Using The Scrambler; Using The Hailer; Using The Intercom; Turning The Backlight On And Off - Unlden Wham X4 UM525 Manual De Instrucciones

Note: Channel mode display information always appears first.
It appears when the radio receives an incoming transmission
or when the radio is transmitting. Toggle back and forth
between the two displays by repeatedly pressing
SELECT/SCRAM from the channel display screen.

Using the Scrambler

Hold down SELECT/SCRAM for about 2 seconds. The
radio turns on Scramble mode for the selected channel.

Using the Hailer

Briefly press HAIL/INTERCOM. The radio activates its
hailer. Press PTT to use the hailer. Briefly press HAIL/
INTERCOM to turn off the hailer. Repeatedly press to
increase or to decrease the outgoing hail volume.
Briefly press POWER/VOLUME, then repeatedly press
to increase or to decrease the incoming hail volume.

Using the Intercom

Hold down HAIL/INTERCOM for about 2 seconds. The
radio activates its intercom and all available units appear
on the display. You can select any displayed unit to
communicate with.

Turning the Backlight On and Off

Repeatedly press LIGHT/LOCK to adjust the display
backlight level. Press LIGHT/LOCK when the backlight is
set to its highest level to turn off the backlight.

Using Keylock

Hold down LIGHT/LOCK for about 2 seconds to turn on
the keylock. All keys on the microphone except PTT are
locked. To turn off keylock, hold down LIGHT/LOCK for
about 2 seconds or turn the microphone off then on again.

Using Distress

To send a distress call, lift the protective tab over DISTRESS
then hold down DISTRESS for about 5 seconds. You hear
an audible countdown from 5 seconds to 0 as you hold
down DISTRESS. The radio does not send the distress
call if you release DISTRESS before the countdown is
complete.
17
Basic Operation