Canon EOS 80D - Manual (Page 438)

8 : Custom Controls
438
For flash photography, pressing the button assigned to this function will
fire a preflash and record the required flash output (FE lock).
You can set the ISO speed by holding down <0> and turning the
<6> dial. If this control is used while ISO Auto is set, manual ISO
speed setting will take effect. If you use this function in the mode,
you can adjust the exposure with the ISO speed while maintaining the
current shutter speed and aperture.
You can set the exposure compensation by holding down <0> and
turning the <6> dial. Useful when you want to set exposure
compensation in manual exposure with ISO Auto set.
In manual exposure , you can set the shutter speed with the
<6> or <5> dial.
In manual exposure , you can set the aperture with the <5> or
<6> dial.
Press <0> to display the exposure compensation setting screen
(p.230) for the attached (built-in or external) flash unit on the LCD
monitor.
Press <0> to display the flash function setting screen (p.237) on the
LCD monitor.
d : FE lock
e : Set ISO speed (hold button, turnS)
f : Exposure compensation (hold button, turnS)
s : Shutter speed setting in M mode
f : Aperture setting in M mode
y : Flash exposure compensation
0 /3: Flash function settings