Icom i2730A - DTMF and Tone Squelch Functions; Tone Squelch Function Overview

New2001
56
8
OTHER FUNCTIONS
New2001
8
OTHER FUNCTIONS
D Selecting the DTMF transmit speed
You can select the DTMF transmit speed.
Hold down [LOW DTMF] q C for 1 second.
 •EnterstheDTMFMenumode.
w Rotate [DIAL]S to select “SPEED” (DTMF Speed).
Push [ e ï]D.
 •DisplaystheDTMFSpeedSettingscreen.
r Rotate [DIAL]S to select a desired transmit speed.
 •100:Transmits the DTMF tones at about 100 millisec-
onds per code.
5 characters per second.
 •200:Transmits the DTMF tones at about 200 millisec-
onds per code.
2.5 characters per second.
 •300:Transmits the DTMF tones at about 300 millisec-
onds per code.
1.6 characters per second.
 •500:Transmits the DTMF tones at about 500 millisec-
onds per code.
1 character per second.
Push [MAIN BAND]. t
 •ExitstheDTMFMenumode.
■ Tone Squelch function
The squelch opens only when you receive a signal containing
a matching subaudible tone in the FM or FM narrow mode.
You can silently wait for calls from others using the same
tone.
Also, the reversed Tone Squelch function will mute the squelch
when a signal containing a matched subaudible tone.
You can set different tone frequencies or codes between
transmission and reception.
D Operation
Setting the Tone function1.
Push [MENU q
]C.
 •EnterstheMENUmode.
w Rotate [DIAL]S to select “TONE” (Tone).
Push [ e ï]D.
 •Goestothenexttreelevel.
Rotate [DIAL] r S to select a desired tone squelch type.
 •Selectableoptionsarelistedonthenextpage.
 •To use the Tone Squelch function, select other than “OFF,”
“TONE,” or “DTC.OFF.”
Continued on the next page. ☞