Quadro DECT-4200 User Manual - 5. Other Features

5. Other features

Key lock

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The key lock prevents functions assigned to buttons being activated 

inadvertently. Incoming calls can still be taken in the normal way even when the 

key lock function is activated.

… press and hold until the icon      appears in the display. For unlocking 

the keypad press and hold the #-key until the icon disappears.

Switching the handset ringer on/off

You can turn off the handset ringer via a procedure as well (refer to chapter 

“Ringtone“).

… press and hold until the icon        appears in the display. For turning 

the ringer on again press and hold the star-key until the icon 

disappears.

6. Settings

Language

You can set the display language.

… press, select HANDSET using 

  and press 

Select LANGUAGE and press

Select a language and press

Date / Time

For a correct time stamp for entries in the caller list you have to enter time 

and date.

… press, select DATE/TIME using 

  and press 

Enter the year using the digit keys and press 

Enter in the same way month, day, hour and minute and confirm each 

entry by pressing 

Handset ringer

… press, select HANDSET using 

 and press

Select RINGTONE and press

Select EXTERNAL, INTERNAL or VOLUME and press

Select the desired melody and volume and press

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