Optika OPTIKAM PRO HDMI Bedienungsanleitung Seite 6

The button is used to set the White Balance, it can also be used as a LEFT arrow when you are in the MENU.
The button is used to confirm your choice, to save a still image into the MicroSD card or to save a Video Clip,
it can also be used as a RIGHT arrow when you are in the MENU.
The button is used as a Zoom IN, it can also be used as a UP arrow when you are in the MENU.
The button is used as a Zoom OUT, it can also be used as a DOWN arrow when you are in the MENU.
The button is used to activate the MENU that can be shown on the HDMI Screen only.
ON/OFF button: Press and hold for 2 seconds to switch on/off your HDMI.
Zoom In/Out button
Zoom In: Long press
Zoom Out: Long press
continuously to zoom in the current preview image.
The max magnification is 10, the step is 0.1.
continuously to zoom out the current preview image.
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