SECTION 9 • SUPPLEMENTS
SUPPLEMENT 6 - FAA APPROVED
SECTION 2
LIMITATIONS
CESSNA
MODEL 172A
There is no change to airplane limitations when the KR 87 ADF
is installed.
SECTION 3
EMERGENCY PROCEDURES
-----.
There are no changes to the basic airplane emergency
procedures when the KR 87 ADF is installed.
�
SECTION 4
NORMAL PROCEDURES
TO OPERATE AS AN AUTOMATIC DIRECTION FINDER:
1. OFFNOL Control --
ON.
2. Frequency Selector Knobs -- SELECT desired frequency in
the standby frequency display.
3. FAQ Button -- PRESS to move the desired frequency from the
standby to the active position.
4.
ADF Selector Switch (on audio control panel) - SELECT as
desired.
5.
OFFNOL Control -- SET to desired volume level and identify
that desired station is being received.
6. ADF Button -- SELECT ADF mode and note relative bearing
on indicator.
ADF TEST (PRE-FLIGHT or IN-FLIGHT):
1. ADF Button -- SELECT ANT mode and note pointer moves to
\
90
° position.
2. ADF Button -- SELECT ADF mode and note the pointer moves
without hesitation to the station bearing. Excessive pointer
sluggishness, wavering or reversals indicate a signal that is
too weak or a system malfunction.
S6-8
Dec 2/96
Summary of Contents for 172R180HP
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