BenQ CP120C user manual Auto Off Off, Economic, Periods of time 10hours without shutdown

	If you use this projector under other extreme conditions excluding the
	above, it may display auto shut-down symptoms, which is designed to
High Altitude	protect your projector from over-heating. In cases like this, you should
	switch to High Altitude mode to solve these symptoms. However, this is
Mode (Off)
	not to state that this projector can operate under any and all harsh or
	extreme conditions, or whenever the projector will be used for extended
	periods of time (>10hours) without shutdown.
	This function allows the projector to turn off automatically if no input
Auto Off (Off)	signal is detected after a set period of time. Press Left 3/ Right 4on the
	projector or remote control to set the duration before the projector is
	turned off. Selecting Off disables this function.
	Use this mode to reduce system noise and reduce power consumption by
Economic	20%. If this mode is activated, the light output will be reduced and result
	in darker projected images.
Mode (Off)		Setting the projector in Economic mode extends the lamp timer
		automatic shutdown feature. For more information on how the total
		lamp hour is calculated, see "Calculation of lamp hour" on page 38.

Using the projector 35