on/off by pressing this button for 2 seconds.
It is recommended that the batteries be removed from the
battery bay only after the flash light is switched off using this
button.
[Mode Switch
Button]
The trigger mode of the flash light can be cycled through
M/S1/S2 by pressing.
[Sound Switch] Pressing can enable or disable the ready sound signal. Holding
this button down for 2 seconds will enable or disable the