JRC JAN-701B Instruction Manual page 519

Trouble –continued--
Symptom
The brightness does not
change even if the
[BRILLIANCE] knob is turned.
None of the keys on the
operation panel work.
The trackball does not work.
The [EBL] and [VRM] dials do
not work even if turned. Or,
response is slow.
The [GAIN], [VIDEO] and
[SEA/RAIN] dials do not work
even if turned. Or, response is
slow.
When the [ ] (Navigation &
Planning) button in the startup
menu, the message "Path is
incorrect or Master Drive is
failed" is displayed.
The power was turned off
during ARCS index creation by
Chart Portfolio, and Navigation
& Planning cannot be started
with an error message being
displayed.
Cause
The lighting control circuit does
not work.
The cable is damaged.
The main unit has
malfunctioned.
The cursor is displayed as an
hourglass.
The operation panel circuit is
malfunctioning.
The main unit has
malfunctioned.
The trackball is dirty.
The main unit has
malfunctioned.
The [EBL] and [VRM] dials are
not ready for operation.
The knob is not secured to the
shaft.
The main unit has
malfunctioned.
The [GAIN], [VIDEO] and
[SEA/RAIN] dials are not ready
for operation.
The knob is not secured to the
shaft.
The main unit has
malfunctioned.
Hard disk failure
Chart index failure
10-19
Remedy
Call the JRC sales
representative for repair.
Call the JRC sales
representative for repair.
Call the JRC sales
representative for repair.
Wait until the hourglass returns
to a cursor.
Call the JRC sales
representative for repair.
Call the JRC sales
representative for repair.
Clean the trackball.
Call the JRC sales
representative for repair.
Press the [EBL]/[VRM] keys.
Use a hexagonal wrench to
secure the knob to the shaft.
Call the JRC sales
representative for repair.
Press the [RADAR] key.
Use a hexagonal wrench to
secure the knob to the shaft.
Call the JRC sales
representative for repair.
See 13.5 "User Maintenance
Menu."
Start Chart Portfolio, select
[Chart] - [ARCS] - [Regenerate
Index] to create the chart index
again.
10 Maintenance and Inspection
ECDIS