3.!Set!the!Menu!20!settings!to!select!when !the!PTTID !is!transmitted .!!
4.!Set!the!Menu!21!settings!to!program!the!PTTID!transmit!de lay!time.!!
5.When!all!the!settings!are!set,!when!you!transmit!(Press !the!PT T)!The!radio!will!transmit!the!
PTTID.!
DTMF!RX!Settings!
!
This!radio!has!DTMF!coding!and!decoding.!Use!the!PC!software!to!set!the!DTMF!signal!settings!first.!!
!
DTMF!TX!Settings!
!
In!two -way!ra dio !systems,!DTMF!is!most!comm only!used!for!automation!systems!and!remote!
control.!A!co mm on !example!would!be!in!amateur!radio!re pe ate rs!where!som e!repea ters!are!
activated!by!sending !out!a !DTMF!se quen ce!(u sually!a!simp le!single- digit!sequence).!
Table!7.1.!DTMF!frequencies!and!corresponding!codes!
!