Canon PowerShot SX70 HS Digital Camera - Manual (Page 87)

Locking Brightness / Exposure in
Flash Photography (FE Lock)
Retain the flash output level.
FE lock Without FE lock (overexposed)
1
Raise the flash and set it to [ ] or
[ ].
2
Aim at a subject for fixed exposure.
3
Press the button.
z The flash fires, a circle is displayed
showing the metering range, and [ ] is
displayed, indicating that the flash output
level has been retained.
4
Compose the shot and shoot.
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