ViewSonic N2600w User Manual page 36

Power is cut off suddenly
Is the sleep timer set?
The internal temperature of the unit has increased. Remove any objects blocking the vent
or clean as necessary.
No CATV reception (or no reception above CH13)
Is the AIR/CABLE option set correctly? Please set the AIR/CABLE option to CABLE.
CATV is connected improperly or not connected; please check all the CATV
connections.
The cable TV service is interrupted; please contact your cable operator.
Picture is cut off/with sidebar screen
Is the image positioned correctly?
Are screen mode adjustments such as picture size set correctly?
ViewSonic N2600w 34