need to replace the air filter in the following situations:
cleaning the air filter, you see a message telling you to clean or
filter is torn or damaged
the message, you will also see an indicator like this. Projector 1
represents the commander and projector 2 represents the receiver.
The green arrow points to the projector that the message is
You can replace the air filter while the projector
is mounted to the ceiling, if necessary. The illustrations here
show the projector placed on a table.
illustrations in this section show how to replace the commander
projector's air filter, but you can replace the receiver
projector's air filter using the same steps.