The HP 9144A
Contents
1. 92193H Kit Contents 2 x 402 bottles of Tape Head Cleaner 50 Lint Free Wipes 10 Foam Swabs with plastic shafts 1 easy pour dispensing cap SUPPLIES amp ACCESSORIES E 1 E 2 Cleaning Accessories Cleaning Cartridge HP 92193E Cleaning Cartridge Replenishment Kit Foam pads and Cleaning Tuldl esse HP 92193P Spare Fuses 3A Normal Fast Blow 250V 2110 0003 Cables HP IB KT2. ss HP 10833D 33 ENKER ENKEN KEEN n HP 10833A Dfiesanunnunnnunnnnannnnnnnnunennuneneen HP 10833B Cabinet and Accessories Design Pius mobile mini rack system 0 HP 92211R Rail kit for HP 92211 4 sets of rails and module locks senseseees HP 92211S Filler Panel Kit for HP 92211R 20 snap in HP 92211T 19 inch Rack Mou
3. the cartridge The tape drive is now ready for use Tape head cleaning is simpler if you use the head cleaning cartridge kit HP 92193E which includes a cleaning cartridge cleaning fluid and replaceable cleaning pads Full instructions are provided with each kit Cleaning the Case Caution The front panel and top cover of the tape drive are made of colored plastic and are unpainted The rear panel and chassis are finished in a durable non toxic paint With occasional cleaning the finish should be preserved for many years but if it does become damaged consult your local HP Sales and Support Office for the touch up paint which is available To clean the case A DISCONNECT THE POWER CORD AND CONNECTING CABLES B Dampen a clean soft lint free cloth in a solution of clean water and mild soap C Wipe the soiled areas of the case making sure that no cleaning solution gets inside the case or into the connectors D Remove the soap solution by wiping with another clean soft lint free cloth moistened only with clean water E Dry the case with a soft clean cloth You can remove pen and pencil marks with a non abrasive eraser Do not use spray on cleaners or other chemical cleaners They may damage the case finish Do not use detergents that contain ammonia benzenes chlorides or abrasives MAINTENANCE 4 7 Replacing ine Fuse 1 8 Warning MAINTENANCE
4. Ki amp A HP 9144A User s Manual HP 9144A Tape Drive User s Manual HEWLETT ZA PACKARD Manual Part No 09144 90000 Notice Printing History The information contained in this document is subject to change without notice Hewlett Packard makes no warranty of any kind expressed or implicd including but not limited to the implied warranties of merchan tability and fitness for a particular purpose Hewlett Packard shall not be liable Por errors contained herein or for incidental or consequential damages including lost profits in connection with the furnishing perfor mance or use of this material whether based on warranty contract or other legal theory Hewlett Packard assumes no responsibility for the use or reliability of its software on equipment that is not Furnished by Hewlett Packard This document contains proprietary information which is protected by copyright All rights are reserved No part ol this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Co O 1987 by Hewlett Packard Ltd Computer Peripherals Division Filton Rd Stoke Gifford Bristol BS12 60Z Great Britain Edition 2 February 1987 Printed in U K This manual was written using an HP 3000 computer running TDP 3000 soft ware using a formatting schema developed hy the technical publications depart ment at Computer Peripheral
5. O Plug the other end of the power cord into the power supply outlet item 4 fig 2 3 14 SETTING UP Using the HP 9144A This chapter covers a Switching on the HP 9144A a Cartridges and their care a Loading and unloading cartridges Protecting cartridges from accidental erasure of data a Using the HP 9144A with a computer system a Using the HP 9144A with an HP 150 personal computer Note Because of the variety of applications and systems available this manual does not describe the commands you will use to back up and transfer your data Refer to the software and systems manuals for this information USING THE HP 9144A 3 1 Switching On Cartridges A q and their care 3 2 il Caution USING THE HP 9144A Once you have completed the steps in the last chapter you can switch the drive ON by pressing IN the AC LINE Switch item 1 fig 2 2 on the front panel The drive is ON when the switch is IN and OFF when the switch is OUT A Ensure that the ventilation grille on the rear panel is free from obstructions B Switch ON the tape drive by pressing IN the AC LINE Switch The tape drive will now go through a self test routine which takes about 7 seconds After the self test is complete the drive is ready to accept a tape cartridge Tape cartridges for the HP 9144A are available in two capacities Type L 67 1 Mbyte 600ft part no 88140LC box of 5 Type S 16 7 Mbyte 150ft p
6. USING THE HP 9144A 3 7 NN TTT Jse with a system The HP 9144A can be used with a variety of computer systems and applications To find out the commands which you should use with your particular system consult your system or software manual For example Section 4 of the HP 3000 System Operation and Resource Management Reference Manual part no 32033 90005 explains to system operators how to back up system and user files Similar sections can be found in other system manuals Jse with an iP 150 PC 8 USING THE HP 9144A To use the HP 9144A Tape Drive with an HP 150 Personal Computer you need the Option 150 Tape Backup Utility part no 09142 87910 This consists of an instruction manual and a flexible disc containing a backup application program w Caution Media Monitor Maintenance This chapter covers a How the HP 9144A monitors the condition of your tape cartridges a An overview of the tape drive s self test features a Cleaning the tape head a Cleaning the case a Changing the fuse There are no user serviceable parts in the HP 9144A Service must be carried out by Trained Service Engineers The HP 9144A monitors the condition of your tape cartridges Sth ef we If the ZProtect lamp flashes at the end of an unload sequence when the 2 Busy lamp goes out this means that the tape is nearing the end of its useful life NASSA When Protect flashes AFPA NS A Cop
