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Nidek Medical LM-500 User Manual

Nidek Medical LM-500
88 pages
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INTERFACE MANUAL
December 2010
Pages in total: 88
MLM22*RTZ001D/E
LM-500/600/600P/600PD
AUTO LENSMETER

Table of Contents

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Nidek Medical LM-500 Specifications

General IconGeneral
BrandNidek Medical
ModelLM-500
CategoryMeasuring Instruments
LanguageEnglish

Summary

Outline of Communication

Outline of Communication Function

Explains the method of receiving measured data through RS-232C/USB.

Basic Interface Specifications

Details RS-232C and USB communication specifications and parameters.

Installation of the USB Driver

Describes the procedure for installing the USB driver for data reception.

Cable Connection

Illustrates the physical connection between the LM and external devices.

Data Format

Communication Format

Defines the structure and symbols used in command and data transmission.

Command Format

Details various commands (RD, SD, RS, CL, AB) for LM-computer interaction.

Basic Data Format

Explains the general structure of measured data output from the LM.

Format of Each Data Type

Details the format for specific data types like model name, SPH, CYL, AXIS.

Error Format

Describes the format of error messages transmitted by the LM.

Example of Data Output

Provides concrete examples of data transmission for various measurement scenarios.

Communication Procedure (other than NCP20)

Outline

Explains the procedure for transmitting data from the LM to a computer.

Communication Control Signals (DTR Output to DSR Input)

Details the role of DTR/DSR signals in NIDEK Com mode communication.

Actual Communications

Outlines the steps for setting up and executing communication between LM and PC.

Example of Communication Program

Provides sample BASIC programs for LM-computer data communication.

Flowchart

Visualizes the communication sequence between LM and computer.

Communication Procedure (NCP20)

Block Format

Defines the structure of data blocks for NCP20 protocol.

Normal Sequence

Illustrates standard data exchange sequences in NCP20 protocol.

Error Sequence

Describes error handling and time-out settings in NCP20 communication.

Installation of USB Driver

Installation Procedure (Windows 7)

Step-by-step guide for installing the USB driver on Windows 7.

Installation Procedure (Windows Vista)

Step-by-step guide for installing the USB driver on Windows Vista.

Installation Procedure (Windows XP)

Step-by-step guide for installing the USB driver on Windows XP.

Installation Procedure (Windows 2000)

Step-by-step guide for installing the USB driver on Windows 2000.

Installation Procedure (Windows 98)

Step-by-step guide for installing the USB driver on Windows 98.

Installation Procedure (Windows ME)

Step-by-step guide for installing the USB driver on Windows ME.

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