Alesis iMultiMix 16 USB Reference Manual page 32

5
Troubleshooting
Audio signal carries an unwanted
hum.
Microphone level is too low.
No or low sound from a channel.
Internal effects aren't working.
30
Too much low-level noise in the
mix.
Interference from appliances
such as air conditioners.
Not using TRS cables.
Phantom power is not turned
on.
Microphone is damaged.
Fader is too low.
Instrument volume is too low.
Channel is muted.
Gain is too low.
Effects level is too low.
An effect hasn't been selected.
Engage the channel's high-pass filter
by pressing the HPF switch.
Engage the channel's high-pass filter
by pressing the HPF switch.
Make sure you are using 1/4" TRS
cables.
Turn on phantom power using the
switch on the rear panel of the
mixer.
Test the microphone on other audio
devices. If you detect damage,
contact the manufacturer or dealer.
Raise channel fader.
Turn up the instrument's volume
control. If problem persists, check
the instrument by plugging
headphones into the instrument's
phone jack.
Check the MUTE / ALT 3/4
switch.
Adjust the channel's GAIN control.
Turn up the level using the
EFFECTS / AUX RET B LEVEL
control in the master section of the
mixer.
Press the EFFECTS knob on the
desired effect and make sure the
SIG indicator is lit.