Yongnuo YN560 - Flash Modes: M, S1, S2

If the
flash light does not charge within
20 seconds, the
flash
will automatically
shutdown. Then you need to replace the batteries with new ones.
You may press the test button [PILOT] to check that the flash works normally.
After use, hold the power switch for 2S to switch off.
3. M Mode
In M (Manual) mode, you can set the flash output level as you like. By [LEFT]
[RIGHT], [UP] [DOWN] and [OK] in the middle, you can adjust the flash output level
.
The adjustment range of the flash output level is 1/128 ~ 1/1. There are 8 levels
of
output and each level has 8 fine tuning steps. The [UP] [DOWN] buttons are
used to
fine tune the output power. The output level is indicated by the output power
indicator.
For shooting, what you need is to set the flash output level
, adjust the camera and press
the shutter. The flash light will flash when triggered by the camera’s sync signal.
4. S1/S2 modes
By pressing the [Mode Switch Button], the flash will change to
the S1/S2 mode. These
two modes are suitable to be used as off-camera slave lights
, so as to create a variety of
lighting effects. They are suitable for manual flash environ
ment and TTL flash