Channel Vision 6128 - Manual (Page 9)

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Note: This product is not suitable for horizontal 360° continuous rotation.
3. Adjusting the Vari-Focal Lens
z
lever to obtain the best image view.
Loosen the Focus lever counter-clockwise several turns, and then rotate the Focus
lever to obtain the optimum picture quality.
Re-tighten the Zoom lever and Focus lever after adjustment.
Loosen the Zoom lever counter-clockwise several turns, and then rotate the Zoom