Garmin GI 275 Installation Manual page 427

Mfr Model
Garmin SL30
190-02246-10
Rev. 11
Data Format Interfacing Equipment Configuration Information
With no external CDI connected to SL30, set INDICATOR HEAD TYPE:
SERIAL.
With external "standard CDI" connected to SL30, set INDICATOR HEAD
RS-232
TYPE: RESOLVER.
With external "composite CDI" connected to SL30, set INDICATOR HEAD
TYPE: SERIAL.
Notes
Software v1.3 or later is required.
Can be NAV 1, NAV 2, or both.
GI 275 Part 23 AML STC Installation Manual
Page C-9