7. 2 712 0404 Thailand Unimesa Bangkok Tel 66 2 235 5727 Tunisia Tunisie Electronique Tunis Tel 216 1 280 144 Turkey Saniva Bilgisayar Sistemleri A S Instanbul Tel 90 1 727030 United Arab Emirates Emitac Sharjah Tel 971 6 591181 WORLDWIDE SALES OFFICES 3 United Kingdom Stockport Tel 44 61 4280828 Winnersh Wokingham Tel 44 734 784774 Northern Ireland Belfast Tel 44 9603 67333 Scotland South Queensferry Tel 41 31 3311188 United States Alabama Birmingham Tel 1 205 822 6802 Alaska Anchorage Tel 1 907 563 8855 Arizona Phoenix Tel 1 602 273 8000 California Santa Clara Tel 1 408 988 7000 Colorado Englewood Tel 1 303 649 5000 Connecticut Wallingford Tel 1 203 265 7801 Florida Orlando Tel 1 305 859 2900 Georgia Atlanta Tel 1 404 955 1500 Hawaii Honolulu Tel 1 808 526 1555 Idaho Boise Tel 1 208 323 2700 Illinois Rolling Meadows Tel 1 312 255 9800 Indiana Carmel Tel 1 317 844 4100 lowa Cedar Rapids 4 WORLDWIDE SALES OFFICES Tel 1 319 390 4250 Kansas Wichita Tel 1 316 684 8491 Kentucky Louisville Tel 1 502 426 0100 Louisiana Kenner Tel 1 504 467 4100 Maryland Rockville Tel 1 301 948 6370 Massachusetts Andover Tel 1 617 682 1500 Michigan Novi Tel 1 313 349 9200 Minnesota St Paul Tel 1 612 644 1100 Missouri Kansas City Tel 1 816 941 0411 Nebraska Omaha Tel 1 4
8. Backup 3 1 F 1 Bulk erasure oneness ven venvevenenvervenendenen nen F 1 Busy lamp eeen eeen 2 4 3 5 Cable restrictions eneen eenen 2 6 C 1 Capstan eeen 4 5 Cartridge 0 1 1 3 2 3 6 E 1 F 1 Cartridge care 3 3 D 2 D 3 Cartridge guidelines ee 3 3 D 3 Cartridge sot 2 4 Cartridge loading eneen eeen veneen eneen 3 4 Cartridge locked in drive eeen 5 2 Cartridge in switch eee eee een 4 4 Cartridge unloading neee een 3 5 Case cleaning rr 4 7 Certified Data Cartridge sccccccct eee 3 2 Changing the device address 2 7 2 8 Changing the fuse eeen eenen eenen 4 8 Cleaning cartridge eee 4 6 E 2 Cleaning fluid eeen 2 2 4 4 Cleaning supplies E 1 Cleaning swab ssi ene ve ta EEEE EEEE EEEE 2 2 Cleaning the Case nnee veen e ee te ese ee eneen 4 1 4 7 Cleaning the Tape Head 4 3 4 5 Conditions to be avoided no naccnnioos 3 3 D 3 Connecting to the power supply ee 2 14 INDEX 1 1 Connecting to the host computer 2 9 2 12 D Connecting to the host computer ene 2 9 2 12 Degaussing F 2 Destroying data oo ccc ccc cece cence eee veer verd eenven eneen eneen 5 3 Device Address Switches eeen 2 7 2 8 DR Display Self Test Results Button 2 5 4 2 4 3 E Eject button 2 4 3 5 Erasu
9. To avoid electrical shock unplug the power cord before replacing the fuse For either voltage setting the correct fuse is a 3A Normal Fast Blow 250 Volt rating A Turn the drive OFF UNPLUG THE POWER CORD C The fuse holder is on the rear panel between the voltage select switch and the power cord socket see Fig 2 3 Using a small screwdriver press in the central part of the fuse holder and twist it counter clockwise Remove the screwdriver and the fuse holder will spring outwards Remove it with vour fingers Take the old fuse out of the fuse holder and discard it F Insert a new fuse 3A Normal Fast Blow 250V into the holder G Re fit the holder in its hole Using the screwdriver press the holder and twist it clockwise so that it catches securely Plug the power cord back in Suitable fuses may be obtained from HP Sales Offices by ordering part number HP 2110 0003 Problems and Solutions What if the Fat lts lamp remains illuminated This means that the tape drive has failed the self test Take the following action A Turn off the tape drive then turn it on again This repeats the self test The SFaultz lamp will light again JV NCA if the self test detects an internal error Repeat step A two or three times NADA Ee C If the tape drive still fails the self test the Fault lamp Eege dh e Mm lights each time you turn on the drive contact vour d
10. HP representative What if I get an error message saying TAPE OR DISC ERROR READING DRIVE __ 2 Your tape cartridge is probably worn or damaged Try using other tapes to see if you get the same message If you receive the message on only one tape cartridge copy the tape immediately and discard the old one Please note that if the tape is worn or damaged the copy might not work If you get the same message with several tapes contact your HP representative What if the computer displays a message saying NO TAPES OR DISCS WERE FOUND OF NO MASS STORAGE FOUND OF TAPE OR DISC DRIVE IS EMPTY OF TAPE OR DISC DRIVE IS OFF OF TAPE OR DISC DRIVE IS UNDEFINED A Check that the tape drive is turned ON B Ensure that the gt Fault lamp is OFF C Switch OFF the tape drive check that all the connections are secure and then switch the drive ON again D Ensure that there is a tape cartridge in the drive E Ensure that the tape cartridge has been initialized F Check that the left hand LED display on the rear panel shows El indicating a self test pass G Ensure that the tape drive is set to the correct HP IB address The HP IB address is shown on the right hand LED display on the rear panel H If all these things are correct the cartridge itself might be faulty Try using another tape cartridge How can I destroy or remove data from a cartridge Use the Initialize or Format command from your computer T
