Vox Tonelab EX Owner's Manual page 41

Effects don't apply
• 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 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. 9).
• You are monitoring the sound through the built‐in speak‐
ers. 
Some programs (especially those with an emphasized low
range) may cause the sound from the speakers to be dis‐
torted or noisy. In such a case, adjust the volume level us‐
ing the SPEAKER LEVEL control.
The sound does not change when you use the switches,
selectors, or knobs on the top panel
• Could the effect setting be off?
Use the selector to choose the effect that you want to use, or
use the effect on/off switch to turn the effect on.
• 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 as‐
signed to the expression pedal will not change. Press the
EXIT/TUNE switch to return to normal operation.
• Could you have activated the Key Lock function?
If the Key Lock function is active, you won't be able to op‐
erate 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.
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