** Coverage
The maximum range is obtained during use in an open space. The only limitation to maximum possible range are
environmental factors such as blockage caused by trees, buildings, or other obstructions. Inside a car or a metal-
lic constructions, the range can be reduced.
And now, let’s communicate!!
1 Turning on
Rotate the ON/OFFVOLUME [1] knob clockwise to turn the unit on. The radio beeps 4 successive times with dif-
ferent tones (may be inhibited). The LCD [3] displays a “self-test” message for 1 second, it will then indicate chan-
nel 1.
2 Volume adjustment
To adjust the volume level, hold “MON” [10] button down while rotating the ON-OFF/VOLUME [1] knob until you
reach a comfortable listening level. Rotate it clockwise to increase and anti-clockwise to decrease the volume.
Release the “MON” [10] button. Now your Alan 441 is ready to receive and transmit.
3 Channel selection
Select the desired channel and relevant frequency by the UP/DOWN [6] controls.
CHANNEL
FREQUENCY (MHz)
CHANNEL
FREQUENCY (MHz)
01
446.00625
05
446.05625
02
446.01875
06
446.06875
03
446.03125
07
446.08125
04
446.04375
08
446.09375
4 Transmission
For maximum speech clarity, hold the radio 4 to 10 cm away from your mouth, keep the PTT button [11] pressed
and speak into the unit.
During transmission the display shows
. When the Roger beep function is enabled, the radio beeps to con-
firm to other users that your transmission has finished (see paragraph 15 “Roger Beep” to enable the function).
5 To receive
Simply release the PTT [11] button ( the icon
is displayed). When you receive a signal,
is displayed.
6 Background noise reduction (Autosquelch)
In your ALAN 441 the background noise reduction device (squelch) is activated by default. Hold MON [10] button
down to deactivate it. In this way, even low level signals can be received.
7 Automatic power save
ALAN 441 is supplied with an
automatic current economy circuit
. If the transceiver receives no signal for 7 se-