11. a different position 2 12 SETTING UP Adjusting the Voltage Select Switch l Caution M The Voltage Select Switch item 6 fig 2 3 is on the rear panel of the tape drive and can be set to 115V or 230V The switch i usually preset to 115V for the U S A and 230V for Europe The 115V setting covers a voltage range of 90 to 125V The 230V setting covers 180 to 250V To avoid damage you MUST check the voltage before connecting power to the drive Figure 2 9 Voltage Select Switch A Check the position of the Voltage Select Switch B If it is incorrect for the local power supply slide the switch to the right or left so that it indicates the correct voltage The Fuse holder item 5 fig 2 3 is beside the voltage select switch on the rear panel The fuse is the same for either voltage range If you do need to replace it later chapter 4 tells you how SETTING UP 2 13 Connecting to the Power Supply HP IB Cables HP 3000 Series 37 Computer example AC LINE Cord HP 9144A Tape Drive RON Figure 2 10 Connections to Power and Host Computer Caution Y To avoid damage to the tape drive always ensure that the power AC LINE switch is OFF before connecting to the power supply gt Ensure that the tape drive is switched off by checking that the AC Line switch on the front panel is OUT D Plug the power cord securely into the socket labeled AC LINE on the rear panel of the drive
12. in this appendix are recommended so that your HP 9144A should continue to perform reliably and you can be confident of a high standard of data integrity EEE TTT a Cartridge Specifications The ANSI X3 55 1982 specification applies to the cartridge tapes used in an HP 9144A In part this states Temperature 41 to 113 5 C to 45 C Relative Humidity 20 to 80 non condensing Maximum Wet Bulb Temperature 79 F 26 C The cartridge shall be conditioned by exposure to the operating environment for a time equal to or greater than the time away from the operating environment up to a maximum of 3 hours If a user of a data cartridge knows or suspects that the cartridge has been exposed to a drop in temperature exceeding 30 16 7 C since last used it is recommended that the cartridge be rewound one complete cycle on the tape transport before it is used Por data interchange This specifies the normal operating limits for cartridges but does not clarify restrictions relating to changing conditions within those limits Hewlett Packard has tested cartridges in order to determine conditions for reliable data recovery after temperature changes Stable conditions will obviously help to ensure data integrity but where they are not possible the following precautions are recommended CARTRIDGE GUIDELINES D 1 Cartridge Guidelines D 2 CARTRIDGE GUIDELINES The following conditions refer to changes in the roo
13. necessary consult the dealer or an experienced radio television technician for additional suggestions Manufacturer s Declaration West Germany only Hersteller bescheinigung This is to certify that this product HP 9144A inch Tape Drive meets the radio frequency interference requirements of directive 1046 84 The German Bundespost has been notified that this equipment has been put into circulation and has been granted the right to check the product type for compliance with these requirements Hiermit wird bescheinigt da das Ger t System HP 9144A Magnetbandeinheit f r 4 Zoll Kassetten in bereinstimmung mit den Bestimmungen von Postverf gung 1046 84 funkentst rt ist Der Deutschen Bundespost wurde das Inverkehrbringen dieses Ger tes Systems angezeigt und die Berechtigung zur berpr fung der Serie auf Einhaltung der Bestimmungen einger umt 1 ae 1 0 0 MTW 2 902 00 4 A Ir Table of Contents Chapter 1 1 1 1 2 The HP 9144A This Manual and You The HP 9144A This Manual and You e 202200020 Chapter 2 2 2 2 7 2 9 2 13 2 14 Setting Up Unpacking and Inspection Positioning the Drive Changing the Device Address Connecting to the Host Computer Adjusting the Voltage Select Switch Connecting to the Power Supply E CC gt gt gt gt gt OE EEE OE OE OC OS Chapter 3 3 2 3 2 3 4 3 4 Using the HP 9
14. shortest possible cable run between the host computer and the tape drive Appendix C gives further details about cabling restrictions E ooo oo o TT Changing When the host computer needs to communicate with a the Device peripheral device it is essential that it can find the correct one therefore each device must be allotted a unique number called Address the device address a The HP 9144A is preset to device address 3 on delivery a You only need to change the preset address if you already have a device with address 3 connected to your computer a If you need to change the address A B Turn off the drive by the switch on the front panel Choose an address which is not already being used by a device on the system Using the tip of a ball point pen or similar object alter the Device Address Switches fig 2 4 on the rear panel to match the pattern shown in table 2 5 for the address you have chosen When the drive is next turned on look at the right hand LED display item 1 fig 2 3 on the rear panel It should show the number you have chosen Note The device address is only read by the electronics of the tape drive when the drive is first switched on So if you change the device address switches without switching the drive off and on the electronics will take no notice of the change until next time the drive is switched on or the Initiate Self Test button item 7 fig 2 3 is pressed SETTING UP 2 7
