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MEMORY, I/O PORT TEST
* ROM
RAM
VRAM
Battery
SIO(GPS)
SIO(NMEA)
SIO(DGPS)
MEMORY CARD
SPEED 12.3kt
TEMP +11.2 °C
ESC:Esc
OK
OK
OK
OK
OK
OK
OK
Figure 6-3 Sample memory, I/O port test results
5) The test runs continuously. To return to the self-test menu, press
the [MENU ESC] key.
Panel test
This test checks the keys of the display unit for proper operation.
1) Press the [MENU ESC] key.
2) Press [0] key to select SYSTEM MENU.
3) Press [1] key to select SELF TEST.
4) Press the [3] key to select PANEL TEST. The following dis-
play appears.
PANEL TEST
Program No.
0252218002
Press ESC key
3 times to escape
Figure 6-4 Panel test
5) Press a key. The key’s location on the display "lights" in re-
verse video if the key is functioning normally.
6) To escape, press the [MENU ESC] key three times.