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SDP660 – USER MANUAL
TNM-U-E-0114
Jun 15 (Iss. 1.4)
Page 23
FRONT PANEL CONTROLS
The functions of each of the controls are detailed below in
Table 4
.
Table 4. SDP660
– 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; anticlockwise 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. Assignable key for Zone or Channel browsing.
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. Assignable key for Zone or Channel browsing.
9
LCD Display
10 Function Key F1
Menu Prog. function key. Default –
Menu
Select.
11 Function Key F11
Prog. function key. Default – Start Call, Send Message.
12 Function Key F12
Prog. function key. Default – End Call, Cancel, power On/Off.
13 Function Key F4
Mon
Prog. function key. Default
–
Mon
(Monitor).
14 Nav-Up F7
▲
Prog. function key. Default
–
Up
key for scrolling.
Nav-Down F8
▼
Prog. function key. Default
–
Down
key for scrolling.
Nav-Left F9
◄
Prog. function key. Default
–
Left
key for scrolling.
Nav-Right F10
►
Prog. function key. Default
–
Right
key for scrolling.
Nav-Select
Select Default – Function
Select
.
15 Numeric Keypad
Used to enter Idents, send text messages and set status.
16 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.