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METROLOGIC INSTRUMENTS, INC.

MH941 Hand-Held

Laser Scanner

Installation and User’s Guide

MLPN 2183
Printed in USA
October 1998

Summary of Contents for MH941

Page 1: ...METROLOGIC INSTRUMENTS INC MH941 Hand Held Laser Scanner Installation and User s Guide MLPN 2183 Printed in USA October 1998 ...

Page 2: ...r Brooklin 05 08 Techlink CEP 04571 090 São Paulo SP Brasil Singapore 417818 Outside Brazil Tel 65 842 7155 Tel 55 11 5505 6568 Fax 65 842 7166 Fax 55 11 5505 1681 ant888 cyberway com sg info sa metrologic com In Brazil Tel 55 11 5505 2396 Fax 55 11 5507 2301 metrolog br metrologic com Copyright 1998 by Metrologic Instruments Inc All rights reserved No part of this work may be reproduced transmitt...

Page 3: ...o the Decoder Controller 4 Parts of the MH941 Scanner 5 Audible Indicators 6 9 Visual Indicators 10 13 Labels 14 IR Sensor Activation 15 Scan Field 16 Depth of Field and Symbol Specification 17 18 Maintenance 19 Appendix A Specifications 20 21 Appendix B MH941 Scan Head Pin Assignments 22 23 Appendix C Warranty and Disclaimer 24 25 Appendix D Notices 26 27 Appendix E Patents 28 Index 29 30 ...

Page 4: ...d LED will shut off indicating that the laser is no longer on To reactivate the scanning sequence remove the object and present another When a bar code is recognized the scanner will decode the bar code and then transmit the data to the host system When this occurs the green LED will flash and the scanner will beep when the decoding is complete At this time the laser will turn off if the object is...

Page 5: ...g will be found in the shipping carton Installation and User s Guide MH941 Hand Held Laser Scanner If anything is missing or to order additional items contact your dealer distributor or call Metrologic s Customer Service Department ...

Page 6: ...anner to the host device completely If the fixed scanner will be powered by the host system connect the communication cable to the host device If the fixed scanner will be powered by an external power supply the socket outlet can be installed near the equipment and can be easily accessible Check the AC input requirements of the power supply to make sure the voltage matches the AC outlet Connect th...

Page 7: ...canner Example power supply host system etc must meet the requirements for SELV Safety Extra Low Voltage according to EN60950 Since there are many different types of decoders refer to your decoder s documentation to connect the decoder to your host system For a listing of the cable pin assignments for the MH941 scanner refer to the section MH941 Scan Head Pin Assignments pages 22 and 23 ...

Page 8: ...read the bar code successfully When the green light turns off communication to the host is complete Red LED When the red light is on the scanner is ready to scan ScanQuest Infrared The scanner has an energy saving feature known Object Sensor as ScanQuest that senses when a specified time has elapsed without any scanning If the unit remains dormant for this time the laser and motor will turn off In...

Page 9: ...d scanner One Beep When the scanner first receives power the red LED will blink followed by the green LED and then the scanner will emit one beep After the scanner performs this startup sequence the scanner is ready to scan The green LED will flash and beep once when the unit successfully reads a bar code If the green LED does not flash or the scanner does not beep once then the bar code has not b...

Page 10: ...iode rouge se met d abord à clignoter puis la diode verte Quand le scanner reçoit pour la première fois de l énergie Ensuite le scanner émet un bip sonore unique Une fois cette séquence de démarrage effectuée le scanner est prêt à servir Après lecture avec succès d un code barres par le scanner la diode verte se met à clignoter suivie d un bip sonore unique Si la diode verte ne clignote pas ou qua...

Page 11: ...canner erstmalig Energie zugeführt wird gefolgt von der grünen Leuchtdiodenanzeige und anschließend sendet der Scanner ein einmaliges Piep Signal aus Nach Ausführung dieser Startsequenz durch den Scanner ist der Scanner für den Abtastvorgang bereit Nach erfolgreichem Lesen eines Barcodes durch das Gerät blinkt die grüne Leuchtdiodenanzeige auf gefolgt von einem einmaligen Piep Signal Falls die grü...

