Canon EOS 1D Mark II N Instruction Manual page 28

Using a Household Power Outlet
The DC Coupler is not water-resistant, so do not get it wet when using it
outdoors.
The DCK-E1 is dedicated to the EOS-1D series camera only. It cannot
be used with any other camera.
When the <
AC adapter's power cord from the power outlet. Otherwise, the camera
may stop operating. If the camera stops operating, remove the DC
Coupler from the camera and reinstall it.
When connecting to and using a household power outlet, use only DC
Coupler Kit DCK-E1 (rated input: 100-240 V AC 50/60 Hz, rated output:
13 V DC). Using anything else can cause fire, overheating, or electrical
shock.
28
4
> switch is set to <
1
>, do not disconnect the DC plug or