User manual

Programmable lateral function keys SK1 and SK2

Two different functions can respectively be assigned to the two lateral function keys. Function 1

is activated or deactivated through a short keystroke on the respective the function key, function 2

through a long keystroke (the duration of the keystroke for activating function 2 can be adjusted

from 1 to 5 sec.).

Factory settings

Short keystroke Long keystroke (1.5 sec.)

SK 1 Monitor Scrambler

SK 2 Battery Power Check VOX

Important note: The factory settings can only be changed by programming procedure (programming

set optional).

Function listing for function keys 1 and 2

Short keystroke Long keystroke

OFF (no function assignment) OFF (no function assignment)

Monitor Monitor Momentary

Scrambler Scrambler

Battery Power Check Alarm

Whisper mode Battery Power Check

VOX Whisper mode

Compander VOX

Compander

Monitor

By briefly pressing function key 1 (factory setting) the squelch is permanently open (during free

radio communication). By pressing the key once again, the squelch is closed again.

By pressing the key when the pilot tone process (CTCSS/DCS) is activated, the receiver muting

is deactivated. Pressing the key once again leads to a new activation of the received muting.

Scrambler

Speech scrambling prevents that your transmission can be tapped without further auxiliaries by

unauthorized persons.

Through a long keystroke on the lateral function key 1 (factory setting), the scrambler function

is activated (announcement voice encrypt ON). By pressing the key once again, the scrambler

function is deactivated (announcement voice encrypt OFF).

Note: Enable this feature on all radio sets involved.

Battery Power Check

By briefly pressing the lateral function key 2 (factory setting and when the speech announcement

is activated), the capacity of the battery is checked. Depending on the state of charge, the announce-

ment power high (capacity of battery pack of 100 % - 65 %); power middle (65 % - 30 %), power

low (30 % - 10 %) or Please charge battery (5 % - 10 % = Please charge battery) sounds.

Battery-low warning

If the capacity of the battery pack drops to less than 10 %, the red status LED flashes and the

announcement Please charge battery sounds.

When pressing the PTT button now, an alarm tone sounds and transmission is impossible. Please

charge or change the battery pack.

Connecting an external (optional) VOX headset (whisper VOX)

Activate the VOX function through a long keystroke on the lateral function key 2 (factory setting);

announcement VOX ON.