Navman 5605 Benutzerhandbuch

TRACKER 5505/5505i/5605 Installation and Operation Manual

NAVMAN

2-1 No GPS fix or long time to get fix at
startup:
a May occur occasionally if the antenna

does not have a clear view of the sky. The
satellite positions are constantly changing.

b Antenna cable not connected to display

unit.

c Restart the GPS (see section 14-3).
2-2 TRACKER GPS position different from true
position by more than 10 m (33 ft):
a TRACKER in simulate mode. Turn simulate

mode off (see section 14-11).

b The normal error in GPS position will

exceed 10 m (33 ft) for about 5% of the
time.

c Under special circumstances the US

Department of Defence may introduce a
deliberate and changing error in the GPS
positions of up to 300 m (1000 ft).

2-3 TRACKER position different from same
position on local charts:
a TRACKER in simulate mode. Turn simulate

mode off (see section 14-11).

b Incorrect chart datum. Select the correct

chart datum (see section 14-2).

c Map shift has been applied wrongly. Clear map

shift, then reapply if necessary (see section
14-2).

2-4 Can not see boat on chart:

Press

to switch to centre on boat

mode (see section 3-2-1).

2-5 The time or date on satellite display is
wrong or off:
a No GPS fix.
b In simulate mode. Turn simulate mode off

(see section 14-11).

c Local time offset is wrong (see section

14-10). The Local Time Offset must be
changed when daylight saving time starts
or ends.

2-6 Autopilot not responding to TRACKER; no
NMEA output:
a NMEA output disabled or the required NMEA

sentences are not turned on. Check NMEA
settings (see section 14-9).

b Check that the instrument is connected

correctly.

2-7 No DGPS fix or loss of DGPS fix:
a To receive a DGPS fix, WAAS/EGNOS must

be enabled or an optional DGPS antenna
fitted (see section 7).

b With WAAS/EGNOS: Boat out of coverage

area (see section 7).

c With WAAS: GPS antenna does not have

a clear view of the horizon towards the
equator.

b With beacon DGPS: boat out of range of a

DGPS beacon.

B-2 GPS navigation problems