OI.book Page 56 Wednesday, November 8, 2000 3:35 PM
Chapter 6 DTMF Tone Length The tone you hear when you press a key on your keypad is called a �DTMF� tone. Most phone services and answering machines require the phone to transmit this tone when a digit key is pressed. This menu setting allows you to shorten or lengthen the time the tone is emitted. DTMF tones are transmitted even when key tones are turned off. 1 2 3
From standby, press Press Press (MENU) to enter the Main Menu. (OK). (OK). to scroll to Phone Settings. Press to scroll to DTMF Duration. Press
� The current setting is displayed with an asterisk ( ).
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To change the DTMF setting, scroll to the other option. Press (OK).
� The display confirms the DTMF duration setting.
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Press any key or wait 3 seconds to return to standby.
