1. Introduction
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1.1 Product Features and Use Scope
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1.2 Classification
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1.3 Main performance index
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2. Safety precautions
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2.1 Safety identification
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2.2 Safety precautions before use
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2.3 Safety precautions during use
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2.4 Safety precautions after use
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2.5 Maintenance and check
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2.6 Disposal
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3. Configuration and Functions
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3.1 Device configuration
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3.2 Accessories
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3.3 Symbols
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3.4 Operation flow
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3.5 Set screen description
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4. Installation and measurement preparation
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5. Measurement
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5.1 Model eye measurement
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5.2 Patient measurement
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6. Self-diagnosis and maintenance
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6.1 Troubleshooting
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6.2 Printer Paper Replacement
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6.3 Cleaning and disinfection
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6.4 Replace fuse
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6.5 Instrument site change
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6.6 Preventive inspection and maintenance
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6.7 Scrap
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7. Outline dimension and other instructions
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