J. Drahun wrote:

> 15.06.2016 21:15, deloptes wrote:
>>
>> right click TDEPowersave -> TDEPowersave settings -> 2nd tab (something
>> like general settings) -> Key Events
>>
>> but check all of those as they apply to different presets (energy,
>> acoustic etc)
>>
> 
> Well, I don't know how to access TDEPowersave.
> Even more, I don't know if it's installed. tdepowersave command doesn't
> exist though.
> Maybe there's some option in the Control Center?
> 
> Best wishes, J. Drahun.

You need to install tdepowersave-trinity. Then start it and it appears in
the pager as applet. You definitely need this if you use a notebook

dpkg -l | grep tdepowersave-trinity
ii  tdepowersave-trinity                   4:14.0.3-0debian8.0.0+0             
amd64        Power management applet for Trinity