User's Manual

DP770 Instruction Manual 13/27
7 P Q R S
8 T U V
9 W X Y Z
0 Blank
* Input punctuation: ',', '.', '/', '\\', '?', '!', ':', ';', '\'', '"', '~', '@', '*', '#', '%',
'(', ')', '[', ']', '{', '}', '<', '>'
6) PTT key
There are two functions for the PTT key:
(1) During the call, press the PTT key to call the other members joined in this
call.
Press down the key and talk to send the call; release it to receive the call.
(2) Press the PTT key to make a new call.
7) Switching between digital and analog mode
Each channel in the radio can be set as digital channel or analog channel.
Rotate the Channel knob to switch between digital and analog mode.
When switching from digital mode to analog mode, some of the functions are unavailable, e.g.
short message. Icons representing the digital function will not display on the screen, the items will
not display in the menu either.
8) Icons indication
Signal strength indication: each bar indicates one level of the
signal strength. Four bars are the strongest. This icon displays
only when receiving signal.
High power
Low power
Mute
There is unread message in the inbox.
The inbox is full.
Keyboard is locked.
Emergency alarm mode
Alarm clock