Cessna 172SPHUSR05 Pilot Operating Handbook page 306

SECTION 9 - SUPP L E M ENTS
SUPPLEMENT 4 - FAA APPROVED
In accordance with FAA regulations, the ELT's battery pack must
be replaced after 2 years shelf or service l ife or for any of the
following reasons:
a. After the transmitter has been used in an emergency situation
(including any i nadvertent activation of unknown duration).
b. After the transmitter has been operated for more than one
cumulative hour (e.g . time accumulated i n several tests and
inadvertent activation of known duration).
On or before battery replacement date. Battery replacement
date is marked on the battery pack and the label on the
q.
transmitter.
POINTER, INC TEMPE, AZ
Figure 1 . Pointer Model 3000- 1 1 Emergency Locator Transmitter
1 . REMOTE
switch/ann u nciator located on the copilot's i nstrument panel.
2. ANTENNA RECEPTACLE -- Connects to antenna mounted on
top of tai l cone.
3. TRANSMITIER ANN U NCIATOR LIG HT -- Illuminates red to
indicate the transmitter is transmitting a distress signal.
4. MASTER FUNCTION SELECTOR SWITCH (3-position toggle
switch):
AUTO --
ON --
54-4
CAB LE JACK
Arms transmitter for automatic activation if
switch senses a predetermi ned deceleration level .
Activates transmitter i nstantly.
purposes and if
II
position bypasses the automatic activation switch.
(The red annunciator i n the center of the remote
switch/annunciator should illuminate).
2685P601 2
-- Con nects to
G switch is i noperative. The O N
II
CESS NA
MODEL 1 72S
RESET
5
EL T remote
G
II II
Used for test
May 30/00