Page 12: ...ndo lo scanner viene alimentato per la prima volta quello verde Poi lo scanner emette un unico segnale beep Dopo l esecuzione di questa sequenza di avvio da parte dello scanner esso è pronto per l operazione di scansione Dopo la lettura riuscita di un codice a barre da parte dello scanner il diodo luminoso verde lampeggia e quindi viene emesso un unico segnale beep Se il diodo luminoso verde non l...

Page 13: ...ownwards Red Flash When the scanner first receives power the red LED Green Flash will blink followed by the green LED and then the Stationary Red scanner will emit one beep After the scanner performs this startup sequence the red LED will remain on for a specified time indicating that the scanner is ready to scan If an object is not presented to the scanner the red light will turn off Stationary R...

Page 14: ...uge clignotante diode verte clignotante diode rouge reste allumée Quand le scanner reçoit pour la première fois de l énergie la diode rouge se met d abord à clignoter puis la diode verte Ensuite lescanner émet un bip sonore unique Une fois cette séquence dedémarrage effectuée la diode rouge reste allumée pendant un certain temps indiquant que le laser est prêt à servir Quand le scanner nedétecte a...

Page 15: ...e auf gefolgt von der feststehende rote grünen Leuchtdiodenanzeige und anschließend sendet der Leuchtanzeige Scanner ein einmaliges Piep Signal aus Nach Ausführung Wenn dem Scanner erstmalig Energie zugeführt wird blinkt dieser Startsequenz leuchtet die rote Leuchtdiodenanzeige für einen bestimmten Zeitraum auf und zeigt an daß der Scanner zur Durchführung des Scannens bereit ist Wird dem Scanner ...

Page 16: ...odo l uminoso verde è acceso Quando lo scanner viene alimentato per la prima volta lampeggia dapprima il diodo luminoso rosso e quindi quello verde Poi lo scanner emette un unico segnale beep Dopo l esecuzione di questa sequenza di avvio il diodo luminoso rosso si accende per un determinato periodo ed indica che il laser è pronto per effettuare una scansione Se allo scanner non viene presentato ne...

Page 17: ...e model number The model number label is found on the bottom of the scanner s head Found directly below the output window at the front of your unit is a red avoid exposure label The following are examples of these labels The model number includes the scanner number and revision level For example if the model number is MH941J the scanner is an MH941 and J is the revision level ...

Page 18: ...eyond the output window Refer to Figure 3 The IR device remains active as long as power is applied to the unit When the unit remains dormant for a time the laser will turn off In this stage the scanner s computer is on stand by To reactivate the unit wave an object in front of the IR sensor or pick up the scanner and direct the output window downwards The function of the scanning process in conjun...

Page 19: ... the scanner is from the face of the output window to five 5 inches Refer to Figure 4 If the scanner is in the stand a bar code must be presented to the scanner When holding the scanner position the output window within five inches of the bar code ...

Page 20: ... UPC EAN 13 0 100 0 5 Code 39 7 5 High 0 3 Code 39 12 0 Medium 1 5 Code 39 21 0 Low 1 8 I 2 of 5 7 5 High 0 3 I 2 of 5 12 0 Medium 0 5 I 2 of 5 21 0 Low 1 8 Codabar 7 5 High 0 3 Codabar 12 0 Medium 0 5 Codabar 21 0 Low 1 8 Code 93 10 4 80 0 4 Code 93 13 0 100 0 5 Code 128 10 4 80 0 4 Code 128 13 0 100 0 5 Subject to change Decoder controller dependent ...

Page 21: ...18 Figure 5 ...

Page 22: ...ges and dirt can interfere with the proper scanning of a bar code Therefore the output window will need occasional cleaning 1 Spray glass cleaner onto lint free non abrasive cleaning cloth 2 Gently wipe the scanner window ...

Page 23: ...aser product Maximum radiant power less than 0 5 mW UL CSA TUV UL Listed UL114 CSA certified C22 2 No 950 UL 1950 1989 EMI Complies with FCC VDE Class A Mechanical Dimensions 205mmL x 63mmW x 24mmD 8 L x 2 5 W x 94 D Weight 18 kg 6 4 oz without cable Cable Length Coil cord collapsed 3 5 Extended 6 Electrical Power Watts 0 5 Input Voltage DC 5 V Operating Current 100 Amps Standby Current 025 Amps ...

