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9. MAINTENANCE & TROUBLESHOOTING
9-3
DOP error
When PDOP value exceeds 6 in the 3D
mode, or HDOP value exceeds 4 in the 2D
mode, this error occurs and the following
message appears.
DOP Error
Figure 9-6 DOP error message
Press the CLEAR key to silence the buzzer.
If the CLEAR key is not pressed, several
beeps sound every three minutes.
Error message disappears automatically
when normal operation is restored.
DGPS error
When the DGPS alarm is active and DGPS
data contains errors or the DGPS beacon
station is experiencing transmitting problems,
the message shown in Figure 9-7 appears.
Normal operation is restored when DGPS
signal is acquired.
DGPS Error
Figure 9-7 DGPS error message
Refer to DGPS INTEGRITY STATUS in “8.7
Display GPS Monitor Displays” to confirm
DGPS Beacon station status.
Self test error message
If the self test (conducted when turning on
the power) finds equipment error, the
message shown in Figure 9-8 appears.
GPS No fix GPS SEFTTEST error XX
Figure 9-8 Self test error message
If the self test error message appears,
consult your dealer for advice.