Restoring Factory Defaults; Sound Check 1 - Zoom g9.2tt Service Manual

29. PEDAL setting
Turn on the power holding the [PEDAL2 SETTING] key, and the indication [PDL Calibration
PEDAL2-V...min] appears on the LCD. With the EX PEDAL2 fully raised, press the
[STORE/SWAP] key, and the indication [PDL Calibration PEDAL2-V...MAX] appears on the
LCD.
And the EX PEDAL2 fully down and then lift your foot off the pedal, then press the
[STORE/SWAP] key, and the LCD is displayed [PDL Calibration PEDAL2-V...min] after the
LCD is displayed [PDL Calibration ok] a few seconds.
Raise the lock arm and Z PEDAL is locked. Press the [STORE/SWAP] key after the Z PEDAL
swing to right extremely and the LCD is displayed [PDL Calibration PEDAL2-H...MAX].
Lower the lock arm and Z PEDAL is unlocked. Then the Z PEDAL swing to right extremely, and
press [STORE/SWAP] key again.
And the unit returns to the play mode after the indication [PDL Calibration ok] appears the LCD.
After this setting, make sure that the EX PEDAL and Z PEDAL's AD value again.
30. Weighting adjustment
Like the right figure, set a balance on the setting
point after making the EX PEDAL2's AD value
minimum. Add a weight to the balance till the EX
PEDAL starts to move. Then adjust the scale to
range of 350g to 500g (QC = 350g to 700g) by
hexagon socket head screw on the back of EX
PEDAL2.

31. Restoring Factory Defaults

Turn on the [POWER] SW while holding down the [STORE/SWAP] key (SW16), and the
indication [All Initialize? Y: STORE N: EXIT] appears on the LCD.
Then press the [STORE/SWAP] key once more.
Make sure that the LCD displayed [All Initialize Factory Revert..] and these dots go on and off.
Then LCD displayed [Complete!], and initialization is carried out and the system starts up in "Play
Mode".
*If [EXIT] key is pressed, the system starts up in not All Initialize but Play Mode

32. Sound check 1

Turn on the [POWER] and the 7 segment LED displayed [U0], [WAH/EFX1] LED lights red, and
[CH A/B FUNCTION1] LED lights green.
Then, Input sin wave (440Hz, -10dBm) and monitor its output sound by speaker or oscilloscope.
Make sure this output sound is distortion sound and doesn't include abnormal noise, and this
output sound isn't abnormal sound.
-13 -