Qstarz BT-Q890 User Manual - page 15
Beyond Navigation
BT‐Q890 A‐GPS nano
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1. From the Start menu, click Settings.
On the System tab, click the External
GPS icon. On some devices, this item
has a different name.
2. On the Programs tab, select any
available COM port from the GPS
Program Port drop‐down list. The GPS
data sent through the GPS Intermediate
Driver is streamed to applications
through this port. This should not be
the same port that your GPS receiver is
configured to use. If your application
can’t receive GPS data stream, leave GPS Program Port for empty.
Applications will use GPS Hardware Port as communication port.
3. On the Hardware tab, select the
COM port BT‐Q890 is configured to use
from the GPS Hardware Port
drop‐down list