Baofeng BF-17H Series, Руководство пользователя

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TX and RX CTCSS/DCS code to replace the CTCSS/DCS code setting of the current channel or frequency mode of the radio.
To save the settings of CTCSS/DCS code scan, the operation is as follows:
(1) Press
key to enter menu >> SCAN >> 4 Scan Memory.
(2) Press the key to enter the Scan Memory setting, and press the  or  key to select:
•
ALL : The scanned CTCSS/DCS code will be stored as the received and transmitted CTCSS/DCS code of the current
channel or frequency mode (at the same time as the received and transmitted Sub-Code).
•
DECODER : The scanned CTCSS/DCS code will be stored as the receiver CTCSS/DCS code of the current channel or
frequency mode (only replace its receiver RX CTC/DCS).
•
ENCODER : The scanned CTCSS/DCS code will be stored as the transmitted CTCSS/DCS code of the current channel or
frequency mode (only replace its transmitted TX CTC/DCS).
(3) Press the key to save the settings and return to the previous menu;
Note: Only when a valid CTCSS/DCS code is scanned and stopped, press the key to store the CTCSS/DCS code and
replace the corresponding CTCSS/DCS code of the current channel or frequency.
6.2 DTMF
DTMF is an in-band signaling method using dual sinusoidal signals for any given code. Originally developed for telephony
systems, it has proved a very versatile tool in many other areas.
In two-way radio systems, DTMF is most commonly used for automation systems and remote control. A common example
would be in amateur radio repeaters where some repeaters are activated by sending out a DTMF sequence (usually a simple
single-digit sequence).
DTMF frequencies and corresponding codes
1209Hz 1336Hz 1477Hz 1633Hz
697Hz 1 2 3 A
770Hz 4 5 6 B
852Hz 7 8 9 C
941Hz * 0 # D