Gilras GRT-700, Руководство пользователя

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5) Operating Manual
1. Let the subject sit on the chair, power on the instrument and press the
[power] key on the panel, the instrument will stand by
2. Loose the locker of the rocker, adjust the eyesight detector to a suitable
position, then lock the rocker
3. Adjust the height of the chair using the [up/down] keys on the panel
according to the subject’s height to make sure that the subject’s eyes and
the eyesight detector’s sight holes are on a level. You can also use the
[up/down] switch on the front of the operating board to do the same
operation. In addition, there is chair up inhibiting device below the
operating board to protect the subject’s legs.
4. When you need it, you can rotate the [lamp] knob on the panel.
5. Press the [projector] key on the control panel and refer to a manual of
the projector.
6. You should refer to a manual of the eyesight detector if you do not
know how to operate it.
7. After the eyesight examinations, you have to loose the rocker locker,
move the rocker to its original position and lock it. At last, let the subject
come down from the chair, shut off the power.