You might try connecting to the Bluetooth provided com port wit a terminal program. Hyperterminal woks fine if you are using Windows XP. Bluetooth GPS devices usually communicate at 38400 baud or higher.
You should see see data sentences that look something like these:
$GPRMC,022722.000,A,4103.5880,N,07520.6863,W,0.02,30.04,040110,,*2F
$GPGGA,022723.000,4103.5880,N,07520.6862,W,1,08,1.2,423.3,M,-33.9,M,,0000*68
$GPGSA,A,3,09,14,12,22,18,26,30,31,,,,,2.0,1.2,1.6*37
$GPGSV,3,1,10,14,68,345,36,22,66,157,38,26,56,055,35,30,41,115,42*7A
$GPGSV,3,2,10,31,36,226,30,12,33,071,37,18,29,142,28,09,09,048,28*73
$GPGSV,3,3,10,11,07,311,12,32,06,314,*7E
--- CHAS