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8. MAINTENANCE, TROUBLESHOOTING
8-8
Processor unit test
Press the A: PROCESSOR UNIT TEST soft key at the MEMORY I/O TEST menu to test
the processor unit. The equipment displays program version number and checks devices.
Results for device checks are shown as OK or NG (No Good). For any NG, request service.
A test connector is required to check ports. “ - - “ shown when no test connector is
connected. Chart number shown when chart is inserted. Press the E: RETURN soft key to
return the MEMORY I/O TEST menu.
XX.XX* = Program Version No.
XX.XX* = Program Version No.
Model 18x4C-BB/19x4C-BB Series GD-1920C-BB
* = For NAVIONICS model.
1950026
XX.XX for C-MAP model.
Program No. 1950025 XX.XX*
ROM1 : OK
ROM2 : OK
SDRAM : OK
SRAM : OK
INT. BATTERY : OK
PORT
NMEA IN/OUT 1 : - -
NMEA IN/OUT 2 : - -
RS232 : OK
HEADING : 352.2
°
NETWORK : - -
CARD SLOT :
FPGA No. :
HEADING PULSE : OK
BEARING PULSE : OK (XX.Xrpm)
TOTAL ON TIME : 000000.0 h
TOTAL TX TIME : 000000.0 h
Machine Status +130
Program No. 1950025 XX.XX*
ROM1 : OK
ROM2 : OK
SDRAM : OK
SRAM : OK
INT. BATTERY : OK
PORT
NMEA IN/OUT 1 : - -
NMEA IN/OUT 2 : - -
RS232 : OK
HEADING : 352.2
°
NETWORK : - -
FPGA No. :
Machine Status +130
No results appear when
"sub" radar selected as
radar source.
Processor unit test results
GPS sensor test (Requires GPS Receiver GP-310B/320B)
Press the B: GPS SENSOR TEST soft key at the MEMORY I/O TEST menu to test the
GPS Receiver GP-310B/320B. The equipment displays GPS receiver program version
number, and checks the GPS unit for proper operation, displaying OK or NG (No Good) as
the result. For NG, request service. Press the E: RETURN soft key to return the MEMORY
I/O TEST menu.
*: This is for GPS-310B,
"48502380XX" appears for GPS-320B.
XX = Program Version No.
PROGRAM No. *48502180XX
GPS UNIT : OK
Machine Status +115
GPS receiver test results