OpenPhone 27 Handset User Guide
Using handset features
Setting the optional features
To enable or disable the optional features:
1.Short press 
.
2.Press 
to select Local Mode.
3.Press OK.
4.Press 
to select Telephone Option.
5.Press OK.
6.Press 
to select the desired option:
•Auto Key Lock - when enabled, this feature automatically locks the keypad if you don’t press any key for one minute while the handset is idle. When Auto Key lock is enabled, 
appears in the set display. To deactivate key lock, press the 
softkey and then press the # key. If you power down your handset when Auto Key lock is enabled, the feature will remain enabled when you power the handset on again.
•Key Click – provides an audible tone each time you press a key.
•Auto Answer – automatically answers calls that arrive at your handset without ringing. The OP27 will ring once before answering the call. This feature also automatically answers an incoming call when you remove the handset from the charger and automatically releases a call when you replace the handset in the charger.
•Silent Charging – prevents calls from ringing your handset while charging (see About silent charging on page 11 for more details).
•Coverage Warning – alerts you if the signal connection to your handset becomes weak. The warning is 4 short beeps. The warning is louder in idle mode than it is in conversation mode.
7.Press OK. A 
appears next to the option to indicate that it is enabled. A – indicates that the feature is disabled.
8.Press Esc.
Activating key lock
You can lock your handset keypad to prevent yourself from accidentally dialing a call. The keypad is temporarily enabled whenever a call comes in.
To lock your keypad:
•Long press the # key while in idle state. Key Lock appears in the display.
To unlock your keypad:
•Press 
and then press the # key.
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