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User's manual OnCourse Navigator 5
- 126 - Annex A: Problem solutions
9.1 Annex A: Problem solutions
9.1.1 Performance
Slow calculation Route calculation is very slow; the voice indications in navigation
mode are coming late.
The efficiency of both route calculation and navigation depends
on the amount of free memory and on the kind of storage card
you use.
In order to navigate properly, the system should dispose of at
least 15MB of free memory on your Pocket PC.
9.1.2 GPS receiver
Possible error
sources concerning
the initialisation of
the GPS receiver
If the GPS symbol stays red (no GPS reception) even though the
system has been installed correctly, this may be due to one of
the following reasons:
Ù Reason A: an incorrect COM-port is selected.
Ù Reason B: the receiver is not supplied with power.
A
The GPS receiver is connected to another COM-port than COM 1.
1. On the main screen, tap the Configuration button.
The C
ONFIGURATION screen opens.
2. Via the arrow buttons, select GPS.
3. Tap Automatic detection when you have reconnected or
changed your GPS receiver. Follow the instructions on the
screen.
4. Tap Manual settings when automatic detection is not
successful. Set the following values:
5. Tap the COM-Port field.
6. Select another COM-port.
If the GPS symbol becomes green, you may start navigation.