Specifications

42
Troubleshooting
Troubleshooting
The unit will not turn ON
• Confirm that the POWER switch is set
to "ON". When using bus power, set the
switch to "OFF" before connecting the
USB cable.
• When using batteries, confirm that they
still have a charge.
No sound or very low volume
•Checktheconnections(→P4–5).
•Adjustinputsensitivity(
→P8).
•Adjustthemasterlevel(
→P9).
•Confirm that unit is not in mute mode
(
→P24).
•If using a condenser mic, confirm that
phantom power is ON (
→P23).
There is a lot of noise
• Check shielded cables for defects.
• Use only a genuine ZOOM AC adapter.
The sound distorts strangely/has an
odd timbre
•Adjustinputsensitivity(→P8).
•Adjustthemasterlevel(
→P9).
•Adjusttheamountofboost amplication
(
→P15).
•Setthepickupselectioncorrectly for the
type of pickup. (
→P5).
An effect is not working
•Adjustthebalanceknob(→P9).
•If th e ef fe ct pro c essin g c a p acit y is
exc e e d e d , “ T HRU” ap p e ars o n t he
effect graphic. In this case, the effect is
bypassed (
→P11).
Batteries lose their charge quickly
• Confirm that you are not using manganese
batteries. Alkaline batteries should provide
8 hours of continuous operation.
•Checkthebatterysetting(→P25).
Set the type of batter being used to
enable the remaining charge to be shown
more accurately.
•Conrmthatphantompowerisnotbeing
used. When +48V phantom power is being
used, the unit can operate continuously for
about 5 hours with alkaline batteries.