In the Focus tab click on the Start button and the Status will change to Configuring Camera. During this phase
the camera will take a series of images in order to adjust the exposure time with the current light conditions.
After setting the camera parameters, the status will change to Getting a new Photo and finally to Next Photo.

At this point you will see the image on the screen.

Recommendation:
When you are outdoor: check the box labeled B/W (i.e. black and white) to see the image better.

Focusing the camera:
 

Foucsing the camera- black&white mode: