Nidek Medical RT-3100 Manual
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Nidek Medical RT-3100 Manual

Refractor interface manual
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REFRACTOR
REFRACTOR
RT-3100
RT-3100
INTERFACE MANUAL
INTERFACE MANUAL
October 2015
Pages in total: 30
MRT11*RTZ001D/E

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Summary of Contents for Nidek Medical RT-3100

  • Page 1 REFRACTOR REFRACTOR RT-3100 RT-3100 INTERFACE MANUAL INTERFACE MANUAL October 2015 Pages in total: 30 MRT11*RTZ001D/E...
  • Page 2 NIDEK CO., LTD. : 34-14, Maehama, Hiroishi Gamagori, Aichi 443-0038, JAPAN (Manufacturer) Telephone: +81-533-67-6611 Facsimile: +81-533-67-6610 NIDEK CO., LTD. : 3F Sumitomo Fudosan Hongo Bldg., 3-22-5, Hongo, (Tokyo Office) Bunkyo-Ku, Tokyo 113-0033, JAPAN Telephone: +81-3-5844-2641 Facsimile: +81-3-5844-2642 NIDEK INC. : 47651 Westinghouse Drive, Fremont, CA 94539, U.S.A (United States Agent) Telephone: +1-510-226-5700 Facsimile: +1-510-226-5750...
  • Page 3 Table of Contents § 1 Page OUTLINE ........................1-1 1.1 Basic Interface Specifications ................. 1-1 1.2 Connector Signal Configuration ................1-2 § 2 COMMUNICATION SEQUENCE ................2-1 § 3 DATA TRANSMISSION FROM THE RT TO THE PC .......... 3-1 3.1 Output of Refraction Data ..................3-1 3.2 Output Condition of Refraction Data ..............
  • Page 5 § 1 OUTLINE Interface specifications for communication between the RT-3100 and personal computer or external appliances are stated herein. 1.1 Basic Interface Specifications (1) When the parameter “Communication Sequence for PC” is “Type 1” Basic spec. : Corresponding to RS-232C...
  • Page 6 DIN 8P (female) Connect the connector for the external computer of the RT-3100 (PC port) with the external computer serial communication port (RS-232C port) of the external computer with the Interface Cable OPIF- A converter is required when the connector on the external computer side is different from the...
  • Page 7 The transmitter confirms that the receiver is “Enabled”. (High on the cable) The data is transmitted. * When the parameter “Communication Sequence for PC” is “Type2” and the data is output from the RT-3100 to the computer, the data transmission of above is immediately executed without the DTR/DSR control of...
  • Page 8 2 - 2 This page is intentionally left blank.
  • Page 9 DATA TRANSMISSION FROM THE RT TO THE PC § 3 By pressing the Print switch on the control box, all measured data can be transmitted to the external appliance such as a personal computer. Any selected data among Unaided , LM , AR , Subj and Final can also be transmitted at random.
  • Page 10 3 - 2 3.2 Output Condition of Refraction Data • An item with no data cannot be transmitted. • Only Far vision data of the Lensometry data and the Objective data (without ADD and PRISM values) are transmitted. Otherwise, both Far and Near vision data are transmitted.
  • Page 11 4.1 Heading (1) When the ID No. parameter is set to “Standard” SH NIDEK_RT-5100_ IDΔΔΔΔΔΔΔΔΔΔΔΔ̲DAYYYY/MM/DD_SN Company Name : NIDEK (5 letters) Model : RT-3100 (7 letters) : ΔΔΔ..Δ ID No. (12 figures) Data of Measurement : YYYY (Year) (4 figures)
  • Page 12 4 - 2 4.2 Data Source SX @ LM : Lensmeter (Lensometry data) RM : Autorefractometer (Objective data) : Refractor (Unaided, subjective and final prescription data) KM : Keratometer NT : Tonometer (Intraocular pressure data) 4.3 Text Data Format of Each Data Source Measured data Patient’s eye or equivalent Far vision : R = Right eye, L = Left eye, B = Binocular,...
  • Page 13 4 - 3 4.3.1 LM data SPH :6 CYL : 6 AXIS : 3 ADD : 6 Corrected visual acuity VA: 5 PRISM H-prism : 6 V-prism : 6 PD value PD : 4 Space : 8 PD Bino : 4 Right : 4 Left : 4 4.3.2 RM (AR) data Objective SCA SPH : 6 CYL : 6 AXIS : 3...
  • Page 14 4 - 4 (d) Working distance (WD) data Working distance data : 2 4.3.4 KM data (a) mm data R1, R2, AXIS R1 : 5 R2 : 5 AXIS : 3 (b) D data R1, R2 R1 : 5 R2 : 5 4.3.5 NT data (a) mm Hg data mmHg (4)

  • Page 15: D1 D2 D3 D4

    4 - 5 4.4 Format of Each Data 4.4.1 SCA data SPH : 6 CYL : 6 AXIS : 3 (a) SPH data BYTE Contents Polarity Point Polarity : +, –, space (when the data is 0.00) : Tens place digit (Space if it is zero) : Ones place digit Point : “...

