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102
Air filter counter
This resets the counter which reminds you of the time for cleaning and replacing the air filter.
Firmware
Update the projector firmware as follows. Download firmware updates from the Canon
website and store them at the root directory on a USB flash drive.
Check the version indicated before updating the firmware.
For details on replacing or cleaning the filter, see P158 - P160.
• Firmware versions shown here are for illustration only and differ from actual
versions.
• In some cases, it may not be possible to download updates. For details, contact the
Canon Customer Support Center.
Firmware updating takes a few minutes. During the update, the LED indicator will flash
in red. Do not turn off the projector while the LED is flashing. After the update, the
projector will automatically turn itself off and enter standby mode.