Chapter Five: Troubleshooting - Alesis iMultiMix 8 USB Reference Manual

Troubleshooting
5
If you're having problems operating the iMultiMix 8 USB, this
troubleshooting index will help you correct them.
Symptoms
No sound from the mixer.
Audio signal is distorted.
My iPod recording is distorted.
Cause
Mixer is not plugged in or turned
on.
Channel levels are too low.
Control room level is turned
down
The appropriate signal hasn't
been assigned to the control
room out.
Cable is not plugged into output
jack.
Headphones are not plugged
into PHONE jack.
Monitor or headphone amplifier
is turned off or down.
Bad cable.
Channel level is too high.
Channel input is too high.
AUX RET level is too high.
MAIN MIX level is too high.
Limiter is not engaged.
Limiter is working too hard.
Solution
Plug in mixer and turn it on.
Turn up channel levels.
Turn up control room level.
In the master section of the mixer,
be sure the right switch is selected.
Check outputs to make sure cables
are plugged in securely.
Plug headphones into PHONE jack.
Turn amplifier on or up.
Check all cables; substitute cables
with known good ones.
Set channel levels using the
procedure on page 8.
Turn down your instrument to a
normal volume and then set channel
levels using procedure on page 8.
Lower the level of AUX RET A or
B in the master section of the mixer.
Turn down the MAIN MIX level
control in the master section of the
mixer.
Press the LIMITER button to
engage this feature – it will prevent
your recording from clipping and
distorting.
If your levels are too hot, the Limiter
can still produce unwanted artifacts
and distortion. Turn down the iPod
REC LEVEL and use the iPod REC
MONITOR to hear how the mix
will sound.
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