Yongnuo E-TTL, User Manual

Page: 3 / 31

Ÿ Please turn off power supplies of all equipment when
connecting or installing the product.
Ÿ
Please keep it dry. Be sure not to use wet hand to touch
the product. It is also not allowed to immerse the product
into waster or make it be exposed in the rain; otherwise it
may not work normally or even be damaged.
Ÿ Do not use it in explosive situations; violation of this
warning may cause an explosion or fire.
Ÿ
This product involves batter y, please be in strict
accordance with the relevant provisions on the use of the
battery, otherwise it would cause property damage or
personal injury.
Cautions
1
The functions described in this user manual are all under the
conditions that: all transceivers are set in the same channel,
power of all
equipments is on, enabled the flash firing. This
product is a wireless transceiver, to express conveniently, in
this user manual,
it is called (master control
unit) when being installed on the hot shoe of the camera,
while it is called
(slave unit) when a flash is
installed or connected.
transmitter
receiver