I Seem to have stumbled on to this by mistake lol but heres what ive found
Seems to be an inbuilt test mode used in the factory to test functions of the box.
Sorry about the shaking camera lol
YouTube - TM800HD Factory Test Mode
YouTube - TM800HD Factory Test Mode Pt2
Found by pressing "Info" on the front of the box while "Checking Key"
Seems to be an inbuilt test mode used in the factory to test functions of the box.
Sorry about the shaking camera lol
YouTube - TM800HD Factory Test Mode
YouTube - TM800HD Factory Test Mode Pt2
Found by pressing "Info" on the front of the box while "Checking Key"