User's Manual

16
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VISIT!BAOFENGTECH.COM!AND!MIKLOR.COM!FOR!DOWNLOADS!AND!HELP
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UV-2501!/!UV-5001!
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DTMF!signal!
This!radio!has!DTMF!coding/decode!function.!Use!PC!software!to!input!code!information!DTMF!
signal!setting!receive!DTMF!signal!first.!After!receiving! th e!sa m e!co de !as!yo ur!settin g,!radio!will!
show!the!code!by!display!and!ring.!Then!can!speak! during!effective!time.!(ID!code!setting!by!PC!
software)!
DTMF!
In!two-way!rad io!systems,!DTMF!is!most!com m only!used!fo r!au tomation!system s!and!remote!
control.!A!com m on!example!would!be!in!amateur!ra dio !re pe ate rs!where!some!repeaters!are!
activated!by!sending!out!a!DTMF!sequ ence !(usu ally!a!simple!single-digit!sequence).!
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Table!7.1.!DTMF!frequencies!and!corresponding!codes!
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1209!Hz! 1336!Hz! 1477!Hz! 1633!Hz!
697!Hz! 1! 2! 3! A!-! !
770!Hz! 4! 5! 6! B!-! !
852!Hz! 7! 8! 9! C!-! !
941!Hz! *! 0! #! D!-! !
The!BTECH!UV-2501!/!UV-5001!have!a!full!implem e n ta tio n !of!DTMF,!including !the!A,!B,!C!and !D!