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Essilor AKR 550 Maintenance Manual
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59
Press “Print switch” once and make sure that
“Hyper” is displayed at the upper right corner of
the screen and baudrate, 115200bps, is displayed at the lower right corner of the
screen.
Press the communication start button (“send”)
of ComUpdate on PC. Files are transferred
from PC to auto-ref.
Baudrate
6. Communication start button
59
61
Table of Contents
Auto Kerato Refractometer
2
Table of Contents
2
External View
3
Internal Structural Diagram
4
Measurement Principle
5
Block Diagram
6
Connection Diagram
7
Wiring Diagram
9
Troubleshooting
12
Cleaning of Eye Lens, Measurement Window Filter and Model Eye ASSY
34
Functional Check
35
Maintenance Mode
36
Evaluation of Freeze Image
47
12 Replacement Procedure of each Unit
49
Replacement of Head Cover, Control Board, EEPROM Board and Body Cover
50
Replacement of Optical Unit ASSY
51
Removal of LCD ASSY, Replacement of LCD Relay Board, LCD Cover Unit and LCD Unit
52
Replacement of Printer Control Board, Thermal Printer and Printer Cover Unit
54
Replacement of PD ASSY, Switching Supply and Power Switch
55
Replacement of Joystick Handle and Measurement Switch
56
Rewriting Procedures of the Software of AKR550
57
Packing Mode
61
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Essilor AKR 550 Specifications
General
Brand
Essilor
Model
AKR 550
Category
Medical Equipment
Language
English
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