Optoma ZU1050 ZU1050 User Manual - Page 64

ADDITIONAL INFORMATION T he projector stops responding to all controls ‡‡ If possible, turn off the projector, then unplug the power cord and wait at least 20 seconds before reconnecting power. Remote control problems If the remote control does not work ‡‡ Check the operating angle of the remote control is pointed within ±30° (horizontally or vertically) to the IR receivers on the projector. ‡‡ Make sure there are not any obstructions between the remote control and the projector. Move to within 10 m (32.8 ft) of the projector. ‡‡ Make sure batteries are inserted correctly. ‡‡ Replace batteries if they are exhausted. Warning indicators LED status indicators The LED status indicators are located on the rear of the projector. Each LED is defined below. Message Standby State (Indicate on Power key) Power on (Warm up) Power on & Laser diode on Power off (Cooling down) AV mute is off (Image is displayed) AV mute is on (Image is black) Projector communication Firmware upgrade Laser diode time has expired Unit loses over 60% initial luminance Error (Over temperature) Error (Fan failure) Light LED Green Orange Red - - - - - - Steady - - - - - Steady - - Status LED Green Orange Red - - - - Flashing - Steady - - - Flashing - Steady - - AV Mute LED Green Orange - - - - Steady - - - Steady - Steady - Steady - - - - Steady - Steady - - - Flashing - - - Flashing Flashing - - - - - - Steady Steady - - - - - - - Flashing - - - - - - - - - - Steady - - - - - - - Flashing - - Note: Keypad LED (Power Key) will flash in orange for standby mode. 64 English