13. Output level indicator: Set the output power by button; there are 8 levels for
output level adjustment. Indicates the output power and the fine-tuning; it also indicates
the current focal length when adjusting the zoom.
14. The sound switch: A short press will enable or disable the ready sound; hold down
the button for longer to turn on/off the power saving mode.
15. Mode switch button: Change the mode of the flash light; it will cycle through
M/S1/S2 for each press.
16. Charging indicator / Test button: The red light will glow when the charging
process is complete and the flash light can be used; it will glow green to show that it is
charging or the batteries are low on power; alternate flashing of red and green light
shows overheat protection cutout. If you press the test button (PILOT), the flash will
give a test flash.
17. Power Save indicator: When power saving mode is disabled, the indicator is lit for
a long period; when the power saving mode is enabled, the light is off. When the flash
enters sleep mode, the indicator will flash.
18
．
Flash head manual motor zoom: You can adjust the zoom setting by pressing the
[
＋
] and [
－
] keys (24, 28, 35, 50, 70, 80, 105mm).
