Furuno GPS NAVIGATOR GP-150 - Manual (Page 65)

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 following
indication appears.
DOP Error
Final GPS Time/Position
Aug 25, 2006 02:09’43" U
34 45.459 ’N 134 45.459’E
Press CLEAR to Close window.
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.
DGPS error
When DGPS data contains errors or the
DGPS beacon station is experiencing
transmitting problems, the message shown
in Figure 9-7 appears.
DGPS Error
Figure 9-7 DGPS error message
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 Self Test Error
Figure 9-8 Self test error message
If the self test error message appears,
consult your dealer for advice.