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33
8 ENHANCED COMMUNICATIONS
TRANSMITTING A TONE
Some FM repeaters require the transceiver to
transmit a sub-audible tone to prevent other
repeaters on the same frequency from locking each
other up. The required tone frequency differs among
repeaters. Repeaters also differ in their requirements
for either continuous or burst tones. For the
appropriate selections for your accessible repeaters,
consult your local repeater reference.
After completing the tone settings, pressing [SEND]
or pressing and holding Mic [PTT] causes the
transceiver to transmit the selected tone. If you have
selected a 1750 Hz tone, press [4/ TONE/SEL] to
transmit the tone without pressing Mic [PTT].
Note: If you store tone settings in a memory channel, you need not
reprogram each time. Refer to “MEMORY FEATURES” {page 58}.
■ Activating the Tone Function
1 Confirm that FM mode has been selected on
the VFO(s).
• When using two VFOs, you must select FM
mode on both VFOs.
2 Press [4/ TONE/SEL] to switch the Tone
function ON (or OFF).
• “T” appears when the function is ON.
Note:
◆
You cannot use the Tone function with the CTCSS or DCS
functions.
◆
You need to activate the Tone function only when selecting
one of the 38 standard frequencies. The selection you make
here will not affect the transmission of the 1750 Hz tone.
■ Selecting a Tone Frequency
1 Press [FUNC], [4/ TONE/SEL].
• The current tone frequency appears. The
default is 88.5 Hz.
2 Turn the MULTI/ CH control to select the
appropriate tone frequency.
• The available tone frequencies are listed in
the following table.
3 Press [FUNC], [4/ TONE/SEL] to complete the
setting.
.oN
.qerF
)zH(
.oN
.qerF
)zH(
.oN
.qerF
)zH(
.oN
.qerF
)zH(
100.76114.79125.631138.291
209.17210.001223.141235.302
304.47315.301322.641337.012
400.77412.701424.151431.812
507.97519.011527.651537.522
605.28618.411622.261636.332
704.58718.811729.761738.142
805.88810.321828.371833.052
905.19913.721929.971930571
018.49028.131032.681
Note:
◆
Use Nos. 01 to 39 shown in the table above when selecting
tone frequencies via Wireless Remote Control {page 82}.
◆
You can select a tone frequency independent of a CTCSS
frequency.
■ Selecting Continuous or Burst
Access Menu No. 42 to select “Continuous” or
“Burst”. With Continuous selected, the transceiver
sends the tone continuously during the
transmission. With Burst selected, the transceiver
sends a 500 ms tone each time transmission
starts. When using the 144, 430/ 440 MHz, or 1.2
GHz band, continuous tones are always
transmitted, regardless of the selection.
■ Transmitting a 1750 Hz Tone
Most repeaters in Europe require transceivers to
transmit a 1750 Hz tone. With 1750 Hz tone
selected, pressing [4/ TONE/SEL] causes the
transceiver to transmit the 1750 Hz tone.
Releasing the key ceases transmission of the
code. Some repeaters in Europe must receive
continuous signals for a certain period of time,
following a 1750 Hz tone. This transceiver is
capable of remaining in transmit mode for
2 seconds after transmitting the 1750 Hz tone.
Access Menu No. 44 and select “ON”.