Attaching And Detaching The Speedlite To And From The Camera - Canon Speedlite 430EXIII-RT Instruction Manual

Using AA/R6 batteries other than the alkaline type may cause contact failure
due to the irregular shape of the battery contacts.
When <!> is displayed or the LCD panel display turns off during
recycling, replace the batteries with new ones.
Use a new set of four batteries of the same brand. When replacing the
batteries, replace all four at one time.
AA/HR6 Ni-MH batteries can also be used.
Attaching and Detaching the Speedlite to
and from the Camera
Be sure to turn off the Speedlite before attaching or detaching it.

Attaching and Detaching the Speedlite to and from the Camera

Attach the Speedlite.
1
Slip the Speedlite's mounting foot all
the way into the camera's hot shoe.
Secure the Speedlite.
2
Slide the mounting foot lock lever to
the right.
When the lock lever clicks in place, it
is locked.
Detach the Speedlite.
3
While pressing the lock-release
button, slide the lock lever to the left
and detach the Speedlite from the
camera.
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