Sys Configuration; Figure 6-2. Serial Port Page; Figure 6-3. Dst Display Page; Table 6-1. Serial Port Selections - Garmin GTR 225 Installation Manual

6.4.1

SYS Configuration

6.4.1.1 Serial Port
The Serial Port page (Figure 6-2) allows the installer to configure the I/O mode for the RS-232 port. See
Table 6-1 for the selections that are available:
Selection
NONE
AVN IN/MAPCOM
NMEA
6.4.1.2 DST Display
The DST Display page (Figure 6-3) allows the installer to configure source priority for the display of
distance, speed, time (DST) information, if both GPS and DME systems are providing data to the GNC.
The GNC can display DST data from a DME or GPS device. Select "GPS, DME" to give priority to DST
data from a connected GPS receiver or "DME, GPS" to give priority to DST data from a connected DME
receiver.
190-01182-02
Rev. B

Figure 6-2. Serial Port Page

Table 6-1. Serial Port Selections

Description
No unit(s) connected to input/output of this channel.
Serial data transfer with the GTN 6XX/7XX and GNS 400W/500W series.
Serial data transfer with G500/G600, GPSMap, Aera Series, XL Series, or
GX Series.

Figure 6-3. DST Display Page

GTR 225/GNC 255 TSO Installation Manual
Page 6-3