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If you are experiencing difficulties with your BT-48, consult the following
troubleshooting table for possible solutions.
BT-48 Problems
Problem Diagnosis Solution
• Power failure • Batteries are run out
of electricity
• Batteries are not
loaded in correct
polarity
• Batteries are not
matched
• Check the power source installation
• Reconfirm the power source is
normally applied
• Check the batteries can be
functioned or not
• Do not mix different types of batteries
together
• Module has
no data output
• Power failure
• Bluetooth connection
fail
• Baud rate is incorrect
• Antenna is
obstructively
functioned
• Refer to the solution of power failure
• Check Bluetooth connections
• Fix the baud rate at 4800bps
• Make the antenna locate in a full view
of the sky
• GPS data is
not in correct
order
• Module takes
a longer time to
start
• Module is in cold
start mode
• Under cold start mode, the module is
to be initialized for 45 seconds
• Longer TTFF results from necessary
accumulation of GPS data from each
satellite or obstruction of the sky
view.
• Pocket PC
cannot find
BT-48
• Pocket PC Bluetooth
function is not open.
• BT-48 is not
powered.
• BT-48 is in low
Battery Mode.
• Bluetooth connection
is busy.
• Make sure the Pocket PC Bluetooth
function is on
• Replace the old batteries or recharge
the batteries.
• Reconnect Pocket PC and BT-48
once again.
• Reset both Pocket PC and BT-48 and
reconnect again.
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