It doesn't work that way. The backlight is on for the expected duration of the work day. The 'on duration' is measured in hours and minutes. Idle Timeout is used when there is activity outside of the 'on time' and 'on duration'.
Example: The 'On Time' is 7AM with an 'On Duration' of 11:00. The display will turn off at 6PM. If the idle time is 1:00 and a call arrives at 9PM, then the display will turn on when the call arrives and remain on until one hour after the call ends.
This device is not running on battery and will not behave the same as your cell phone display.l
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.