Chapter 3: Service & maintenance
56 Troubleshooting
Troubleshooting
Action Symptom Remedy
GNSS Position
source used
is different
from the
expected
If position input source is set to Automatic
position (see System Setup) sentences from the
following talkers GP, GL, GN (and GA) are
prioritized.
Position source is selected by the quality
indicator:
1. Differential
2. Precise, Autonomous, Float_RTK,
Realtime_RTK
3. Estimated and Manuel
4. Unknown (for instance if not supported in
sentence)
5. Simulated and Invalid
On equal priority the following port order is used:
1. NMEA TU
2. NMEA CU (valid input is always autonomous
quality)
3. LWE1
4. LWE2
5. LWE3
6. INM-C
The device will automatically switch to the
position source with the highest priority available
after 5 seconds when switching to a lower
priority input and 30 seconds when switching to
a detected higher priority input.