Yongnuo Speedlite YN968EX-RT for Cameras - Manual (Page 11)

4.The meaning of [Sound Prompt]
The Sound
Form
Meaning
Method
Three tick,
two times
Tick-tick tick
tick tick
Tick---a long
sound
The exposure maybe
excessive.
The exposure may be
insufficient
Overheat protection
prompt
Tick tick tick
Waiting for completion of
charging, idle 3-5 minutes
for overheat released.
Adjust exposure compensation
or change shooting condition.
The speedlite is fully
charged, and can be used.
Wireless transmission OK
Low battery and the
speedlite is about to
shut down.
3.Meaning of [Link lamp]
Green light
Meaning Method
Orange
Transmission OK.
Used as the second and
the subsequent master
unit
Not connect.
Normal
Check if the channel and
ID of the master unit and
slave unit are consistent.
[ LINK] lamp
statues
Red light
Normal
Normal
Normal
Adjust exposure compensation
or change shooting condition.
Tick-tick-tick Replace the batteries.
Tick-a short
sound
Basic Operations
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