Canon MR-14EX II Manual De Instrucciones página 66

C: Setting Custom Functions
I
C.Fn-18:
0: LAMP (With focusing lamp button)
Press the <d> button to turn on/off the focusing lamp.
1: J (Half press shutter button twice)
Press the shutter button halfway twice quickly (double-click) to turn on/
off the focusing lamp. This function is convenient when you do not
have a free hand during shooting. You can also switch on/off the
focusing lamp by pressing the <d> button.
If you use AF to focus with this function set to 1, be careful how you press
the shutter button. The focusing lamp may turn on accidentally.
If you use this flash unit with EOS D60 or EOS D30, it will not operate
properly even if you press the shutter button halfway twice quickly
(double-click). Use the <d> button to switch on/off the lamp.
B
C.Fn-22:
When a button or dial is operated, the LCD panel illuminates. You can
change this illumination setting.
0: 12sec (On for 12 sec.)
1: OFF (Disable panel illumination)
2: ON (Illumination always on)
64
(Macro: Focusing lamp on/off)
(LCD panel illumination)