Trouble Shooting - Holux GM-270 User Manual

4. Trouble Shooting

Problem
Weak or no GPS signal can be received at the
No position place of GM-270 CF GPS
output but timer
is counting
At outdoor space but GPS signal is blocked by
buildings or car roof.
Execute Fail Wrong CPU Type
Can't Open GM-270 CF GPS is not inserted or some other
COM port application is using the COM port.
Can't Find GPS
Poor connection
Module
No action for few minutes may cause Pocket PC
entry power save mode. It will close the COM
port at the same time.
No signal
Weak or no GPS signal when using GM-270 CF
GPS indoor.
Reason Solution
Connect an external antenna which locate as a
open space to your GM-270 CF GPS and then
press Reset Button
Go outdoor and press Reset Button to try again, or
connect an external antenna to improve the poor
GPS signal.
Pocket PC support multiple types of CPU. Make
sure you download the correct software. (You can
use 'setting' function of start menu on your PDA
to check the correct CPU type)
Insert GM-270 CF GPS or Close all other
applications that using the COM port.
Check the GM-270 CF GPs is inserted correctly.
Close the application and execute it again to
reopen the COM port.
Connect an external antenna to your GM-270 CF
GPS and place it at a open space, then press Reset
button.
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