15. unpack set up use and maintain your HP 9144A tape drive Chapter 1 introduces the tape drive and the quarter inch cartridges it uses for data storage Chapter 2 explains the procedure for unpacking the tape drive connecting it up to the power supply and your computer system Chapter 3 is about using the HP 9144A Chapter 4 covers maintenance of the tape drive Chapter 5 is a problem solving section Appendix A gives details of the product specification Appendix B shows supported systems Appendix C details HP IB restrictions Appendix D has detailed guidelines on the care of tape cartridges Appendix E lists supplies and accessories for the HP 9144A Appendix F is a glossary of technical terms used in this manual An index and a list of worldwide sales offices appears at the end of the manual This user manual is written assuming that you have an appropriate computer system to connect to your HP 9144 A A table showing the HP computer systems which will support an HP 9144A can be found in appendix B Detailed commands for using the computer system with a backup device are covered in your system manual If you are familiar with setting up HP peripherals you will only need to read chapters 3 and 4 1 2 THE HP 9144A THIS MANUAL AND YOU Caution u Setting Up You may damage the drive if you attempt to turn on the power before all the following checks and steps have been completed When you receive your HP 91
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17. 144A Switching On Cartridges and their care Looking after the cartridges Loading and Unloading the Cartridge Inserting the Cartridge 3 5 Initializing 3 5 Removing the Cartridge 3 6 Write Protecting Cartridges 3 8 Use with a System 3 8 Use with an HP 150 PC a VE Chapter 4 Maintenance 4 1 Maintenance 4 2 Self test Overview 4 3 Cleaning the Tape Head 4 3 How Often 4 4 How do I clean the tape head 4 6 Using the Cleaning Cartridge 4 7 Cleaning the Case 4 8 Replacing the Fuse NN Chapter 5 Problems and Solutions 5 3 Warranty and Service 5 3 Warranty 5 3 Service eee Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Product Specification System Support HP IB Restrictions Cartridge Guidelines Supplies and Accessories Glossary Index NER TT Worldwide Sales Offices Ar b dn L The HP 9144A 1 This Manual and You The HP 9144A The HP 9144A is a data storage device using quarter inch tape cartridges Each 600 ft cartridge can store up to 67 1 Mbytes megabytes of data 150 ft cartridges are also available for storing up to 16 7 Mbytes of data THE HP 9144A THIS MANUAL AND YOU 1 1 This Manual and You This Manual explains how to
18. 2 8 SETTING UP Figure 2 4 The Device Address Switches The view of the rear panel shows the Device Address Switches as they are preset in the factory to Down Down Up Up giving address 3 Ignore the figures on the switches themselves look only at the figures printed on the rear panel to understand the value of each switch You may find the following table easier to follow Position of 4 small switches Middle Middle Left Left Right Down Down Address NO A PO ND Table 2 5 Device Address Switch Positions Connecting to the Host Computer Caution u The drive must be connected to the computer using an HP IB cable Do not use a cable longer than 2 meters Further information about HP IB restrictions can be found in appendix C To avoid damage to the computer or your tape drive turn the drive OFF before connecting them together If possible turn the computer off as well A If possible turn off the host computer B Ensure that the tape drive is switched OFF by checking that the AC LINE switch item 1 fig 2 2 on the front panel is OUT C Connect one end of the HP IB cable to the socket item 2 fig 2 3 on the rear panel of the tape drive The plug can only be fitted one way round see fig 2 5 Figure 2 5 Fitting the HP IB Cable D Screw in the two retaining knobs on the plug with your fingers to secure the plug Do NOT use a screwdriver to tighten them the screwdriver sl
19. 44A you should nmo OU D gt G Unpack the equipment Check it for damage Position the tape drive Alter the device address if necessary Connect the tape drive to the host computer Check that the voltage is set correctly for your local power supply Connect the tape drive to the power supply It is important that you carry out these steps in this sequence to avoid damaging the drive The following sections take you through these steps in detail SETTING UP 2 1 Unpacking and Inspection Cleaning swabs AC LINE Cord 6 Packing box 7 Packing foam Head Cleaning Fluid 8 Tape Drive 9 1 Packing foam Polythene bag Tape cartridge 0 Accessories packet ARN sch Figure 2 1 The Tape Drive its Accessories and Packaging 2 2 SETTING UP A Inspect the carton for water stains or other signs of damage during transit If there is damage insist on a representative of the carrier being present when you unpack the drive B Cut the self adhesive tape which holds the top flaps of the box together and open the box The following equipment is supplied with the HP 9144A a One 67 1 Mbyte cartridge a This Manual a Material Safety Data Sheet a Two Spare Fuses a Cleaning Swabs a Magnetic Head Cleaning Fluid In addition for the option 150 a Read this First sheet a Tape Backup Utility Carefully lift out the tape drive complete with its foam packing C Remove the foam packi
