Diagnostics - Furuno 1623 Operator's Manual

2.4 Diagnostics

If you feel that your unit is not working
properly, conduct the appropriate diagnostic
test, display unit or antenna unit, to find the
possible cause. If you cannot restore normal
operation, contact your dealer for advice.
Display unit
1. Turn on the power while pressing and
holding down the [MENU/ESC] key.
Continue pressing the [MENU/ESC] key
until the Installation menu appears.
INSTALLATION MENU
SIMULATION
TEST ...
LCD PATTERN ...
MEMORY CLEAR
NMEA PORT
NMEA OUTPUT
GPS WAAS
RADAR SETUP
SCANNER TEST
Installation menu
2. Press ▼ to choose TEST.
3. Press ► to start the test. In a few
moments the results will appear.
Level bar
DISPLAY UNIT
ROM OK
RAM OK
NMEA OK
RS232C OK
GPS SENSOR
STATUS OK
PROGRAM-NO.
XXXXXXX-XXX
#
Program No. 0359193-0**
Push [MENU] 3 times to exit.
** = Program version no.
# = Number depends on equipment
connected.
Diagnostic test results
OFF
: IN/OUT
: OFF
: OFF
Interpreting test results
Item
ROM, OK: Normal
RAM NG: No Good
NMEA OK: Normal
01: NMEA input 1 is abnormal
02: NMEA input 2 is abnormal
- -: NMEA input 1 and 2 are
RS232C Used for updating software.
Normally blank.
GPS OK: Normal
SENSOR NG: No Good
4. The squares at the right side of the test
results display are for checking controls.
Press each key and the arrows on the
cursor pad one by one. A control's
corresponding on-screen square "lights" in
black if the control is working properly.
5. To return to the Installation menu, press
the [MENU/ESC] key three times.
6. To restore normal operation, turn off the
power and then turn it on again.
20
Results
abnormal