Hitachi LM-C300S/P Quick Reference Manual page 36

8 Press the "Power:" column.
9 Press the "△" button (increase) or the "▽" button(decrease) and press the "RETURN" key
to
Or press the number and the numeric keypad will appear. Enter the value and press the
"RETURN" key.
10 Press the "FILE" button.
8-3 •POWER ADJUSTMENT
change.