Konig Electronic Digital security video recorder equipped with built-in 500 GB hard disk - Manual (Page 22)

English
22
You need to maximize a camera window and open PTZ mode to
control the camera. Tap the arrows on the side of the camera window
to control side-to-side or up-and–down movements of the camera.
Other control buttons include: Zoom, Focus, Iris, PTZ speed and
Preset, as shown in the following figure.
Zoom In
Zoom Out
Focus In
Focus Out
Iris In
Iris Out
Preset
PTZ Speed