MicroLinks UM06 - user guide - Manual (Page 5)

3
If a loss of electricity occur during operation, please reset the operation.
(4) Manual focus
(4-1) Zoom in ：Zooms in; speed increases when held.
(4-2) Zoom out ：Zooms out; speed increases when held.
(4-3) Step zoom in ：zoom in by steps.
(4-4) Step zoom out ：zoom out by steps.
Microscope remote controller Buttons for common use