Page 6 2
nd
Edition – Rev 0
23-10
COMM 1 AND 2 – DESCRIPTION AND OPERATION
Interfaces to most CDI (w/resolver), HSI, and autopilot systems
VOR receiver displays To or From radial of the active channel
VOR monitor displays From radial of the standby channel
Back course annunciator output
LOC enable annunciator output
Internal RF diplexor
Active and standby flip/flop frequencies
DME tuning and data display
SL30/SL40 is installed on the central instruments panel area, within easy view and reach of
the pilot, by means of a mounting frame for ease of installation, connections and service of
the unit.
Figure 7. - Control Description SL 40