SECTION 9 - SUPPLEMENTS
SUPPLEMENT 3 - FAA APPROVED
CESSNA
MODEL 172R
9. PASSENGER INTERCOM VOLUME (VOL PASS) KNOB -- Adjusts
passenger intercom volume.
10. INTERCOM MODE SELECT SWITCH -- Has three modes "ALL",
"CREW", AND "PILOT" which are selected with the toggle switch on
the lower left side on the faceplate. In the "ALL" position the pilot,
copilot, and passengers are all on the same intercom "loop" and
everyone hears the radios. In the "CREW" position the pilot and
copilot are on one intercom loop and can hear the radios while the
passengers have their own dedicated intercom and do not hear the
radios. In the "PILOT" mode the pilot hears the radios but is isolated
from the intercom while the copilot and passengers are on the same
intercom loop and do not hear the radios.
When either the "ALL" or "CREW" intercom modes are selected, the
pilot's and copilot's intercom volume is controlled by rotating the Crew
Intercom Volume Knob (left inner knob) while the passenger's volume
is controlled by rotating the Passenger Intercom Volume Knob (left
outer knob). When the "PILOT" intercom mode is selected, the
copilot's and passenger's volume is controlled with the Passenger
Intercom Volume Knob. Remember, the volume knobs on the KMA 26
control intercom volume only, not the receiver's volume.
11. MARKER MUTE BUTTON -- Mutes currently active marker beacon
audio.
Figure 1. Bendix/King KMA 26 Audio Selector Panel (Sheet 3 of 3)
S3-6
Dec 2/96
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Summary of Contents for 172R180HP
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