4 SET MODE

DCTCSS FIND

This transceiver can detect the CTCSS tone frequency in the re- ceived signal. By monitoring a signal that is being transmitted from the other station, you can determine the tone frequency required to communicate with them.

This function very useful when you are going to communicate with unknown CTCSS channel number stations. ‘CTCSS FIND’ scans all of the CTCSS channels, then stops when a tone frequency is detected.

qWhile pushing and holding [MONI], [W/N], turn [OFF/VOL] to

power ON.

wSelect the desired CH 1 to CH 15 that you want to assign the CTCSS tone frequency.

ePush and hold [MONI] until a beep (Pi) is emitted.

‘CTCSS FIND’ start to scan the signal.

r‘CTCSS FIND’ stops when the tone signal is detected. t Push [MONI] to determine the tone number.

y Turn the power OFF, and then ON again.

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Icom IC-F21GM instruction manual Ctcss Find