Canon REALiS 4K501ST Pro AV 5000-Lumen LCoS Projector - Manual (Page 129)

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Menu Settings
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Air filter counter
This resets the counter which reminds you of the time for cleaning and replacing the air filter.
Power counter
Indicates the total time that the projector has been connected to a power supply.
Firmware
Update the projector firmware.
Check the version indicated before updating the firmware.
Update the projector firmware as follows.
1. Download updated firmware from the Canon website and store it at the root directory on a
USB flash drive.
2. Insert the USB flash drive in the USB port.
3. Follow the instructions shown to complete the update process.
Factory defaults
You can reset the menu item settings and restore the system settings to the factory defaults.
Option Function
OK Settings are reset to default.
Cancel Settings are not reset to default.
For details on replacing or cleaning the filter, see P168 - P171 .
This value is not reset even if [Factory defaults] is executed.
• 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.