Vox Tonelab ST Owner's Manual page 34

• Could the tuner be active?
The effects are bypassed if the tuner is active. Press the
EXIT/TUNE switch to defeat bypass.
• Could an EDIT knob be set to the minimum value?
Adjust the EDIT knob.
Something is wrong with the sound
• Are the OPTION parameters set appropriately?
Hold down the CABINET on/off switch about one second
to enter OPTION parameter setting mode, and adjust the
parameters to appropriate values.
• Is the AMP/LINE switch set appropriately for the output
destination that's connected?
Set the AMP/LINE switch correctly as described in step 1
of "Making connections" (p.8).
The sound does not change when you operate the switches,
selectors, or knobs on the top panel
• Could the effect setting be off?
Use the selector to select the effect that you want to use, or
use the effect on/off switch to turn the effect on.
• Could you be in OPTION parameter setting mode?
In OPTION parameter setting mode, the BASS, and VOL-
UME controls do not change the sound. Press the EXIT/
TUNE switch to exit OPTION parameter setting mode.
• Could the tuner be active?
The effects are bypassed if the tuner is active. Press the
EXIT/TUNE switch to defeat bypass.
• Could you be specifying the expression pedal's minimum
and maximum values?
While you're specifying the expression pedal's minimum
and maximum values, parameters other than the one
assigned to the expression pedal will not change. Press the
EXIT/TUNE switch to return to normal operation.
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• Could you have activated the Key Lock function?
If the Key Lock function is active, you won't be able to
operate the switches, selectors, or knobs on the top panel.
Hold down the EXIT/TUNE switch for about two seconds
to defeat the Key Lock function.