  • Page 16: Point : " . " (Decimal Point)

    4 - 6 4.4.3 Visual acuity data VA : 5 Unaided visual acuity = W, Corrected visual acuity = V (a) Decimal point display data BYTE Contents Compare D1 Point D2 D3 Compare : When a patient could not see the largest figure on the chart, “ > ” , “...
  • Page 17 4 - 7 4.4.4 Prism data H-prism : 6 V-prism : 6 (a) H-prism data BYTE Contents Polarity D1 Point Polarity : IN = “I ” = “ O ” A space is entered when the data is “0.00 ”. Otherwise the same as “4.4.1 SCA data (a) SPH”.
  • Page 18 4 - 8 4.4.6 Working distance (WD) data WD data : 2 CR BYTE Contents : Tens place (10cm) digit : Ones place (1cm) digit 4.4.7 KM data (a) mm data R1 : 5 R2 : 5 AXIS : 3 CR (b) D data R1 : 5 R2 : 5 BYTE...
  • Page 19 4 - 9 4.4.8 NT data (a) mmHg data mmHg (4) BYTE Contents D1 D2 Point D3 : Tens place digit (Space if it is zero) : Ones place digit Point : “ . ” (Decimal point) : First place after the decimal point (b) kPa data kPa (4) BYTE...
  • Page 20 4 - 10 This page is intentionally left blank.
  • Page 21 DATA TRANSMISSION FROM THE PC TO THE RT § 5 By transmitting the data from computer to the RT-3100, the lens of the RT can be set automatically. The data transmissible are LM data and AR data. After transmitting the data from the personal computer,...
  • Page 22 5 - 2 This page is intentionally left blank.
  • Page 23 § 6 DATA FORMAT (THE PC TO THE RT) The following data format is used to transmit all data. SH ID No. block EB AR SCA block EB AR PD block EB → LM SCA block EB LM ADD block EB LM PRISM block EB →...
  • Page 24 6 - 2      Block data of LM SCA DLM SX * R SCA block EB * L SCA block SCA data of Left eye SCA data of Right eye Signifies LM data In case Only right eye data : DLM * R SCA block Only left eye data : DLM...
  • Page 25 6 - 3      SCA block data AXIS data CYL data SPH data      ADD block data ADD data      PRISM block data [Rectangular coordinates] PRISM data [Polar coordinates] PRISM diopter data PRISM base direction data ...

  • Page 26: D1 : Hundreds Place Digit (0 Or Space If It Is Zero)

    6 - 4 6.2 Format of Each Item of Data      SPH data BYTE Contents Polarity Point Polarity : + , – : Tens place digit (0 or space if it is zero) : Ones place digit Point : “...

  • Page 27: Table Of Contents

    6 - 5      PRISM data [Rectungular coordinates] BYTE Contents Point Base : Tens place digit (0 or space if it is zero) : Ones place digit Point : “ . ” (Decimal point) : First place after the decimal point : Second place after the decimal point Base : Base direction I(IN), O(OUT), U(UP), D(DOWN)
  • Page 28 COMMUNICATION BETWEEN THE RT AND THE PC § 7 Computer ① ② Data ③ The computer requires the RT to transmit the data. The command is as follows. SH C * * SX RS EB ET The RT acknowledges the data transmission from the PC. The command is as follows.
  • Page 29 SAMPLE PROGRAMS FOR COMMUNICATION § 8 8.1 Flow Chart at Data Reception This program is used to receive data from the RT and to store them in memory. START Initialize OPEN • The DTR of the PC is turned on. •...
  • Page 30 8 - 2 8.2 Flow Chart at Data Transmission This program is used to transmit the data from the PC to the RT. START Initialize • The DTR of the PC is turned on. OPEN Check DSR DSR OFF DSR ON Transmit C**RS •...
  • Page 31 8 - 3 8.3 PC Sample Program...
  • Page 32 8 - 4...

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