Optoma H55 User Manual - Page 10

English Installation Powering Off the Projector 1. Press the "Power/Standby" button to turn off the projector lamp. 2. After pressing the "Power/Standby" button, you will see a message "Power off the lamp?" on the on-screen display. Press the "Power/ Standby" button again to confirm. Otherwise the message will disappear after 5 seconds. 3. "Power/Standby" LED indicator will light solid amber for about 30 seconds. After the "Power/Standby" indicator starts flashing, you can turn off the main power switch on the side of the projector. If you want to turn on the projector, you must press the "Power/ Standby"button within 90 seconds of the start of the indicator flashing. 4. Do not turn on the projector immediately following a power off procedure. v When the "LAMP" indicator flashs green for about 10 seconds, you will see a message "Fan Fail" on the on-screen display. Please contact your local dealer or Optoma service center. v When the "TEMP" indicator lights solid orange, it indicates the projector has been overheated. You will see a message "Over Temperature" on the onscreen display. The projector will automatically shut itself down. Under normal conditions, the projector can be switched on again for your presentation. If the problem persists, you should contact your local dealer or Optoma service center. 10