Functions > Power Save Mode > Automatic Activation of Power Save Mode

Automatic Activation of Power Save Mode
If automatic activation of power save mode is enabled, the telephone automatically switches into power save mode when the telephone is not in use.
The holding time (1 to 999 minutes) indicates how much time after the key was last pressed before power save mode is activated.
 
Proceed as follows:
Using COMfortel Set (page Settings/functions > Power save mode, check box Automated activation and entry field Waiting time (1 to 999 minutes))
Using the telephone (menu settings > power save mode > autom.activation and menu settings > power save mode > idle time)

COMfortel 1400 - Firmware V2.2 - COMfortel Set V3.16 - Advanced Information V07 02/2019