Bedienungsanleitung Yaesu FTM-10R (Seite 66 von 116) (Englisch)

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64 FTM-10R OPERATING MANUAL

Many repeater systems require that a very-low-frequency audio tone be superimposed on

your FM carrier in order to activate the repeater. This helps prevent false activation of the

repeater by radar or spurious signals from other transmitters. This tone system, called

“CTCSS” (Continuous Tone Coded Squelch System), is included in your FTM-10R, and is

very easy to activate.

CTCSS setup involves setting the Tone Mode and then setting of the Tone Frequency.

These actions are set up using Menu Items “F40 SQL TYPE” and “F39 SQL TSQF”.

1. Press and hold the

[

VOL/SEL

]

key for one second to activate the Menu Mode.

2. Rotate the DIAL knob to select Menu Item “F40 SQL TYPE”.

3. Press the key to enable selection of this Menu Item.

4. Rotate the DIAL knob so that “TONE SQL” appears on the

display. This means that the Tone Squelch system is active,

which mutes your FTM-10R’s receiver until it receives a

call from another radio sending out a matching CTCSS tone.

This can help keep your radio quiet until a specific call is

received, which may be helpful while operating in congested areas.

Note: 1) You may notice a “REV TONE” indication on the display while you rotate the

DIAL knob in this step. This means that the Reverse Tone Squelch system is

active, which mutes your FTM-10R’s receiver (instead of opening the squelch)

when it receives a call from the radio sending a matched CTCSS tone. The

“T SQ” icon will blink on the display when the Reverse Tone Squelch system

is activated.

Note: 2) You may notice a “DCS” indication on the display while you rotate the DIAL

knob still more. We’ll discuss the Digital Code Squelch system shortly.

5. When you have made your selection of the CTCSS tone mode, press the key mo-

mentarily, then rotate the DIAL knob three clicks counter-clockwise to select Menu

Item “F39 SQL TSQF”. This Menu selection allows setting

of the CTCSS tone frequency to be used.

6. Press the key to enable adjustment of the CTCSS fre-

quency.

7. Rotate the DIAL knob until the display indicates the Tone Frequency you need to use.

8. Press the

[

VOL/SEL

]

key to save the new setting and exit to normal operation.

Note: Your repeater may or may not re-transmit a CTCSS tone. Some systems just use

CTCSS to control access to the repeater, but don’t pass it along when transmitting. If the S-

Meter deflects, but the FTM-10R is not passing audio, repeat steps “1” through “4” above,

but rotate the DIAL knob

so that “TONE” appears.

This will allow you to hear

all traffic on the channel

being received.

CTCSS OPERATION

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

159.8

162.2

165.5

167.9

171.3

173.8

177.3

179.9

183.5

CTCSS TONE FREQUENCY (Hz)

186.2

189.9

192.8

196.6

199.5

203.5

206.5

210.7

218.1

225.7

229.1

233.6

241.8

250.3

254.1

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