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Interactive calibration

Align gaze with an arm-length target

Slide your chair outward, pause, then reposition it until the etched reticle aligns with relaxed forward vision while your arm rests lightly extended.

Tap the luminous target to march through cues

Set seat height evenly

Feet should rest with heels lightly touching the floor. Adjust the chair column in small increments, pausing fifteen seconds between turns so muscles adapt.

Keep sessions short

Calibration is exploratory. Pause if you notice strain and resume another day—or email the editorial desk listed on Reach for factual questions about the illustrations.