In response to a phenomenon that may occur when using the Canon EOS-1D X Mark III DSLR camera, Canon is introducing a future firmware update for the camera. The firmware update is scheduled to be available in early April.

The phenomenon may occur when the camera is being used with the electronic level set to “Show” in the viewfinder display. In rare cases, the camera may not perform as it was designed to when operating the AF-ON button or shutter button.

Canon is committed to listening to our customers and providing firmware updates accordingly. For more information on this future firmware update, please visit: Canon EOS-1D X Mark III Future Firmware Update

Canon Advisory Notice

Future Firmware: EOS-1D X Mark III

Thank you for using Canon products.

We have confirmed that the following phenomenon may occur during use of the EOS-1D X Mark III digital SLR camera. A new firmware release is planned for early April; once the new firmware is ready, we will make an announcement on our website.

We would like to offer our sincere apologies to users of these products who may have been inconvenienced by this issue

Phenomenon

When the camera is used with the electronic level set to “Show” in the viewfinder display, in rare cases, the camera may not perform normally when operating the AF-ON button or shutter button.

Affected Product

EOS-1D X Mark III (Firmware version 1.0.0)

Workaround

Use the “Hide” setting for the “Electronic level” in the “Viewfinder display”.

Setting procedure:

Menu / Set-up 2 tab / Viewfinder display / Electronic level* [Hide]

*Default setting: [Hide]

Support

In early-April 2020, we plan to release a firmware update to address the phenomenon listed above. Once the new firmware is ready, we will make an announcement on the Canon U.S.A website.

In the interim, please follow the steps provided in the workaround.

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