How to use:
Step 1: Adjust/fold the binoculars until it
is suitable for your eye distance and
focus in single vision.
Step 2: Close your right eye to rotate
CENTER FOCUS KNOB until left eye
vision is clear.
Step 3: Close your left eye to rotate
RIGHT EYEPIECE KNOB until right eye
vision is clear, and open your two eyes.
| Brief Maunal