Cortelco 8012 用户手册

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Whenever a key is pressed, the 8012 acknowledges it with a key tone.  If silent
operation is desired, this feature may be disabled.
1.

Press the Menu soft key.

2.

Press  

 or 

 to select HS Settings.

3.

Press the Select soft key.

4.

Press the 

 or 

  to choose the Tone Setup menu.

5.

Press the Select soft key.

6.

Press the Select soft key again to select Key Tone.

9.

Press  

 or 

 to enable or disable key tone.

10. Press the Save soft key to confirm and exit.

Note: Even if key tone is disabled, warning tones will continue to sound.