Canon EOS-1D X Mark III DSLR Camera (Body Only) User Manual
Page 397
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3.
Check and change the lens information.
(1) Registered number
Displaying lens information
Press the <
> button.
The lens name is displayed with a 10-digit serial number. When the
serial number is displayed, select [
OK
] and go to step 4.
“0000000000” is displayed if the lens serial number is not recognized,
and in this case, enter the number manually.
For details on the asterisk “*” preceding some lens numbers, see
.
Entering serial numbers
Select the digit to be entered, then press <
> so <
> is displayed.
Enter the number, then press <
>.
After entering all the digits, select [
OK
].
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