User guide

www.jbl.com
ERROR MESSAGES ON DISPLAY
There is insufcient cooling air
around the main unit.
“MS-8 Has Overheated…”
“No DSP Response…”
“Voltage Too High…” or
“Voltage Too Low…”
The vehicle’s electrical system
may be malfunctioning.
If the message displays only
once and the MS-8 resets
without incident, no further
involvement is necessary.
If the message displays
often, contact your vehicle’s
dealer or mechanic.
There has been a possible
electrostatic discharge within
the main unit.
If the message displays only
once and the MS-8 resets
without incident, no further
involvement is necessary.
If the message displays
often, contact JBL
Technical Support at
516.255.4JBL (4525).
Re-install the main unit in a
less conned area that will
allow cooling air to circulate
around the unit. See
Choosing a Location for the
Main Unit, on page 17.
TROUBLESHOOTING
MISCELLANEOUS
The display is hard to read.
The Brightness and/or Contrast
controls are not properly
adjusted.
Use the MS-8’s Brightness
and Contrast screens
to adjust the display for
better viewing. See System
Settings Menu, on page
40.
Symptom
Symptom
Possible Cause
Possible Cause
Solution
Solution
46