Essilor AKR 550 - Auto Kerato Refractometer; Table of Contents

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Contents
1 External View ................................................................................................................. 2
2 Internal Structural Diagram ........................................................................................ 3
3 Measurement Principle ................................................................................................. 4
4 Block Diagram ................................................................................................................ 5
5 Connection Diagram ...................................................................................................... 6
6 Wiring Diagram ............................................................................................................. 8
7 Troubleshooting............................................................................................................ 11
8 Cleaning of Eye Lens, Measurement Window Filter and Model Eye ASSY ........... 33
9 Functional Check ......................................................................................................... 34
10 Maintenance Mode ...................................................................................................... 35
11 Evaluation of Freeze Image ........................................................................................ 46
12 Replacement Procedure of Each Unit ........................................................................ 48
13 Rewriting procedures of the software of AKR550 ..................................................... 56
14 Packing mode ............................................................................................................... 60