Canon EOS 80D - Manual (Page 239)

239
3 Setting the FlashN
 2 Flash exposure compensation
The same setting as step 3 in “Flash
Exposure Compensation” on page 230
can be set.
 Wireless functions
With wireless flash photography (via
optical transmission), you can use the
built-in flash to wirelessly control external
Speedlites.
For details, see “Wireless Flash
Photography” on page 244.