Controls & Features - Mono Channels 1-12
1
GAIN
: The Gain control is used to match the incoming signal level to the internal operating
level of the 162BPX. This ensures the best performance, reduces noise and avoids
distortion. The Mic Gain range is 12 to 60dB
2
HI
: The HI control cuts or boosts the high frequency (or treble) element of the sound. In the
centre (12 o'clock) position, the sound is unaffected. The HI control works at 12kHz.
3
MID
: The MID consists of two controls. The lower control operates in the same way as the
HI & LO. The upper control (the 'sweep') adjusts the frequency at which it operates. The
MID frequency sweep control adjusts between 250Hz and 6kHz.
4
LO
: The LO control operates in the same way as the HI control except that it affects the
low frequency (bass) part of the sound. The LO control operates at 60Hz.
Tone controls : HI, MID & LO
The controls marked HI, MID and LO are very useful for changing the characteristics or tone of the sound. For simplicity or
for new users set these controls to the centre position, which effectively turns off or bypasses the tone control section and
you will not need to worry about these controls until you feel more confident.
However to get the best out of your audio system or if you just want to experiment read on....
Adding a little HI on CDs can add brightness to the sound. For microphones increasing the MID ranges tends to 'lift' the
vocal adding clarity to the voice.
For CDs, adding LO makes the bass section of music more prominent. For microphones doing the opposite and removing a
little bass helps stop the 'popping' or 'boomy' sound often apparent when a microphone is used too close to the mouth.
For best results with microphones or CDs, don't be over enthusiastic with the tone controls as this can make the sound un-
natural. With guitars or other instruments more extreme tone setting can be used to create more of a sound effect.
5
AUX/DSP
: The AUX/DSP control is assigned post - fader and used to send the sound in
the channel to the internal DSP (digital signal processor). The sound is also sent to the
AUX SEND output for use with external effects processors.
6
MON
: The MON control can be used when an additional or different mix of sound is
required (such as using stage monitor speakers or multiple headphones for the musicians).
As the MON control is turned clockwise more of the sound in the channel is routed, via the
MON SEND control (24), to the MON SEND output on the rear panel. This would then be
connected to an amplifier to power the stage monitor speakers or headphone system.
Mon and AUX controls are very similar except that adjusting the channel fader does not
affect the sound at the MON SEND. Musicians listening to the sound from the MON SEND
do not want it changing when a channel fader is adjusted. The opposite is required when
an effects loop is used, the effect needs to change with the position of the channel fader.
This keeps the blend of original and treated signal constant.
7
PAN
: Adjusts the position of the channel signal between left or right output channel.
8
PEAK
: The Peak LED indicates that the channel signal is approaching its maximum level.
If the Peak LED remains lit, reduce the channel GAIN (1) control setting until the LED
flashes only on signal peaks.
9
PFL
: Depressing the PFL (pre fade listen) button allows the selected channel (or
channels) to be monitored via the headphone output. When the PFL button is activated the
Peak LED stays fully illuminated and the level is also shown on the Main Mix bargraph
meters.
10
FADER
: The fader adjusts the level from the channel to the main output. The fader acts as
a volume control for each channel. they join all the various sounds together creating a
blend or 'mix' of sounds. The long, smooth faders make small adjustments easy as well as
giving a visual representation of sound levels. In use, aim to set the fader at the 0dB
position. It can then be raised or lowered to adjust the sound (mix).
WHAT HAPPENS IF I PRESS THIS?
CONTROLS & FEATURES
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+10
0
-5
-10
-20
-30
8
+5
40
30
20
-
+
-
+
1K
1K5
600
3K
350
-
+
0 10
0 10
L
R
LO
60Hz
AUX/
DSP
MON
PAN
12 60dB
MID
PFL
PEAK
HI
12K
GAIN
250Hz 6KHz
1
1
2
3
4
5
6
7
8
9
10
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