Icom IC-2730E Instruction Manual page 61

D Selecting the DTMF transmit speed
You can select the DTMF transmit speed.
1. Hold down [LOW DTMF]C for 1 second.
• Enters the DTMF Menu mode.
2. Rotate [DIAL]S to select "SPEED" (DTMF Speed).
3. Push [ï]D.
• Displays the DTMF Speed Setting screen.
4. Rotate [DIAL]S to select a desired transmit speed.
• 100: Transmits the DTMF tones at about 100 milliseconds per
code.
5 characters per second.
• 200: Transmits the DTMF tones at about 200 milliseconds per
code.
2.5 characters per second.
• 300: Transmits the DTMF tones at about 300 milliseconds per
code.
1.6 characters per second.
• 500: Transmits the DTMF tones at about 500 milliseconds per
code.
1 character per second.
5. Push [MAIN BAND].
• Exits the DTMF Menu mode.
OTHER FUNCTIONS
■ 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
1. Setting the Tone function
1. Push [MENU ]C.
• Enters the MENU mode.
2. Rotate [DIAL]S to select "TONE" (Tone).
3. Push [ï]D.
• Goes to the next tree level.
4. Rotate [DIAL]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."
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