Canon OPTURA200 MC Instruction Manual page 52

If your wireless controller is not working:
E
Make sure the camcorder and the wireless controller are both set to the
same mode. Check the mode the camcorder is set to by pushing any button
other than the REMOTE SET button on the wireless controller. The
camcorder's mode appears in purple for about 4 seconds. Set the wireless
controller's mode accordingly by pressing the aforementioned button
combinations. If the wireless controller still does not work, change the
batteries.
Notes:
• The mode of the camcorder also appears for 4 seconds when you turn the
power on.
• When you replace the batteries, the wireless controller returns to mode 1.
Change the mode again if necessary.
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