Seiko ER6000 Operation Manual page 28

If the spelling of a word you enter is correct:
1 Press
.
SPELL
2 Type a word.
Example: colour
3 Press
.
ENTER
The message "Correct!" will appear and the arrow
mark will begin to flash on and off.
26
SPELL
COLOUR
ENTER
SPELL
CLR
SPELL
SPELL
SPELL