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YPA-2100
Yeasn YPA-2100 Manuals
Manuals and User Guides for Yeasn YPA-2100. We have
1
Yeasn YPA-2100 manual available for free PDF download: User Manual
Yeasn YPA-2100 User Manual (91 pages)
DIGITAL REFRACTOR
Brand:
Yeasn
| Category:
Medical Equipment
| Size: 4 MB
Table of Contents
Table of Contents
3
1 Specifications
6
Measurement Range
6
Host
6
Assistant Lens
6
Adjustment Range
7
Power Parameters
7
Dimensions
7
Weight
7
2 Safety Precautions
7
3 Main Structure
10
Host
10
Printing Base
12
4 Installation Method
13
Part List
13
Installation Instructions
13
Install the Device Onto the Compound Table
13
Install Short-Distance Visual Chart
13
Install Short-Distance Vision Rod
14
Horizontal Adjustment after Installation
14
Install Printing Paper
15
Router Settings
15
Install APP
15
5 Directions for Use
16
Device Startup and Shutdown
16
Device Startup
16
Device Shutdown
16
Operation Interface
16
Main Interface
16
Assistant Lens Setup
21
Pupil Distance Input
23
System Parameter Setup
25
Preparations before Use
29
Standard Optometry Procedure
30
Binocular Functional Testing Method
56
Crisscross Matrix Test (Presbyopia)
56
Cross Test (Heterophoria)
56
Cross Fixation Vision Test (Heterophoria)
58
Cross Ring Test (Heterophoria)
59
Horizontal Coincidence Test (Horizontal Image Inequality and Horizontal Heterophoria)
60
Vertical Coincidence Test (Vertical Image Inequality and Vertical Heterophoria)
60
Horizontal Maddox Rod Test (Horizontal Heterphoria)
61
Horizontal Maddox Rod Test (Horizontal Heterphoria)
62
Clock Test (Rotatory Heterophoria)
63
Worth 4 Dot Test
64
Stereopsis
65
Divergence Test
66
Congregation Test
67
Near -Point Congregation (NPC) Test
68
Near -Point Adjustment (NPA) Test
69
Negative-Relative Adjustment (NRA) Test
69
Positive-Relative Adjustment (PRA) Test
70
Customer Self-Programming
71
Self-Programming
71
Run Customized Program
76
6 Troubleshooting
81
7 Cleaning and Protection
82
Clean the Forehead Baseplate
82
Clean the Nose Baseplate
82
Clean the Testing Window
82
Clean External Parts
83
8 Maintenance and Care
84
9 Environmental Conditions and Service Life
85
10 Environmental Protection
86
11 Manufacturer's Responsibility
86
12 Symbol Description
86
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