38
CONVENTIONAL MODE OPERATION
SQUELCH ADJUSTMENT, Continued
radio and does not require adjusting. If it becomes necessary
to adjust the squelch, use the following procedure.
NOTE:
The radio must be on a conventional system or an
EDACS working channel (i.e., receiving a voice call) to adjust
the squelch. It is recommended to adjust squelch from a
conventional system.
Press and hold the
SYS
button. Use the
!
button to open
the squelch or the
#
button to close the squelch.
SENDING A MANUALLY ENTERED INTERCONNECT CALL
(USING THE OPTIONAL DTMF MICROPHONE)
Select a channel in the conventional system that has telephone
interconnect capability. The radio should be programmed for
DTMF operation on this channel.
Press and hold the P-T-T to key the transmitter. While holding
the P-T-T, press either the
PHN
or
#
IND
button (as required by
the radio system) to obtain a telephone line. The radio will
transmit the selected tone.
Release the P-T-T and listen for a dial tone. When the dial tone
is heard, press and hold the P-T-T while you enter the desired
telephone number through the microphone key pad. As you
enter each digit, a sidetone will be heard in the speaker as the
radio transmits the DTMF tone (if programmed).
After all digits have been keyed, release the P-T-T. When
someone answers, press the P-T-T and speak directly into the
microphone. Release the P-T-T when you stop talking to listen
for a reply.
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