
24
5.3 Preparations before Use
1
)
Turn on power switch, the device is automatically initialized.
2
)
Confirm the device is leveled.
If the device is not leveled, rotate horizontal adjusting knob to keep the air bubble in the spirit level
in the middle.
Start up the combined tablet computer used and open the operation interface.
4
)
Press to input the patient’s PD, call the PD adjusting lens in the testing window.
5
)
Keep the patient’s forehead on the baseplate, the indicator is off.
6
)
The tester can observe the testee’s eyes through testing window to make sure his eyes are in the
center of the testing window.
7
)
Adjust corneal vertex distance (VD).
The tester can confirm the corneal vertex distance of the testee through cornea observation window.
Rotate the forehead baseplate knob, adjust the corneal vertex of the testee to needed position.
The corneal vertex is marked below:
8
)
Press the PD adjusting lens exits the testing window.
VD20
VD18
VD16
VD13.75
VD12
Содержание YPA-2100
Страница 1: ...YPA 2100 DIGITAL REFRACTOR User Manual Version 1 0 Date 20180521...
Страница 5: ...13 Electrical Schematic Diagram 82 14 Electromagnetic Compatibility 83...
Страница 24: ...19 Press to enlarge PD press to reduce PD 3 Press to exit PD input interface...
Страница 31: ...26 key...
Страница 42: ...37 4 Click key shift to 0 5XC 5 Click the key again shift to automatic mode Slit Prism...
Страница 55: ...50 34 Press to finish the test...
Страница 72: ...67 3 Program 1 A B C D are recommended vision test steps users can also add or delete as needed...
Страница 74: ...69 Add Key Click it to add one step automatically 4 Click key to enter program customizing interface...
Страница 78: ...73 3 Click key to popup input box...
Страница 79: ...74 4 Use CCQ 800 lensmeter to test lens data and convey the date to YPA 2100 5 Click key 6 Choose No00001...
Страница 80: ...75 7 Click key to complete data import...