Icom IC-2730E Instruction Manual page 23

■ MENU items
See page 11 for details of the operation.
Tone
Select a desired channel tone type.
• OFF: The function is OFF.
• TONE: The subaudible tone is superimposed on your
normal signal.
LSubaudible tone setting: "R TONE"
• TSQL (" " is displayed):
Enables the tone squelch with the pocket beep function.
• TSQL: Enables the tone squelch function.
When you transmit, the tone frequency is
superimposed on your normal signal.
The tone squelch opens only when you receive
a signal that includes a matching tone frequency.
(Audio is heard)
LTone frequency setting: "C TONE"
• DTCS (" " is displayed):
Enables the DTCS squelch with the pocket beep
function.
• DTCS: Enables the DTCS squelch function.
When you transmit, the DTCS code is
superimposed on your normal signal.
The DTCS squelch opens only when you receive
a signal that includes a matching DTCS code and
polarity. (Audio is heard)
LDTCS code setting: "CODE"
LDTCS polarity setting: "DTCS-P"
• TSQL-R: Enables the reverse tone squelch function.
(Default: OFF)
• DTCS-R: Enables the reverse DTCS squelch function.
• DTC.OFF: When you transmit, the selected DTCS code is
• TON.DTC: When you transmit, the selected subaudible
MENU MODE
The tone squelch does not open only when you
receive a signal that includes a matching tone
frequency. (Audio is not heard)
You can mute a specified station's audio.
LTone frequency setting: "C TONE"
The DTCS squelch does not open only when
you receive a signal that includes a matching
DTCS code and polarity. (Audio is not heard)
You can mute a specified station's audio.
LDTCS code setting: "CODE"
LDTCS polarity setting: "DTCS-P"
superimposed on your normal signal.
When you receive, the function is OFF.
LDTCS code setting: "CODE"
LDTCS polarity setting: "DTCS-P"
tone is superimposed on your normal signal.
When you receive, the DTCS squelch opens
only for a signal that includes a matching DTCS
code and polarity. (Audio is heard).
LSubaudible tone setting: "R TONE"
LDTCS code setting: "CODE"
LDTCS polarity setting: "DTCS-P"
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