dm500s battery back up

[kevglady]

hi guys im just wondering if anyone knows were about the battery backup is on the dm500s circuit board every time i turn my box off i have to do the date and time again aswell as radiotimes for epg doing my head in now and i know ppl are goin to say leave your box on but my cs says reboot the box once a day please help before i put a hammer through it
THANKS.

[Jo-Jo]

it does not have a battery so to speak