20. 92 36 91 Ivory Coast S T 1 Abidjan Tel 225 321227 Japan Yokogawa Hewlett Packard Osaka Tel 81 6 304 6021 Tokyo Tel 81 3 331 6111 Jordan Scientific amp Medical Supplies Co Amman Tel 962 6 24907 Korea Samsung Hewlett Packard Seoul Tel 82 2 784 2666 Lebanon Computer Information Systems Beirut Tel 961 89 40 73 Luxembourg see Belgium Malaysia Kuala Lumpur Tel 60 3 986 555 Mexico Xochimilco Mexico City Tel 52 6 76 4600 Morocco Sema Maroc Casablanca Tel 212 260980 The Netherlands Amstelveen Tel 31 20 547 69 11 New Zealand Aukland Tel 64 9 687 159 Wellington Tel 64 4 877 199 Norway Qsteras Tel 47 2 17 11 80 Oman Sultanate of Imtac LLC Mutrah Tel 968 601695 Peru SAMS Lima Tel 511 4 419928 Phillipines Online Advanced Systems Manila Tel 63 2 815 38 11 Portugal CPCSI Oporto Tel 351 2 499174 Puerto Rico Hato Rey Tel 809 754 7800 Saudi Arabia Modern Electronics Riyadh Tel 966 1 476 3030 Senegal SSC Dakar Etoile Tel 221 219976 Singapore Singapore Tel 65 4731788 South Africa Sandton Transvaal Tel 27 11 802 5111 Spain Laz Rozas Madrid Tel 34 1 637 0011 Sweden Sp nga Tel 46 8 750 2000 Sudan Mediterranean Engineering amp Trading Co Khartoum Tel 41184 Switzerland Widen Tel 41 57 31 21 11 Taiwan Taipei Tel 886
21. Ontario L4V IM5 Tel 1 416 671 8383 Denmark Hewlett Packard A S Datevej 52 DK 3460 BIRKER D Tel 45 2 81 66 40 ext 258 Finland Hewlett Packard Oy Revontulentie 7 SF 02100 ESPOO 10 Tel 358 0 4550211 France Hewlett Packard D partement Fournitures Consommables B P 19 91941 LES ULIS CEDEX Tel 33 6 928 32 64 German Federal Republic Hewlett Packard GmbH Computer Zubehoer Dornierstr 7 7030 B BLINGEN Tel 49 130 3322 Italy Hewlett Packard Italiana S p A Prodotti Ausiliari Via G di Vittorio 9 1 20063 CERNUSCO SUL NAVIGLIO MI Tel 39 2 92 369 437 39 2 92 369 478 The Netherlands Hewlett Packard Nederland B V Van Heuven Goedhartlaan 121 NL 1181 KK AMSTELVEEN Tel 31 20 47 06 39 Norway Hewlett Packard Norge A S P O Box 34 sterndalen 18 N 1345 STER S Tel 47 2 17 11 80 South Africa Hewlett Packard So Africa Ltd Private Bag Wendywood SANDTON 2144 Tel 27 11 802 5111 Spain Hewlett Packard Espa ola SA Calle Jerez 3 E MADRID 16 Tel 34 1 637 4013 Sweden Hewlett Packard Sverige AB Skalholtsgatan 9 Kista Box 19 S 16393 SP NGA Tel 46 8 750 2028 Switzerland Hewlett Packard Schweiz AG Allmend 2 CH 8967 WIDEN Tel 41 57 31 22 54 41 57 31 22 59 United Kingdom Hewlett Packard Ltd Eskdale Rd Winnersh WOKINGHAM Berkshire RG11 5DZ Tel 44 734 697201 U S A Computer Supplies Operations 1320 Ki
22. art no 88140SC box of 5 One type L 67 1 Mbyte cartridge is supplied with the tape drive When you receive cartridges they are in hard plastic cases wrapped in cellophane You should always store cartridges in their plastic cases when they are not in use The two types of cartridge listed above are formatted and certified at the factory before you buy them The cartridges used in the HP 9142A tape drive are NOT compatible Looking after the cartridges In addition to the following guidelines please see appendix D for guidelines about conditions where the temperature varies a Do not touch the tape or attempt to clean the tape path or tape guides inside the cartridge u Do not leave cartridge tapes in excessively warm dry or humid conditions a Do not leave tapes in direct sunlight or in places where magnetic fields are present e g under telephones near transformers motors etc a Do not use cartridges at temperatures less than 5 C 41 F or greater than 40 C 104 F a Do not store cartridges at temperatures less than 40 C 40 F or greater than 45 C 113 F a Do not drop cartridges or handle them roughly a Do not stick extra labels onto cartridges they could cause the cartridges to jam in the tape drive a Always store cartridges in their plastic cases when not in use a Always keep the cartridges in a clean environment a If the storage temperature of the cartridge is different from t
23. auses the tape head to rise The cartridge in switch is the lower of the two micro switches at the back of the cartridge slot towards the left side see fig 4 1 AA N LINA AN Se Figure 4 1 Depressing the cartridge in switch Note li Take care not to press the switch in for too long After about four seconds the load sequence starts If this happens turn the tape drive off to stop the load sequence then turn it back on and start again C Pour a small amount of cleaning fluid into a clean container such as a small UNWAXED paper cup Dip a cleaning swab into the fluid 4 4 MAINTENANCE Caution u HP ONLY supports the use of LIQUID FREON TF as a tape path cleaning solvent DO NOT USE ANY OTHER SOLVENT Freon TF dissolves wax If a waxed cup is used the wax will be transferred to the tape path D Applying gentle pressure clean the following surfaces a The Tape Head clean from side to side NOT up and down Figure 4 2 Cleaning the Tape Head a The Capstan the black rubber drive wheel Figure 4 3 Cleaning the Capstan Trademark of Dupont Corporation MAINTENANCE 4 5 4 6 Using the Cleaning Cartridge MAINTENANGE E Throw away the swab after use F Load a cartridge in the normal way the load sequence will automatically re set the position of the tape head G Press the button to start the unload sequence NA H When the Busy lamp goes out press EJECT to remove
