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Before using that microphone with the Vixia HF G40, you'll want to update the camera's firmware so that it will work with that mic. We put together an illustrated guide for doing that on the link below. Note that step two will be different for your camera. Instead of putting the camcorder in the playback mode, you'll want to put it in the camera mode.
After you do the update, you can reference the illustrated steps for attaching the microphone.
my GF came up with the answer: set the camera to a lower data rate then the camera will allow mic adjustment. you can then set the camera back to a higher rate and maybe it will hold the directionality you chose. maybe it will record. So nonintuitive I came back here to report.
In the camera's menu, please change the microphone's directionality mode when using the SM-V1 Surround Microphone. In the tab with the camera within the camera's menu, please select this option under "Surround Mic Directionality".
More information about using an external microphone with the VIXIA H FG40 can be viewed on page 78 of the camera's user guide:
Thanks, NatalyaP. Nothing in the documentation mentions the issue I learned about: the need to set the camera to a lower data rate ao the camera will allow mic adjustment. The mic adjustment was greyed out at 23 Mbps but appeared again at 17 Mbps maybe there are other menu items with this issue?
07/31/2023: New firmware updates are available.
05/31/2023: New firmware updates are available.
05/18/2023: New firmware updates are available.
04/20/2023: New firmware version 1.4.1 is available for EOS R3
03/30/2023: New firmware updates are available.
2/07/2023: New product announcements!EOS R8 EOS R50RF-S55-210mm F5-7.1 IS STMRF24-50mm F4.5-6.3 IS STMRF15-30mm F4.5-6.3 IS STM