Cessna SkyHawk SP 172S NAV III 2005 Pilot Operating Handbook page 322

CESSNA SECTION 9 - SUPPLEMENTS
MOQEL 172S NAV III SUPPLEMENT 1
. EMERGENCY PROCEDURES
(CONTINUED)
1. VERIFY ELT ACTIVATION:
a. Position remote switch/annunciator to the ON position even if
annunciator light is already on.
.. b. If airplane radio is operable and can be safely used (no threat
of fire or explosion), turn ON and select 121.5 MHz. If the ELT
can be heard transmitting, it is working properly.
c. Ensure that antenna is clear of obstructions.
r
NOTE
When the ELT is activated, a decreasing tone will be heard
before the typical warbling tone begins.
2. PRIOR TO SIGHTING RESCUE AIRCRAFT - Conserve airplane
battery. Do not activate radio transceiver.
3. AFTER SIGHTING RESCUE AIRCRAFT - Position remote
switch/annunciator to the RESET position and release to the
AUTO position to prevent radio interference. Attempt contact with
rescue aircraft with the radio transceiver set to a frequency of
121.5 MHz. If no contact is established, return the remote switch/
annunciator to the ON position immediately.
4. FOLLOWING RESCUE - Position remote switch/annunciator to
the AUTO position, terminating emergency transmissions.
FAA APPROVED
172SPHAUS-S1-00
U.S.
51-9