Butler 1410
4.8. Locking the key pad
If you lock the alphanumeric keypad, it is impossible to dial a telephone number. Only the softkeys can still be used.
Switching on Call Barring
-Press the Menu key.
-Press the '*' key.
-'KEYGUARD ON' appears on the display.
Switching off Call Barring
-Press the first softkey.
-Press the '*' key.
-'KEYGUARD OFF' appears on the display.
4.9.Turning off the microphone (mute)
It is possible to turn off the microphone during a call by pressing the Mute key. Now you can speak freely without the caller being able to hear you.
-During a call press the Mute key.
-‘MIC OFF’ appears on the display and the handset sounds a beep.
-When you would like to resume the conversation, press the Mute key again.
4.10. Locating a misplaced handset (paging)
If you cannot find the handset, briefly press the Paging key on the base unit. All handsets subscribed with the base unit will sound a signal so you can locate the misplaced handset.
To stop the sound press the Paging key again.
4.11. R key (flash)
Press the Flash key (r) to use certain services such as "call waiting" (if your telephone company offers this feature); or to transfer calls if you use an internal switchboard (PABX).
Note: The flash time can be programmed (see 4.29. Setting the flash time).
4.12. Pause key
If you dial a telephone number and you would like to add a pause to this number, press the Pause key 
/P at the desired place in the number. When you call this number, this pause (3 seconds) is automatically included.
Note: the length of the pause can be set (see 4.31. Setting pause length). You can only add a pause during dial preparation or while you are programming memory numbers!
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