Visionix VX22NP - Setting the Acuity Unit; Setting the Usage Distance

VX22NP-VX22LP-VX22CP User Manual
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4.2. Setting the acuity unit
➢ Select '"Unit" in the menu.
➢ Select the required unit.
4.3. Setting the usage distance
➢ Select "Distance" in the menu.
➢ Measure the distance between the patient and the VX22.
➢ Set the distance using the left/right arrows.