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9. OPERATION AND USAGE
Start-up
Switch on the mixer using the switch (33) located in the mixer back panel. Now the
LED ON (1) indicator will be lit in green. Even if the typical bump noise of audio
devices during the start-up is minimized in the WARM2 thanks to the internal anti-
bump circuits, it is always recommendable to turn on the devices using the following
sequence:
1. Sound sources
2. Mixer, sound processors, effects
3. Finally, power amplifiers
The shut-down routine should be done by following the exact reverse sequence in
order to avoid any possible damage to the loudspeakers.
Control Description
Input selector
Each channel provides an input toggle switch selector (1) that allows selecting the
PHONO or LINE inputs for the main channels and MIC or LINE inputs for the third
channel.
Channel TRIM
All the WARM2 input channels have an accessible TRIM input sensitivity control (3).
These controls adjust the input level of each channel in order to compensate the level
of different sources connected to the mixer, or different phono cartridges in case of
turntables.
The gain adjustments should be done with great care, using as a reference the PFL
VU-meter (11). The standard level reference used to mix audio signals is 0dBV.
Equalization
The rotary tone controls for each channel provide a +10/-30dB boost/cut at high (4)
and low frequencies (6) and +10/-25dB at the mid range (5). This control allows
equalizing the track in use or it can be used in all the creative ways possible. In
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