DP770 Service Manual
Programmable, default: none. Press the key to select the items
shown at the bottom left of the
screen.
K
Dial Key
Press the key to send data or text
messages.
L 4-way Navigation Key
M
Right Key
Press the key to select the items
shown at the bottom right of the
screen.
N
ON/OFF/Hookoff Key
Return to the standby screen.
Long press the key to turn on/off
the radio.
O Numeric keypad P MIC
Q Speaker
2.2. LED Indicator
• Red LED glows: Radio is transmitting.
• Green LED glows: Radio is receiving (voice, short message, or data) or there is an activity on t
he
c
hannel.
• Orange LED glows: This means the call hang time period. That is, you can press PTT to talk while t
he
or
ange LED glows
• Orange LED flashes: Radio is in emergency status; or there is a missed call / incoming call alert; or t
he
radio is scanning.
• Red LED flashes: Radio is receiving emergency alarm or "power on check" failed.
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