SDP650 – USER MANUAL
TNM-U-E-0115
Jun 15 (Iss. 1.4)
Page 22
FRONT PANEL CONTROLS
Table 4. SDP650
– Controls.
No.
Control
Label
Function
1
Tx/Rx/Power LED
Multi coloured LED. See
Table 4
below for full details of colour
indications.
2
Volume
Multifunction knob. Provides volume control (rotate clockwise to
increase the volume; counterclockwise to decrease the volume). Also
provides channel and zone selection, in conjunction with side-buttons
F6 and F13.
3
Earpiece
4
Antenna
5
Function Key F5
Prog. function key. Default
–
Emergency/Alarm
.
6
Function Key F6
Prog. function key. Allows multifunction knob to select zone if held
down.
7
PTT
Push To Talk. Hold the radio 10 cm from the mouth. Press and hold
the PTT switch and speak. Release the PTT switch to listen.
8
Function Key F13
Prog. function key. Allows multifunction knob to select channel if held
down.
9
Display
10 Function Key F1
–
Prog. function key. Default
–
Menu
Select.
11 Function Key F11
Prog. function key. Default
– Start Call.
12 Function Key F12
Prog. function key. Default
– End Call, Cancel, power On/Off.
13 Function Key F4
=
Prog. function key. Default
–
Back
.
14 Nav-Up F7
▲
Prog. function key. Default
–
Up
key for scrolling.
Nav-Down F8
▼
Prog. function key. Default
–
Down
key for scrolling.
15 Microphone
The details of the multi-coloured LED indications are contained below in
Table 5
.
Table 5. LED Indications.
LED
Colour
Meaning
LED Off.
Radio is in idle state (no call activity).
Green
Receiving a valid incoming signal.
Green Flashing
Radio in talk-back hang time. (FPP defined parameter for digital channel).
Red
Radio is transmitting.
Red Flashing
Emergency Mode active. This is a FPP defined parameter
Orange Flashing Low Battery.