Garmin GPS 120 User Manual
Page 53
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The last GPS 120 setup page is the I/O setup
page. This page lets you specify the interfacing for
mats for connecting external devices. There are six
I/O options available: GRMN/GRMN, None/None,
None/NMEA, NMEA/NMEA, RTCM/None, and
RTCM/NMEA.
Each designation lists the input format first, fol
lowed by the output format. To select I/O format:
1. H ighlight the I/O field and press
2. Use the <A,and '▼ 'keys to toggle through and
select the desired setting and press
The GRMN/GRMN setting is a proprietary for
mat that lets you exchange information such as
waypoints, routes and track logs between two com
patible GARMIN GPS units or a PC with an option
al GARMIN PC kit. During data transfer, the num
ber of packets being exchanged will be displayed
on screen. To select a transfer option:
1. H ighlight the 'host* field and press
2, U sethe i<k.and ▼ keystoselectthedesired
setting and press
To disable all GPS 120 interfacing capabilities,
select the None/None setting. If you want to output
NMEA data to compatible external devices without
any differential input capability, select
the None/NMEA setting.
Once a NMEA output setting has been selected
{with or without RTCM input), the NMEA field will
become highlighted. To choose an NMEA
format (0180,0182 or 0183 version 1.5 or 2.0):
1. Press 0to begin a N M EA selection.
2. U sethe >A,and '▼ 'keystoselectthedesired
setting and press
3. The baud rate w ill be selected autom atically.
1^0
SETUP
iGRMH^'GRriH
WfilTING...
_____o-f_____
PACKETS
I/'O
SETUF
[flOHE^HMER?
HOST
WAITING...
_____oT______
PACKETS
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