Sharp BT421 User Manual for the - Page 28

The SCHEDULE/Sleep Timer function is not working properly • The "SCHEDULE" function will be disabled when the "Sleep Timer" is set. • If the "Sleep Timer" function is enabled and the power to the LCD monitor is turned off when the power supply is interrupted unexpectedly, then the "Sleep Timer" will be reset. Snowy Picture, Poor Sound in TV • Check antenna/cable connection. Use new cable if necessary. Interference in TV • Check components for shielding, move away from monitor if necessary. RS-232C or LAN control is not available • Check RS-232C (reverse type) or the LAN cable. A category 5 or higher LAN cable is required for connection. The monitor goes into standby automatically • Please check "Sleep Timer" setting. Either light vertical or horizontal stripes may appear, depending on the specific image pattern. This is not a product fault or degradation. English-26