3M 9800 - Manual (Page 10)

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9 3M 9800 Operator’s Guide
Colour Tuning
Rotate the colour tuning dial to eliminate any
yellow/orange to brown or blue corners. A colour-free
projection stage will produce the sharpest colour
images.
1. Clear stage area and turn on projector.
2. Rotate dial anticlockwise to remove blue corners.
3. Rotate dial clockwise to remove yellow/orange or
brown corners.
AC Electrical Outlets
There are two unswitched AC power outlets, connected
to a 5 amp circuit breaker, for powering accessories.
Caution
!
Do not overload outlets with accessories that exceed
a total of 5 amps.
To Reset the Circuit Breaker:
1. Unplug accessories.
2. Push circuit breaker lever down to reset.
Internal Voltage Switch
The voltage switch is located inside the projector body.
Set the switch to high
for areas with normal input
voltage or low for areas with very high input
voltage.
1. Unplug projector from power outlet.
2. Open top cover to access voltage switch.
3. Depress rocker switch for input voltage.
= Normal input voltage
= Very high input voltage
4. Close top cover.
Lamp Voltage Protector
The lamp voltage protector is a circuit board located
inside the projector body next to the internal voltage
switch. This circuit monitors incoming voltage from
the AC outlet and automatically adjusts lamp voltage to
produce the brightest lumen output with the longest
lamp life.