6.Selective Calling
6
37
6. Selective Calling
Selective Calling Operations
• To communicate only with selected stations, use either the Tone Squelch or the DCS
function.
The Tone Squelch function unmutes the squelch only when a signal added with one
of the matching 39 CTCSS tone frequencies is received.
• The DCS function unmutes the squelch only when a signal added with one of
matching 104 digital codes is received.
• It isn't possible to use the Tone Squelch and DCS functions at the same time.
6.1.1 Setting the Tone Squelch
1. Select the menu 12 in the Set mode to display the current TSQ setting.
2. Rotating the dial, the display changes as below:
• When only
is displayed, the unit encodes the CTSS tone.
• When
is displayed, the unit encodes and decodes the CTCSS tone.
3. Press any key other than the MONI or FUNC key to complete setting.
6.1.2 Setting the Tone Frequency
1. Select the menu 13 in the Set mode to display the current tone frequency.
2. Rotate the dial to select one of the 39 CTCSS tones shown below. The tone can be
set for encode/decode separately (refer to page 38 for details).
(unit: Hz)
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
162.2
167.9
173.8
179.9
186.2
192.8
203.5
210.7
218.1
225.7
233.6
241.8
250.3
3. Press any key other than the MONI or FUNC key to complete the setting.
Observe that
is displayed if you selected TN-ENC in the menu 12.
Observe that both
are displayed if you selected TN-TSQ in the menu 12.
TN-OFF
TN-ENC
TN-TSQ
Tone Squelch (TSQ)
6.1
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