User Guide

27
TROUBLESHOOTING
Problem Reasons Solutions
No Position
output but
timer is
counting
Weak or no GPS signal
can be received at the
place of HI-204
III -USB
unit
Place the HI-204 III -USB under
an open space, then, press
'Reset'
At outdoor space but
GPS signal is blocked
by building or car roof
To try again, go to outdoor and
press 'Reset' or connect
external antenna on the side
of HI-204
III -USB to improve
the poor GPS signal
Can's open
COM port
The PS/II connector
did not insert correctly
or some other
application is the COM
port
Plug HI-204 III -USB connector
firmly or close all other
application that occupied the
COM port
Can not find
HI-204
III -USB
Poor connection Check HI-204 III -USB if Plug
firmly
No signal No action for few
minites may causes
PocketPC into the
power saving mode. It
could close the COM
port at the same time.
Close all applications and
exacute it again to re-open the
COM port
Weak or no GPS signal
when using HI-204
III -USB
indoor or inside the car.
Put HI-204 III -USB to an open
space or car roof, then, press
the Reset button