Canon CR-X500 Outdoor 4K PTZ Camera with 15x Optical (White) - Manual (Page 9)

Connections
9
Connections
When connecting each cable to the MIC terminal, the WASHER terminal, and AUX terminal, be sure to always use the ferrite core
supplied with this product.
To the MIC unit
To the washer
Ferrite core (supplied)
Make one loop
and then attach.
Ferrite core
Make one loop and attach the ferrite core to the cable
within 10 cm from the pan-tilt head connector.