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 <a> 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 <a> manual exposure with ISO Auto set.
In manual exposure <a>, you can set the shutter speed with the
<6> or <5> dial.
In manual exposure <a>, 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