14
TROUBLESHOOTING
Problem
Reasons
Solutions
No
Position
output
but
timer
is
counting
Weak or no GPS signal
can be received at the
place of MMF GPS unit
Connect
an
external
antenna to MMF GPS 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 MMF GPS 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
MMF
GPS
connector firmly or close all
other
application
that
occupied the COM port
Can not find
MMF GPS
Poor connection
Check MMF GPS 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
MMF
GPS
indoor or inside the car.
Connect
an
external
antenna to MMF GPS and
place the antenna to an
open
space
or
car
roof,
then,
press
the
Reset
button
Содержание HI-303 MMF
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