24. ealer or HP representative see also the section in chapter 4 on self test What if the power fails with a cartridge in the tape drive If the power fails the tape cartridge is locked into the drive until power is restored and you press the the button Take the following action UO u gt Turn the tape drive off Wait for power to be restored Turn the tape drive on When the 2 3 Busy lamp goes out press the A Ta Ss button aisre When the 3 Busy lamp goes out again press the be d Ak button and remove the cartridge PROBLEMS AND SOLUTIONS 5 1 5 2 PROBLEMS AND SOLUTIONS What if the tape cartridge will not come out of the drive When the tape head is raised for cleaning or reading the tape the button is locked If a cartridge is inserted into the drive with the tape head raised it becomes locked in the drive The only way to lower the tape head is to go through an unload sequence If you have just cleaned the tape head turn the power on and insert a tape cartridge to begin the load sequence Press the button to start the unload sequence When the Busy lamp stays off you can remove the tape cartridge by PIANOS pressing the EJECT button What do 1 do if the SFaultz lamp lights when I put in a cartridge and the button is unlocked This indicates a dirty tape head or a bad tape cartridge Clean the head and try a new cartridge If the problem continues call your
25. en 5 3 Self Test LED display eenen 2 5 4 2 Self Test Overview eneen eeen verven eeen 4 2 Service 0 un 4 1 5 3 Setting up 2 1 2 14 Star configuration 0 0 sonen en enen en enerverende 2 10 2 12 Supplies and Accessories voeren E 1 E 2 Switching On 3 2 NAT 8 1 Tape Head 4 3 4 5 F 3 Temperature 2 6 3 3 D 1 D 3 Unload button eeen eenen verevenen evene 2 4 Unloading cartridge nennen eenen eenen 3 5 Unpacking 0 2 2 2 3 User serviceable parts eneen eeen 4 1 Ventilation 2 6 Voltage Select Switch 2 5 2 13 Warranty ren 0 5 3 Write protecting cartridges eee re 3 3 3 6 3 7 F 3 INDEX 1 3 Worldwide Sales Offices Hewlett Packard products are sold and supported worldwide through more than 240 Hewlett Packard Sales and Service Offices To locate the one nearest you consult your telephone directory or contact one of the major Hewlett Packard offices listed below The telephone numbers tn the following list are given in a standard format cce rrr nnnnnnnn ccc is the country code and should only be used when calling from outside the country is the regional code If you are in the country you may need to prefix the regional code with zero nnnnnnnn is the actual telephone number Argentina Buenos Aires Tel 54 783 4886 Australia North Ryde N S W Tel 61 2 888 4444 Blackburn Victorla Te
26. en Il Yes Order Opt 150 SYSTEM SUPPORT B 1 B 2 SYSTEM SUPPORT HP IB Restrictions The exchange of data between a host computer and the HP 9144A sata high transfer rate a burst rate greater than 500 kbytes second Because of this high rate the following restrictions and cautions apply to devices connected to the HP IB a ALL AC line switches both on the computer and on peripherals should be turned OFF when connecting and disconnecting devices a ALL devices on the system must be turned ON for any transfer of data at a high transfer rate If the transfer is at a lower rate e g to a floppy disc drive or to a printer at least two thirds of the devices on the HP IB should be turned ON a The HP IB cables which connect devices should be as short as possible For this reason HP IB cables of 4m and longer are NOT recommended a Do not turn any device ON or OFF while there is activity on the HP IB All HP IB cables which are sold by HP are completely shielded in order to prevent Radio Frequency Interference RFI If you use unshielded cables RFI will be greater in the area near them See the Federal Communications Commission statement at the front of this manual HP IB RESTRICTIONS C 1 C 2 HP IB RESTRICTIONS Cartridge Guidelines One of the advantages of cartridge tapes is that they are portable Because of this they may be exposed to rapid changes in environmental conditions The guidelines
27. erface Bus A cable with standard connectors for transfer of data between the computer and peripherals It is HP s implementation of IEEE Standard 488 1978 The process which sets up a directory on the tape and names the tape You must initialize a tape by sending commands to the tape drive from the host computer The method of joining computer equipment and peripherals together to allow them to communicate with each other In the case of the HP 9144A the interface is the HP IB cable Light Emitting Diode This is a type of indicator lamp The HP 9144A uses displays made up of seven LEDs forming a figure H with an eighth LED providing the decimal point after the figure eight arrangement The individual LEDs can be illuminated in different combinations to displav any digit or one of several letters Short for Megabyte a unit of data approximately equal to one million bytes in fact 1 048 576 bytes Peripherals Devices controlled by a computer usually through cables but not physically part of that computer e g printers plotters disc and tape drives Tape Head The part of the tape drive which magnetically encodes or decodes data on the tape Often called the Read Write Head Write Protect A method of preventing information being erased from or added to a tape GLOSSARY F 3 F 4 GLOSSARY Index AC LINE Cord 2 2 2 14 AC LINE Switch 2 4 Address rn 2 7 2 8 F 1 Adjusting the Voltage Select Switch 2 13