Page 24: ...ecode controlled by MC941 decoder controller or host system Indicators LED red laser on ready to scan green good read decoding Specifications subject to change without notice U S Patent D31590 5 340 971 5 340 973 and 5 260 553 Environmental Storage Temperature 40EC to 60EC 40EF to 140EF Operating Temperature 0EC to 35EC 32EF to 95EF Humidity 5 to 95 relative humidity non condensing Light Levels Up...

Page 25: ...nal pull up resistor connected to a voltage not to exceed 20 VDC 2 Data An output digital representation of the scanned bar code A low level represents a bar and a high level represents a space This is an open collector output capable of sinking 25 mA via an external pull up resistor connected to a voltage not to exceed 20 VDC 3 Decode LED The scan head is equipped with LED and beeper assemblies A...

Page 26: ...ser enabled continuously as might be desired if the scanner was in a permanent mounting fixture 6 Laser Motor Control A 5 VDC input to the head which is used to start the flipper motor and signal processor and enable the visible laser diode VLD This can be a TTL level signal and requires less than 1 milliampere of current 7 Ground A power ground capable of handling a 500 milliampere load 8 SHIELD ...

Page 27: ...ich in the sole judge ment of Metrologic has been subjected to misuse neglect improper installation or accident nor does it extend to any Product which has been repaired or altered by anyone who is not a Metrologic authorized representative THIS LIMITED WARRANTY EXCEPT AS TO TITLE IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE ...

Page 28: ...hr und haften nicht für die Richtigkeit im Hinblick auf Inhalt oder Genauigkeit der Angaben dieser Veröffentlichung oder des hierin beschriebenen Produkts Sie übernehmen ebenso keinerlei Eignungsgarantie oder Gewährleistung durchschnittlicher Qualität für einen bestimmten Zweck Alle benannten oder ausdrücklichen Zusicherungen schließen sämtliche Verpflichtungen oder Haftungen aus jeglichem Schaden...

Page 29: ...ue Après contrôle de cet appareil on a noté qu il répondait aux valeurs limites de la classe A c onformément à la partie 15 des directives de l administration fédérale américaine pour les t élécommunications Ces valeurs limites ont été prévues pour garantir une protection suffisante contre les effets nocifs dus à l emploi de l appareil dans un magasin L appareil génère et utilise une énergie haute...

Page 30: ...setzen Der Einsatz optischer Geräte mit dieser Laserausrüstung erhöht das Risiko einer Sehschädigung N B Dal controllo di questo apparecchio risulta che esso risponde ai valori limite per apparecchi digitali della classe A conf parte 15 delle direttive sulle telecomunicazioni dell Autorità federale statunitense Questi valori limite sono stati fissati per garantire una protezione adeguata contro gl...

Page 31: ...324 924 5 396 053 5 396 055 5 408 081 5 410 139 5 436 440 5 449 891 5 468 949 5 479 000 5 532 469 5 545 889 No license right or sublicense is granted either expressly or by implication estoppel or otherwise under any METROLOGIC or third party intellectual property rights whether or not such third party rights are licensed to METROLOGIC including any third party patent listed above except for an im...

Page 32: ...21 Locations ii Depth of field 17 18 Dimensions 20 M Disclaimer 25 E Model number 14 Electrical 20 Email ii Environmental 21 Notices 26 27 ESD 21 Europe ii O External Power supply 3 F Faulty equipment 24 Operational 21 Fax ii Output window 1 5 10 14 16 Functions 5 19 21 Headquarters ii Host 1 3 5 10 21 I LEDs 1 3 5 6 10 21 22 Visual 10 13 Internet ii Introduction 1 Labels 14 LASERKLASSE 1 14 LEDs ...

Page 33: ... 24 RMA 24 Roll pitch yaw 21 S Scan field 1 10 16 Scan lines 21 Scan speed 21 Service 24 Shipping carton 2 South America ii Specifications 20 21 Storage temperature 21 T Temperature 21 Transformer 10 U UL CSA TUV 20 USA corporate headquarters ii V Ventilation 21 Voltage 3 4 20 22 W Warranty 24 Watt s 20 Weight 20 Window 1 5 10 14 16 19 21 ...

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