Optoma H27 User Manual - Page 34

English Appendices Problem: Image is out of focus 4 Adjusts the Focus Ring on the projector lens. Refer to page 14. 4 Make sure the projection screen is between the required distance 4.9 to 40.7 feet (1.5 to 12.5 meters) from the projector. Problem: Image is reversed. 4 Press "Menu", then select "Management" to adjust the projection mode. Problem: Lamp burns out or makes a popping sound 4 When the lamp reaches its end of life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn back on until the lamp module has been replaced. To replace the lamp, follow the procedures in "Replacing the Lamp" page 35. Problem: LED lighting message Message Power LED Green Standby State (Input power cord) Flashing Lamp lighting Power on Power off (Cooling) Error (Lamp fail) Error (Thermal fail) Error (Fan fail) Error (Over Temp.) Error (Lamp Breakdown) Temp LED Flashing Lamp LED Problem: Message Reminders 4 "Lamp is approaching the end of its useful life in full power operation. Replacement Suggested!" will be shown about 10 seconds, when lamp is nearing end of life. 4 "Projector Overheated. Lamp will automatically turn off soon." will be shown when the system temperature is too high. 4 "Fan fail. Lamp will automatically turn off soon." will be shown when the fan is out of order. 34