headphone jack PHONES (N 82),
secondly
, to make a more accurate gain adjustment since
the level of the input signal is now displayed on the 12-segment LED display of the MAIN MIX sum channel. At the same time, the PFL LED of the
corresponding channel and the PFL LED below the level display of the MAIN MIX sum channel light up. If the PFL switch is brought to its original
position, the PFL LED will go out.
STEREO-CHANNELS 21/22 AND 23/24
60
LINE IN L/R CHANNEL 21/22 AND 23/24
Unbalanced line inputs with RCA jacks L and R.
61
GAIN CHANNEL 21/22 AND 23/24
Adjusting the sensitivity of the line input from +15 dBu to -35 dBu. Adjust the Gain controller so that the Clip
LED of the corresponding channel only lights up briefly when signal peaks occur. Avoid the permanent lighting
of the Clip LED by reducing the input sensitivity; if necessary, reduce the volume of the external audio device.
62
LINE/USB 21/22
Select the input source for the stereo channel 21/22. In the up position, the RCA sockets are selected as the
signal source, in the down position the USB interface on the rear side of the mixer is selected.
63
EQUALIZER HI CHANNEL 21/22 AND 23/24
Equalizer high band for channels 21/22 and 23/24 (12 kHz, +/-15 dB). When turned to the left, levels are
lowered, when turned to the right, they are raised. In the centre position (resting point), the equalizer is
inactive.
64
EQUALIZER MID HI CHANNEL 21/22 AND 23/24
Equalizer mid band HIGH for channels 21/22 and 23/24 (3 kHz, +/-15 dB). When turned to the left, the high
mid levels are lowered, when turned to the right, they are raised. In the centre position (resting point), the
equalizer is inactive.
65
EQUALIZER MID LOW CHANNEL 21/22 AND 23/24
Equalizer mid band LOW for channels 21/22 and 23/24 (500 Hz, +/-15 dB). When turned to the left, the Low
mid levels are lowered, when turned to the right, they are raised. In the centre position (resting point), the
equalizer is inactive.
66
EQUALIZER LOW CHANNEL 21/22 AND 23/24
Equalizer bass band for channels 21/22 and 23/24 (80 Hz, +/-15 dB). When turned to the left, levels are low-
ered, when turned to the right, they are raised. In the centre position (resting point), the equalizer is inactive.
67
EQ ON/OFF CHANNEL 21/22 AND 23/24
Switch for switching the equalizer (HI, MID HI, MID LOW and LOW) on and off. In the down position, the
equalizer is enabled, and in the up position, it is disabled.
68
AUX 1 + AUX 2 CHANNEL 21/22 AND 23/24
Volume controller for adding the signal from channel 21/22 and 23/24 to external effects devices (Effect Send,
switch N° 69 POST), or for controlling active stage monitors (Monitor Send, switch N° 69 PRE) Use the line
outputs AUX SEND and 2 control (N 12) for control.
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