4 | Alan 42 DS instruction guide
is turned on, it always transmits with high power (4W). By pressing this button,
the unit will transmit with low power (1W). The display will show “LOW”. Press
again the H/L button to return to “HIGH” power level.
12. LOCK button: it allows you to lock the keyboard, thus avoiding accidental use
of the keys.
13. Q.UP - Q.DOWN buttons: to skip 10 channels up (Q.UP) or 10 channels
down (Q.DOWN).
14. Loudspeaker
15. Dual Watch: this function allows the synthonization on two dierent channels
at the same time. Thanks to this function, you can monitor a second channel.
When a signal on the second channel is received, the conversation on the first
channel is automatically interrupted and the receiver switches on the second
channel. The monitoring starts again 4 seconds after the signal end.
To activate this function, operate as follows:
- Select the desired channel through the channel selector
- Press the DW button
- Select the second channel
- Press the button DW again
- To cancel the function press again the DW button or the PTT button.
16. SCAN /Noise Blanker button: with this control, you can automatically seek for
a busy channel.
- Rotate the squelch clockwise until the background noise is no longer he-
ard; or rotate the knob totally anti-clockwise to use the digital squelch.-
Press the ‘’SCAN’’ button: the transceiver will scan automatically all the
channels until a carrier is being received.
- When it finds the carrier, it stops and starts again some seconds after the
end of the communication on the channel.
- When the radio is transmitting, the scan function is deactivated.
- Keep pressed the SCAN button for 2 seconds to activate the Noise Blan-
ker filter; “AM” or “FM” will blink on the display.
17. button: display lighting (temporized).This function allows to operate
in darkness conditions. By pressing this button, the display is lighted for 5
seconds.
18. Push to talk button (PTT): Its pressure activates the transmission. When it is
released, the receiver is activated.
19. Battery compartment: insert 6 alkaline batteries or 8 rechargeable
Ni-Mh batteries.
20. Hole for wrist belt
21. Channel UP: to skip to the next channel. Keeping this button pressed, the
“autorepeat” function is obtained.
22. Channel DOWN: to skip to the previous channel. Keeping this button pressed,