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11-1
11 DUAL TONE MULTI-FREQUENCY(DTMF)
ThekeysonthekeypadfunctionasDTMFkeys;the12keys
foundonapush-buttontelephoneplus4additionalkeys(A,
B,C,D).Thistransceiverprovides10dedicatedmemory
channels.YoucanstoreaDTMFcodewithupto16digits.
SomerepeatersintheU.S.A.andCanadaofferaservice
calledAutopatch.Youcanaccessthepublictelephone
networkviasucharepeaterbysendingDTMFtones.For
further information, consult your local repeater reference.
MANUAL DIALING
Manual Dialing requires only two steps to send DTMF tones.
1 Press and hold [PTT].
2 PressthekeysinsequenceonthekeypadtosendDTMF
tones.
• ThecorrespondingDTMFtonesaretransmitted.
• IftheDTMFHoldfunctionisactivated,youdonotneed
hold down [PTT]whilepressingkeys.Aftertransmitting
the first tone (by pressing [PTT]andtherstkey),
pressingadditionalkeyswillkeepthetransceiverin
transmit mode for 2 seconds.
Selecting a Transmit Speed
Some repeaters may not respond correctly if a DTMF code is
transmittedatfastspeed.Ifthishappens,changetheDTMF
code transmission speed.
1 AccessMenuNo.160.
2 Select[50],[100],or[150]msec.
Selecting a Pause Duration
YoucanchangethepausedurationstoredinDTMFMemory
channels.
1 AccessMenuNo.161.
2 Select[100],[250],[500],[750],[1000],[1500],or[2000]
msec.
DTMF Hold
Activate this function to remain in transmit mode, after
beginningtopresskeyswhenmakingacall.
1 AccessMenuNo.162.
2 SetDTMFHoldto[On]tocontinuetransmittingwhen
pressingkeys.
• Setthismenuto[Off]tostopthe2secondcontinuous
transmission.
AUTOMATIC DIALER
There are 10 dedicated DTMF Memory channels available
tostoreDTMFcodes.Youcanstoreupto16digitsineach
channel.
Storing a DTMF Code in Memory
1 AccessMenuNo.163.
2 Select a channel number, then press [ENT].
The name entry display appears.
3 Enter a name for the channel, then press [ENT] to set it.
4 Press [ENT].
The code entry display appears.
36


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