Mio A701 - Manual (Page 85)

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6.7.1 Protocol
This is the ‘language’ the GPS and MioMap communicate in. The default NMEA is
the worldwide standard that practically all GPS devices are able to use.
Note: If you use SiRF protocol in MioMap, you need to change the protocol of your
GPS to SiRF as well. This cannot be done in MioMap. You need to quit MioMap and
use the application provided with your GPS.
6.7.2 Port
There are different wired and virtual serial ports on your PDA . You need to know
which of them your GPS is connected to, and set it here.
6.7.3 Baud rate
You also need to set the speed your GPS is communicating at. The higher the
speed, the smaller the position delay there will be (there is always a small delay
between the real position and the position shown in navigation systems due to the
time consuming processing and communication).
Tip: Unless you are comfortable with these settings, or you have a special
configuration that demands manual set-up, you should use the automatic GPS
detection feature of MioMap to configure your GPS.