Toa D-2000 Series - Manual (Page 139)

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10.4. D-2012C Fader Adjustment
Be sure to perform fader control calibration and fader position correction with the following procedures when
you have updated the D-2012C's firmware version from 4.0.0 or earlier to 4.1.0 or later. This fader adjustment
will stabilize the fader operation.
Note
Never switch off the D-2012C's power during work.
10.4.1. Calibrating fader control
Channel ON/OFF key 1
Input section Output section
Fader "0"
position
Channel ON/OFF key 4
D-2012C
Function key 7 Function key 8 Power switch
Step 1. Turn on the power switch while simultaneously pressing the 3 keys (Function keys 7 and 8, and
Channel ON/OFF key 1).
Continue to press these 3 keys.
Step 2. Release the keys when the indicators in the unit's Output section are lit after they have
simultaneously flashed.
After about 20 seconds, all indicators flash for a while, then only the indicators in the Output section
light and others go out. Then, the faders start to move up and down.
All faders stop near the "0" position after several minutes, then the fader calibration is complete when
the indicators in the Input section, Function key 7, and Channel ON/OFF key 4 light.
Tip: Proceed to perform fader position correction (see the next page ).