07-11-2017 01:53 PM
the LCD screen is on and shows as it normally would,BUT all the keys are unresponsive.
07-12-2017 04:46 AM
Hi leandro,
The unit may just need to be reset in order to resolve this issue. Please unplug the power to the unit for a few minutes then plug it back in and power back on the machine. Additionally, try plugging the unit directly into the wall outlet as opposed to a surge protector or power strip.
If you continue to have difficulties, please contact our support group using the following link:
http://Canon.us/ContactLI
04/16/2024: New firmware updates are available.
RF100-300mm F2.8 L IS USM - Version 1.0.6
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RF600mm F4 L IS USM - Version 1.0.6
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RF1200mm F8 L IS USM - Version 1.0.4
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07/31/2023: New firmware updates are available.
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