Ask Proxima C420 manual Cleaning the dust filter, Using the security lock, wait 60 minutes

Cleaning the dust filter

1Turn off the projector and unplug the power cable.

2Wait 60 minutes to allow the projector to cool thoroughly.

WARNING: To avoid burns, allow the projector to cool for at least 60 minutes before you clean or replace the dust filter.

3Turn the projector upside down and remove the lamp door. See page 38.

4Press the tab on the dust filter and lift it off.

5Clean the filter using a vacuum set on low power.

6Replace the dust filter and the lamp door.

I O

trigger

network mouse USB	computer 1	computer 2	monitor out
		computer 3	serial control
		computer in

turn off and unplug the projector

wait 60 minutes

Using the security lock

The projector has a security lock for use with a cable lock system. See “Accessories” on page 41 for ordering information. Refer to the information that came with the lock for instructions on how to use it.

		audio in
		R		trigger
network PS/2	USB	computer 1	computer 2	monitor out
		L
		audio in	computer 3	serial control
I		computer in

O

security lock

40