Garmin GPS III Plus - Manual (Page 94)

REFERENCE
Setup Menu: Interface
84
Interface Settings
Format lets you control the input/output format used when connecting your GPS III+ to
external NMEA devices, a DGPS beacon receiver, a personal computer, etc. Five format
settings are available:
• GARMIN — the proprietary format used to upload/download MapSource data,
exchange waypoint, route, track log data with a PC or with another GPS III+.
• GRMN DGPS — used to connect the III+ with a GARMIN DGPS beacon receiver
• NMEA — supports the input/output of standard NMEA 0183 version 2.0 data.
• None — provides no interfacing capabilities.
• RTCM/NMEA — allows Differential GPS (DGPS) input using a standard RTCM
format and also provides NMEA 0183 version 2.0 output.
• RTCM/Text — allows DGPS input using a standard RTCM format and also
provides simple text (ASCII) output which contains time, position and velocity data.
• Text Out — outputs simple text (ASCII) which contains time, position and velocity.
To select an input/output format:
1. Highlight the 'Format’ field and press ENTER.
2. Select the desired setting and press ENTER.
3. If the ‘GARMIN’ format is selected, highlight the ‘Transfer Mode’ field and press ENTER. Select
the desired setting and press ENTER. The ‘Transfer Mode’ field allows you to specify what informa-
tion to request or send to a second GARMIN GPS III+. The ‘Host’ setting lets you control all data
transfer functions from the second GPS III or from a PC. Set to 'Host' when using the III+ with
MapSource.
4. If an ‘RTCM’ format is selected, additional fields are provided to control a GARMIN differential
beacon receiver (e.g. GBR 21/23) directly from your GPS III+. The unit will automatically scan for a
frequency, or you can manually enter the beacon frequency and bit rate. For more information, refer
to the owner’s manual for your GARMIN differential beacon receiver.
The ‘GARMIN’ option allows
the GPS III+ to exchange data
with a PC or another GPS
III+. Use this setting with the
optional PC Software Kit.
Select the ‘Text Out’ option
to output simple text (ASCII).
For additional details on
this format, please visit the
GARMIN web site.