Advanced Operations
21
DTMF pattern:
1) Repeatedly press the MENU key in order to access the command
menu and see on the display the message
DTMF Send Ok
.
2) Press the
key to edit the DTMF pattern to send.
3) Edit the DTMF pattern to send by using the keyboard. Briefly
pressing
or
buttons, you can digit
*
or #. Any digit can be
corrected by overwriting.
4) Hold pressed the
(call) button to send the DTMF pattern or
hold pressed the
(clear) button to revert the transceiver in stand
by condition.
Handsfree transmission (VOX)
VOX (Voice Operated Exchange) is an automatic system which allows
you to automatically switch the transmission in hands free mode just
by speaking in the built-in microphone of an headset (not provided
with the unit). Please ensure that the handset is suitable for your
transceiver as reported in the paragraph “Microphone connection”.
To adjust the VOX sensitivity:
1) Connect the optional headset with built-in microphone to the
microphone connector located on the transceiver’s side.
2) Repeatedly press the MENU key in order to access the command
menu and see on the display the message
Vox
.
Over the said
message you will also see
OFF
(disabled) or digit which is the
Checking FFSK free messages (SDM)
When you receive an SDM (FFSK message) you automatically see it
on the LCD. Any key will delete it, however you can see the last 5
received messages at any time, because SDM are queued in a FIFO
call queue similarly to the one dedicated for the selective calls (please
make reference on “Who-has-called call” in the chapter “Selcall and
CTCSS/DCS Operation”). To recall it:
1) Repeatedly press the MENU key in order to access the command
menu and see on the display the message
MSGQueue Ok
.
2) Press the
key to access the message queue. This access is
only allowed if the MSGQueue is not empty.
3) Scroll through the messages by using the
and
keys and
select the one you want to see.
4) Press the
(clear) button to exit the message queue.
Sending DTMF patterns
DTMF (Dual Tone Multifunction Frequency) is a standard signalling
system used to dial telephone numbers over a normal PSTN land
line. However in radiocommunications it can be also used to do the
same if your radio channel is connected to a land line via a suitable
device (phone patch). Moreover DTMF is used to send/receive radio
commands or provide signalling similarly to selective calls. For further
details please contact your network administrator. To store dial a
DTMF Send OK
MSGQueue OK
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