28. fer Road SUNNYVALE CA 94086 Tel 1 800 538 8787 1 406 738 8858 SUPPLIES amp ACCESSORIES E 3 Address Backup Bulk erasure Cartridge Degauss Directory Glossary An identification number unique to each peripheral on a computer system The device address is used to ensure that the computer knows with which device it is communicating A copy of data or files made to guard against damage to the original Tape is often used to back up discs A method of destroying the magnetic patterns which contain the coded information on tape Do not bulk erase the tape cartridges for your HP 9144A because there is important formatting information on them which bulk erasure would destroy making the cartridges useless A housing containing magnetic tape wound between two spools and which incorporates a write protect switch A method of bulk erasing magnetic tapes An index to the contents of a tape stored in a special block on the tape GLOSSARY F 1 F 2 Formatting Host Computer HP IB Initializing Interface GLOSSARY LED Mbyte A process where tape is magnetically divided into blocks in which data can be stored Special blocks are set up for the Directory for testing purposes and for recording information about the tape s history of usage Formatting is done before you receive the tape and can only be done by the factory The computer which controls the HP 9144A The Hewlett Packard Int
29. fig 2 2 is illuminated Towards the end of the sequence the tape drive can produce a clattering sound which lasts for 2 or 3 seconds this is quite normal and indicates that the tape drive has unlocked the cartridge After the 3 Busy lamp goes out py NCA B Press the button item 4 fig 2 2 and remove the cartridge C Store the cartridge in its plastic case after use USING THE HP 9144A 3 5 Write Protecting a If you want to protect the data on a cartridge from being Cartridges altered or overwritten you can write protect the cartridge 1 Write protect Switch 4 Drive Wheel 2 Unprotected Position 5 Tape Head Door 3 Protected Position 6 Tape Cartridge Figure 3 2 Write protecting a Cartridge L USING THE HP 9144A Caution To write protect a cartridge rotate the write protect switch with a screwdriver or coin until the arrow points towards the word SAFE The switch clicks into place when it is in the correct position NOAA d oe If a cartridge is write protected the ZProtect2 lamp item 3 rrr fig 2 2 will light when the cartridge is inserted into the drive When changing the position of the write protect switch make sure that the switch clicks into position with the arrow pointing directly towards or away from the word SAFE If the switch is left in any other position it can damage the tape drive Write protection will not prevent a cartridge being erased by bulk erasure or degaussing
30. he operating temperature refer to appendix D for guidelines on how long you need to stablize the cartridge before use a To prevent overwriting data stored on the cartridge use the write protect switch on the cartridge See Write Protecting Cartridges later in this chapter USING THE HP 9144A 3 3 Loading and Unloading the Cartridge Figure 3 1 Inserting the cartridge Inserting the Cartridge Insert a cartridge into the cartridge slot with the label saying CERTIFIED DATA CARTRIDGE facing upwards When a cartridge is inserted the load sequence begins The load sequence takes 1 minute 15 seconds for a 16 7 Mbyte cartridge or 2 minutes 25 seconds for a 67 1 Mbyte cartridge 3 4 USING THE HP 9144A Caution u Initializing Initializing sets up a volume label and file directory on the tape You MUST initialize a cartridge before you use it for the first time To do this consult the instructions for the particular computer and operating system you are using Once data has been stored on a tape initializing the tape a second time will destroy the data Removing the Cartridge A Press the button item 5 fig 2 2 This starts a sequence which unlocks the cartridge to allow you to remove it The unload sequence takes about two and a half minutes for a 67 1 Mbyte cartridge or about one and a half minutes for a 16 7 Mbyte cartridge mA EN During the unload sequence the 2 lamp item 3
31. his will destroy all the data on the cartridge but leave the formatting blocks Do NOT erase bulk erase degauss your cartridge tapes or otherwise destroy the formatting blocks which would leave the cartridge useless Warranty and Service Warranty The complete warranty statement is included in the front of this manual If you have questions concerning the warranty please contact your dealer or HP Sales Office There is a list of these offices in appendix E Service There are no user serviceable parts in your HP 9144A Tape Drive The only service item a user can do is to clean the tape head If at any time you suspect that your tape drive is malfunctioning consult the problem solving section of this chapter If a malfunction is confirmed or still suspected call your HP Sales Office or Dealer PROBLEMS AND SOLUTIONS 5 3 5 4 PROBLEMS AND SOLUTIONS A Product Specification Physical Net weight Height Depth Width Interface Type Format and Density Encoding Technique Speed Bit Density Maximum Sustained Transfer rate Capacity Bytes Frame Frames Block Tracks Tape User Blocks Track 88140SC 88140LC Power requirements 6 8 kg 15 lbs 125 mm 4 9 in 285 mm 11 2 in 325 mm 12 8 in HP IB IEEE 488 1978 using CS 80 protocol MFM 60 inches sec reading and writing 90 inches sec searching 10 000 bits inch bpi 34 Kbytes second 256 6 4 blocks for user data 2 blocks f
