TM 55-1510-219-10
e. HF Command Set - Emergency Operation.
Not applicable.
3-15. EMERGENCY LOCATOR TRANSMITTER
(ELT).
a. Description. An emergency locator transmitter
(fig.3-8) provided to assist in locating an aircraft and
crew in the event an emergency landing is necessitated.
The
output
frequency
is
121.5
and
243
MHz
simultaneously. Range is approximately line of-sight.
The transmitter unit has separate function control
switches located on one end of the case. In the event
the impact switch has been inadvertently actuated, the
beacon can be reset by firmly pressing the pushbutton
RESET switch on the front of the case. The RESET
switch and a 3-positiof toggle switch (placarded ARM,
OFF and ON) also on the transmitter case, may be
actuated by inserting one finger through a small, round,
spring-loaded door on the right side of the aft fuselage.
The transmitter unit is accessible through a service
panel located on the bottom of the aft fuselage.
b. Controls - ELT Transmitter Case.
CONTROL
FUNCTION
RESET switch
When pressed, resets transmitter
Function switch
Selects operating mode of set.
ARM
Arms set to be actuated by im-
pact switch (normal mode).
OFF
Turns set off.
ON
Activates transmitter for test
purposes.
3-16
