Appendix F - Wiring Diagram - Garmin eTrex Summit - Hiking GPS Receiver Owner's Manual

Appendix F
Wiring Diagram
Interface formats are selected from the SETUP Page. The input/output lines on your eTrex Summit are RS-232 compatible, allowing easy
interface to a wide range of external devices, including PC' s , differential beacon receivers, marine autopilots and/or a second GPS receiver.
The NMEA 0183 version 2.0 interface format is supported by the eTrex Summit and enables the unit to drive up to three NMEA devices.
NMEA 0183 Version 2.0 Approved Sentences:
GPGGA, GPGLL, GPGSA, GPGSV, GPRMB, GPRMC, GPRTE, GPWPL, GPBOD, HCHDG
Garmin Proprietary Sentences:
PGRME (estimated error), PGRMM (map datum), PGRMZ (altitude), PSLIB (beacon receiver control)
DGPS (Differential GPS) corrections are accepted in RTCM SC-104 version 2.0 format through the 'Data In' line.
The eTrex Summit may be hard-wired to a serial connector using the Data Cable (see your Garmin dealer or visit www.garmin.com for
availablity). Refer to the wiring diagram and the eTrex Summit unit data connection illustrated above.
60
eTrex Summit Connector
Indexing Slot
(align with
slot on unit)
The optional PC Interface Cable (010-10206-00)
Data
Cable