Technical data

VHF/AM RADIO FSG 2T
6 Operation
June 2014 FAV_D10048 59
6.3 Receive (Listen) Operation
 After turning the radio ON the automatic squelch is either ON or OFF depending on
SQ knob position.
 Squelch ON means that – without received signal – the receiver noise is blocked, the
TX/RX LED is clear. When normal signals are received, the TX/RX LED turns to green;
weak signals and interfering pulses are disabled.
 Set the RX volume of the aircraft loudspeaker or earphone to a comfortable level by
rotating the VOL knob.
 Weak signals can be received if the squelch circuit is switched OFF by rotating the SQ
knob fully counter-clockwise. Then typical RX noise is continuously heard during
communication breaks.
 Rotating the SQ knob more cw clockwise switches the squelch circuit ON again.
 DO NOT press the PTT (Push-To-Talk) key if you want to receive! During RX the
TX/RX LED must not light RED or flicker YELLOW!
This radio contains an audio-leveling circuit. So if you change the frequency or you
receive another station you should get an almost constant audio volume (the received
signal must be at least modulated by 30% AM).
IMPORTANT!
 Switching OFF the Squelch only makes sense if long range reception
shall take place. Thus the radio is noisy during Standby operation,
but no weak signals are suppressed and the full receiving range is
available!
 Notice increased current consumption when battery operated!