3. The third digit represents the protocol selection for TxD2.
0 = Use DA-15S connector protocol hardware jumpers.
1 = UPS Aviation Technologies. 1200bps.
2 = Trimble/Garmin. 9600bps.
3 = Northstar. 2400bps.
4 = Magellan, 1200bps.
Example:
Type P210<enter>
Defined as 10 foot resolution on TxD1, TxD2 and RS485. UPS
Aviation Technologies protocol transmitted on TxD1 and RS485.
Trimble/Garmin protocol transmitted on TxD2.
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