Operation Manual

APMP300
11
Call-Ringtone
Roger Beep
4.8
4.9
You can use the Call Ringtone to nofy other APMP300 users on your
channel that you wish to send them a message.
The Roger Beep is a tone that is automacally transmied when the
PTT key (2) is released.
• To do this, press the CALL key (4).
This way the receiver knows that the message has been completed.
Key lock4.10
The key lock funcon has now been enabled.
The key lock funcon locks the following keys UP, DOWN, MENU.
• Keep the MENU key (6) pressed down unl the
key symbol appears on the display (9).
• Keep the MENU key (6) pressed down once more
in order to disable the key lock.
4
6
9