Resetting the unit to the status at the time of shipment may solve the problem. If the measures mentioned in the troubleshooting do not solve the problem, reset the unit with the following procedure. If you reset the unit status, your preferences will be reset to the defaults. Note them down before starting reset.
How to reset
1.While holding down CBL/SAT on the main unit (note that step 2 must be performed with this button pressed down)
2.Press ON/STANDBY on the main unit. "Clear" is appeared on the display and the unit will enter standby mode.
How to reset the remote controller
1.While holding down 1RECEIVER on the remote controller (note that step 2 must be performed with this button pressed down)
2.Press and hold 2Q for 3 or more seconds until the 3 remote indicator stays lit. Within 30 seconds, press 1RECEIVER again.