Alesis 7-51-0214-b User Manual
Troubleshooting
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LED input meters not
working.
Input level too low
Turn up the GAIN knob or the
output level of your instrument.
LED output meters not
working.
Output level too low (or
muted)
Un-mute and/or turn up the
output level of your audio
software
Audio is not routed to the
correct outputs in your audio
software.
Make sure your audio software
is routing your signal to the
correct outputs.
Computer does not see the
IO|14/26.
FireWire connection must be
established between your
computer and the IO|14/26.
Unplug the FireWire and power
cables from your IO|14/26.
Reconnect the FireWire and
power cables. If this does not
work, leave the IO|14/26 on
and power-cycle your computer.
Do not use “restart” but instead
actually turn off the computer
and then turn it on again.
Computer sees the
IO|14/26, but no sound is
received and/or transmitted.
IO|14/26 is not set as
primary sound device.
Windows: in the computer’s
Control Panel, go to the
Sounds/Multimedia area. In the
Audio section, set the default
sound recording and playback
devices to the IO|14/26.
Mac: perform a similar
operation under Audio/MIDI
Setup.
FireWire audio has crackling
or glitches, or audio
plays/records at incorrect
pitch.
Buffer size is set too small. Increase the buffer size in the
IO|14/26 control panel.
Computer configuration may
be incompatible with
FireWire audio.
Certain FireWire chipsets have
design limitations or IRQ
assignment restrictions that
must be resolved before audio
can work correctly on them.
See your FireWire chipset
documentation for further
information if required.
No power.
Defective power supply (or
FireWire cable).
Replace power supply (only use
Alesis-recommended AC output
power supply).
FireWire cable does not
carry power.
If you are powering your
IO|14/26 through the FireWire
cable, you need to make sure