Yongnuo YN568EX User Manual

Meaning of [Charging indicator]
Status of [Charging Indicator] Meaning Operation
The red light is lit The speedlite is fully charged, and can be used. Normal
The green light is lit The speedlite has not been fully charged. Waiting for the completion of charging.
The green light blink
The power is not enough, and the speedlite is about to shut
down.
Please replace the batteries.
The meaning of [Sound indicator]
The sound form Meaning Operation
Tick twice The sound indicator is enabled;
The speedlite is started or flash is ok.
Normal
Three tick, two times The exposure may be over Adjusting exposure compensation or charging shooting condition
Tick tick tick The exposure may be excessive Adjusting exposure compensation or charging shooting condition
Tick—tick twice—tick
twice
The speedlite is in the charging or overheating
protection state.
Waiting for the completion of charging;
waiting for about 3 minutes to cancel the protection.
Tick——a long sound The speedlite is fully charged, and can be used. Normal
Tick—tick —tick
The power is not enough and the speedlite is going
to be shut down.
Replace the batteries.

Yongnuo YN568EX Specifications

General

Flash Modes	TTL, Manual, Multi
Zoom Range	24-105mm
Recycle Time	Approx. 3 seconds
Power Source	4 x AA batteries
High-Speed Sync	Yes
Color Temperature	5600K
Swivel Angle	270 degrees
Guide Number	58 (at ISO 100, 105mm)
Vertical Rotation Angle	-7 to 90 degrees
Horizontal Rotation Angle	0 to 270°
Compatible Cameras	Canon or Nikon (depending on the version)
Tilt Angle	-7 to 90 degrees
Wireless Functionality	Yes, Master & Slave (Canon & Nikon)
Weight	380g (without batteries)