Beyond Navigation
BT
‐
Q890
A
‐
GPS
nano
…….………………………………………………………………………………………………………………………………………………………………….
……….…..…………………………………………………………………………...……………………………………………................
www.Qstarz.com
20
8.
Trouble
Shooting
Problems
Reasons
Methods
No
position
output
but
timer
is
counting
Weak
or
no
GPS
signal
can
be
received
at
the
place
of
BT
‐
Q890
Find
an
open
space
for
your
BT
‐
Q890
Execute
fail
Bluetooth
function
unstable
Re
‐
Start
PDA
or
PC
or
re
‐
install
software
Can
not
turn
on
the
COM
port
Install
BT
‐
Q890
incompletely
or
the
COM
port
of
the
device
is
being
used
Install
BT
‐
Q890
completely
or
stop
other
device
that
is
being
used.
Can
not
find
out
BT
‐
Q890
Poor
connection
Re
‐
Start
PDA
or
PC
and
re
‐
install
software.
No
Signal
No
action
for
few
minutes
may
cause
the
PC
enter
power
saving
mode.
It
may
close
the
COM
port
at
the
same
time.
Close
the
application
and
execute
it
again
to
re
‐
open
the
COM
port.
No
Signal
Weak
or
no
GPS
signal
when
using
BT
‐
Q890
indoor
Go
outdoors
to
improve
the
poor
GPS
signal.