Furuno GP-3500 - Manual (Page 176)

11. MAINTENANCE & TROUBLESHOOTING
11-6
0-6. MEMORY I/O TEST
PLOTTER
ROM
: OK
RAM : OK
NMEA IN/OUT 1 : - -
NMEA IN/OUT 2 : - -
NMEA IN : - -
RS232C : - -
BACKUP DATA : OK
INTERNAL BATTERY : OK
INTERNAL GPS : OK
INTERNAL BEACON : OK
PROGRAM NUMBER
PLOTTER
: 1451712-XX.XX*
GPS RECEIVER : 48502640XX
BEACON RECEIVER : 08501820XX
PRESS MENU KEY TO FINISH THE TEST.
XX: Program version No.
For "NMEA IN/OUT 1", "NMEA IN/OUT 2", "NMEA IN" and "PC" are for factory use.
Normally, "- -" appears on the test screen.
Only when the optional DGPS receiver board is equipped.
*: C-MAP: 1451714-XX.XX
Memory I/O test
5. Confirm that all check items are “OK.”
6. Press the [MENU] key to finish the memory I/O test.
7. Press the [MENU] key for several times to close the menu.