TM 1-1680-359-10
2-1. CONTROLS AND INDICATORS (Cont)
Control or
Key
Indicator
Function
1
Function Switch
(Cont)
BCN 243.0
Turns on 243.0 MHz transmitter and transmits a beacon tone. Swept audio tone is continuously
transmitted for rescue aircraft to home on. Voice reception and transmission cannot be used
in this mode.
VOICE/MCW
Turns receiver on for reception of 243.0 MHz voice or MCW signals. Also permits 243.0 MHz
voice or MCW transmission when keyed by PUSH TO TALK or MCW buttons.
2-3
