Canon EOS 70D Instruction Manual page 206

Using Wireless FlashN
Fully Automatic Shooting with One External Speedlite
206
This shows the most basic setup for
fully-automatic wireless flash shooting
with one external Speedlite.
Steps 1 to 4 and 6 apply to all
wireless flash shooting. Therefore,
these steps are omitted in the other
wireless flash setups explained on
the pages hereafter.
On the menu screens, the <0> and
<1> icons refer to the external
Speedlite, and the <3> and <2>
icons refer to the built-in flash.
1
Press the <I> button to raise the
built-in flash.
For wireless flash shooting, be sure
to raise the built-in flash.
2
Select [Flash control].
Under the [z2] tab, select [Flash
control].
3 Select [Built-in flash settings].
Select [Built-in flash settings].