User Guide
33
English
RADIO CALLS
To initiate a DTMF call with Manually
Dialled Telephone Interconnect Call
Note: The radio starts a programmable timer the 
moment both parties stop transmitting (talking). If 
the time-out timer expires, the radio will end the 
phone call.
Permanent DTMF Mode
Press the pre-programmed DTMF button once, to 
put the keypad microphone into permanent DTMF 
live dial mode. Press the DTMF button again to 
disable the DTMF live dial. The radio then returns to 
the IDLE STATE and select calls can be made.
Alternatively, use the DTMF menu option to 
enable or disable permanent DTMF Mode.
Note: Permanent DTMF mode is not available in scan or 
during a call.
Using the DTMF Button
1. Press the DTMF button to switch on permanent 
DTMF Mode when the feature enable alert will 
sound, the display icon D is lit and the display 
will show:
2. Press the DTMF button again to switch off per-
manent DTMF Mode when the feature disable 
alert will sound, the display icon D is extin-
guished and the display will show:
1 Enter the interconnect call from the keypad 
microphone, you will hear a tone sequence.
Display shows e.g.
2 Press dedicated Call Button (PTT or Call 1-4)
Display icon lit: D
3 Wait for call set up and you hear a dial tone.
Display shows:
4 Enter desired phone number, taking care not 
to press the PTT. 
Note: Each DTMF digit is transmitted 
instantly.
Display shows e.g.
5 Once the radio has connected to the called 
number, you can begin the conversation. 
Even though this is a phone call, your 
conversation mimics a radio call, and both 
parties speak in turn, i.e. press PTT to talk, 
release to listen.
6 To end the call press the Monitor Button or 
change channel. The clear down call is sent 
automatically from your radio to shutdown the 
phone line.
122
ENTER
8116
DTMF ON
DTMF OFF










