TMF Microphone Operation
The optional TMF microphone can be used in conjunction with your radio to operate on telephone
interconnect systems, if programmed by your Dealer. The ( Phone) icon will be displayed when an
interconnect Group has been selected in the trunked mode, no icon will be shown for conven-tional
operation. The microphone can be operated in an auto dial mode or manually operated and is back
lighted for low light conditions. The microphone can also be used for DTMF applications other than
telephone interconnect. Consult your Dealer for other application possibilities.
A telephone ringer will be heard when a telephone connection has been established or for
an incoming call.
Auto Dial Operation
Up to 16 digits can be dialed when using auto dial. Follow these steps toplace a call using auto
dial.
1. Ensure you have selected the appropriate System with an interconnect Group.
2. Enter the desired number by pressing and releasing 0 –9, * or # keys. The dialed numbers will
appear in your radio display. # will be indicated as P in your display. Note: The # key is
normally used to end, or hang up, an interconnect system. Consult your Dealer for exact
system operation.
3. Press the SND key to send the dialed number.
4. When the called party answers, press the P-T-T of the microphone to answer. Release the
P-T-T to listen for a response.
5. When the conversation has ended Press and hold the P-T-T of the microphone press and hold
the # key for 1 or 2 seconds to end the call. Release the P-T-T when the call has ended.
Manual Dial Operation
1. Ensure you have selected the appropriate System with an interconnect Group.
2. Press and hold the P-T-T of the microphone and enter the desired number by pressing and
releasing 0 –9, * or # keys. The dialed numbers will appear in your radio display. # will be
indicated as P in your display. Note: The # key is normally used to end, or hang up, an
interconnect system. Consult your Dealer for exact system operation.
3. When dialing is complete release the P-T-T and wait for the called party to answer.
4. When the called party answers, press the P-T-T of the microphone to answer. Release the
P-T-T to listen for a response.
