14
TROUBLESHOOTING
Problem
Reasons
Solutions
No Position
output but
timer is
counting
Weak or no GPS signal
can be received at the
place of HI-303
III
unit
Connect an external
antenna to HI-303
III
and
place the antenna under a
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-303
III
to
improve the poor GPS
signal
Execute Fail Wrong CPU type
PocketPC support multiple
typs of CPU. Make sure you
download the correct
testing (or mapping
software). You can use the
PDA smart menu's 'setting'
function to see wether the
CPU type is correct or not.
Can's open
COM port
The mini-1394 or CF
connector did not
insert correctly or some
other application is the
COM port
Insert all HI-303
III
connector firmly or close
all other application that
occupied the COM port
Can not find
HI-303
III
Poor connection
Check HI-303
III
if insert
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-303
III
indoor or inside the car.
Connect an external
antenna to HI-303
III
and
place the antenna to an
open space or car roof,
then, press the Reset
button
