Move the trackball to change the cursor position.
Confirm an operation. The function is same with the left-button of
the mouse.
Freeze/defreeze the image.
Save the image; user-defined key.
User-defined keys, functions of which can be defined in preset.
Battery status indicator.
◼ Charging status:
It illuminates in green when batteries are charged fully.
◼ Discharging status:
It illuminates in green when the power of the batteries is sufficient;
It illuminates in orange for low battery capacity.
AC indicator
The indicator is on at AC supply.
Standby indicator.
Standby: blinking in orange.
Hard disk status indicator.
The indicator blinks in green when hard disk is running.
NOTE: “/” means the key are undefined or have no silk print. For the undefined keys, you can
customize them.