Features
·Can measure the eyes’diopter by a simple operation.
·Can measure the smaller pupil diameter, so the measurement range becomes wider.
·Automatic measurement can be faster while in the best condition
This manual fully describes the automatic refractor, including basic operation, failures, repair, maintenance and clearing.
In order to make better use of the instrument, please read the safety precautions.Please save this manual.
Basic Operation
The preparatory work before the measurement To avoid electrical shock, do not pull the plug with wet hands.
1.Make sure the power switch is in the (OFF) position.
2.Host plug in the power cord.
3.Plug the power cord into a grounded three-pin socket. If there is no grounding can cause fire or electric shock!
4.Turn on the power switch.
5.confirm screen appears normal.
The position of the person who be measured should be correct.
1. Adjust the workbench or make a height to let the person feel comfortable.
2. Put the person’s head on the chin holder. Forehead on the forehead holder.
3. Adjust the chin holder height,make the person’s canthus match the eye height mark.
4. Use control bar to adjust the instrument to target the person’s eyes. Through horizontal / vertical adjustment to locate eyes in the focus box.
