Troubleshooting - Zoom A3 Operation Manual

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 (
• Adjust input sensitivity (
• Adjust the master level (
• Confirm that unit is not in mute mode
( → P24).
• If using a condenser mic, confirm that
phantom power is ON (
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 (
• Adjust the master level (
• Adjust the amount of boost amplification
( P15).
→
• Set the pickup selection correctly for the
type of pickup. (
42
→ P4–5).
→ P8).
→ P9).
P23).
→
→ P8).
→ P9).
→ P5).
An effect is not working
• Adjust the balance knob (
• If the ef fec t pro cessing c ap acit y is
exc e e d e d , " T H R U" a p p e ar s o n the
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 (
Set the t ype of batter being used to
enable the remaining charge to be shown
more accurately.
• Confirm 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.
→ P9).
P25).
→