Yongnuo Speedlite YN468-II User Manual page 5

[Mode Switch
Button]+[－]
[Mode Switch
Button]+[＋]
[Mode Switch
Button]+[Power
Button]
Status and meaning of [Charging indicator]
Status of
[Charging
Indicator]
The red light
is lit.
The green
light is lit.
The green
light blinks.
The red and
green lights
blink
alternatively.
2. Power-on and Power-off
Turn the switch knob clockwise to turn on the flash light power
supply; at the same time, the flash light is set as TTL mode, the
charging indicator is green and it will turn to red after the charge
is finished many seconds later, which indicates the flash is
Under the M, Multi, S1 and S2 modes, the
output power of the flash light can be
adjusted through this button
Under the Multi mode, this button can also
be used to adjust the time of the frequency
flash and the frequency. Please refer to the
section of Multi mode.
Please press the [Mode Switch Button] first
for a while and then press [-]. The switch of
the focus light will turn on or turn off for
each press.
Please press the [Mode Switch Button] first
for a while and then press [+]. The flash
light will switch between the front-curtain
synchronization
synchronization for each press.
Please press [Mode Switch Button] first for
a while and then press [Power Button]. The
head focus of the flash light will switch
among the (Auto / 24 / 28 / 35 / 50 / 70 /
85mm) in circle for each press
Meaning
The flash light is fully
charged, and can be used.
The flash light has not been
fully charged.
The flash light is locked
due to low battery.
The flash light is locked to
prevent overheating due to
frequent flashing.
and back-curtain
Operation
Normal
If the green light is
lit for a long time,
replace the batteries.
Replace the
batteries.
Wait for about 3
minutes to cool the
flash light.