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OSD Menu description
High Altitude Mode
Use this function to control the projector's cooling fan. You can set it to Off or On. The default setting 
is Off. 
 
Under normal circumstances, the projector will operate normally with this function set to Off.  By 
default, the projector will detect the temperature of the surrounding environment to regulate the speed 
of the cooling fan. When the ambient temperature rises, fan speed will increase (generates louder 
noise) to make sure the heat inside the projector gets discharged and keep the projector working 
normally.  
However, if you were to operate the projector in environment of excessive heat or in areas of high 
altitude, the projector may automatically shut down. When this happens, you can enable this function 
by setting it to On to force the cooling fan to work at a higher speed to regulate the temperature inside 
the projector.
High altitude region refers to area with elevation over 1500 meters (4900 feet).
When operating in normal altitude environments, the projector will adjust the cooling fan 
 according to the temperature of the working environment. When the temperature rises    
above 30C, the projector will automatically increase fan speed.
3000m@25C.This means that you should not be operating the projector in high altitudes when the 
working environment is over 25C. 
(Due to the air thinning substantially at high altitudes, the result of cooling achieved by the cooling 
and high operating temperature, the cooling fan will not be able to disperse the heat adequately)
Power
This function will not be available if you have set the lamp to Eco or Normal modes, you can only 
adjust this setting when the lamp has been set to ”Power”. You can specify the lamp power in the 
range of 78% ~ 100%. Generally speaking, the lower the power, the dimmer the image will be but the 
lamp will have longer lifecycle. In contrast, the higher the power, the brighter the image will be at the 
cost of shorter lamp lifecycle.
Lamp1 Status
This function is limited to display purposes to inform the user of Lamp1 status (On or Off).
Lamp2 Status
This function is limited to display purposes to inform the user of Lamp2 status (On or Off).
Lamp1 Run Time
This function is limited to display purposes to inform the user of Lamp1's total run time.
Lamp2 Run Time
This function is limited to display purposes to inform the user of Lamp2's total run time.