Canon EOS REBEL T6 (W) Mode D'emploi De Base page 126

Registering a Nickname
Virtual Keyboard Operation
Entering text

In the bottom area, press the <S> cross keys or turn the <6> dial
to select a character, then press <0> to enter it.
You can check how many characters you have entered, and how
many more can be entered, by referring to [*/*] on the upper right of
the screen.
Deleting a character

Press the <L> button to delete one character.
Finishing the text entry

Press the <M> button to confirm what you have entered and
exit. If a confirmation dialog is displayed, select [OK] to exit.
Canceling the text entry

Press the <B> button to cancel text entry and exit. If a
confirmation dialog is displayed, select [OK] to exit.
W-10
Changing the entry area

Press the <Q> button to toggle
between the top and bottom entry
areas.
Moving the cursor

Press the <Y> <Z> keys in the top
area to move the cursor.