32. l 61 3 895 2895 Austria Vienna Tel 43 222 2500 O Belgium Brussels Tel 32 2 762 32 00 Brazil Alphaville Barueri Tel 55 11 421 1311 Cameroon Douala Tel 237 42 0153 Canada Edmonton Alberta Tel 1 403 486 6666 Richmond British Columbia Tel 1 604 270 2277 Mississauga Ontario Tel 1 416 678 9430 Chile Olympia Chile Santiago Tel 56 2 25 5044 China People s Republic of Beijing Tel 28 0567 Colombia Carvajal S A Cali Tel 57 3 68111 Denmark Birkerod Tel 45 2 81 66 40 Egypt Sakro Enterprises Cairo Tel 20 2 706440 El Salvador IPESA San Salvador Tel 503 26 6858 Ethiopia Seric Ethiopia Addis Ababa Tel 251 1 185114 Finland Espoo Tel 358 0 88721 WORLDWIDE SALES OFFICES 1 France West Les Ulis Tel 33 6 907 78 25 North Lille Tel 33 20 47 78 78 South West Aix en Provence Tel 33 42 59 41 02 Greece Athens Tel 30 1 647 1673 Guatemala IPESA Guatemala City Tel 502 2 316 627 Hong Kong Hong Kong Tel 852 5 8323211 Iceland Reykjavik Tel 354 1 671000 India Blue Star Ltd Bombay Tel 91 22 422 6155 Indonesia Berca Indonesia P T Jakarta Tel 62 21 340417 2 WORLDWIDE SALES OFFICES Iraq Baghdad Tel 964 1 551 49 73 Ireland Dublin Tel 353 1 608 800 Israel CMS Ltd Tel Aviv Tel 972 3 388 388 Italy Cernusco Sul Naviglio Tel 39 2
33. m temperature or the temperature surrounding the tape drive It is assumed that a the cartridges have been stabilized to the temperature of the room before the change that is they have been in the room long enough to reach room temperature the cartridge is in the drive a the drive is turned on m the temperature never leaves the specified operating range for the HP 9144A drive 5 C to 40 C 40 F to 104 F In each case the ANSI specification requires up to 8 hours stabilization time after the temperature has changed and before the cartridges should be used HP s factory tests have explored the stabilization times necessary to ensure excellent performance and these times are given for each condition Controlled Temperature Environment The temperature varies within 5 C HP s factory tests show that no stabilization is necessary Moderately Varying Temperature Environment The temperature variation is between 5 C and 16 6 C HP s factory tests show that 35 minutes stabilization is sufficient Extremely Varying Temperature Environment The temperature varies more than 16 6 C while remaining within the specified range of 5 C to 40 C HP tests recommend stabilizing for one hour followed by re tensioning the cartridge Re tensioning is achieved by doing a normal load sequence on the cartridge Conditions To Be Avoided a Do not place the tape drive in or near the flow of air from a heate
34. ng and the plastic bag covering the drive D Check that no equipment is missing E Inspect the equipment for any physical damage which may have occurred during shipment If any equipment is missing or damaged inform your Hewlett Packard Sales Office and file a claim with the carrier F Save the shipping carton and packing for future use SETTING UP 2 3 2 4 SETTING UP oR sch AC LINE Switch Cartridge Slot a7 Busy sProtect sFault Lamps Button Button Nx A e Figure 2 2 The Front Panel 0 Y Self test LED displays HP IB Connector HP IB Address Switches Power Cord Socket Fuse Voltage Select Switch Initiate Self test Button Display Results Button Figure 2 3 The Rear Panel SETTING UP 2 5 TEEN TT Positioning the Drive 2 6 SETTING UP Position the tape drive so that it has adequate ventilation Make sure that the ventilation slots at the front of the drive and the grille at the rear are not obstructed Sudden changes in temperature could affect the integrity of data while reading from or writing to cartridge tapes Therefore it is advisable to place the tape drive in a position where the temperature is reasonably stable for example away from open windows fan heaters or doors Appendix D gives details of recommendations from HP s factory tests concerning temperature and environment Try to achieve the
35. ning Supplies Tape Head Cleaner 6 x 4 2 0 0 0 92193X Foam Swabs 10 per packet wooden 0 DAD Foam Swabs 10 per packet plastic 0 0 7 67 Lint Free AP 92193W Magnetic Head Cleaning
36. nt lt 0 3 11111 0 HP 19500B Publications Hardware Support Manualssssasssansensnnsanansenrsnnennseansanssorenenenssennennn 09144 90030 Customer Engineer Handbo0kasasanansnununnunnnunnene TE 09144 90039 SUPPLIES amp ACCESSORIES Ordering The following list gives addresses and telephone numbers of the main computer supplies centers Further telephone numbers will be found in the list of worldwide Sales Offices at the end of this manual The telephone numbers in the Following list are given in the standard format eee rrr nnnnnnnn eee is the country code and should be used when calling from outside the country rrer is the regional code IT you are in the country you may need to prefix the regional code with zero nnnnnnnn is the actual telephone number Australia Hewlett Packard Australia Ltd 31 41 Joseph St BLACKBURN Victoria 3130 Tel 61 3 895 2895 Austria Hewlett Packard Ges m b H Lieblgasse 1 P O Box 72 A 1222 VIENNA Tel 43 222 2500 615 43 222 2500 616 Belgium Hewlett Packard Belgium S A N V Boulevard de la Woluwe 100 Woluwedal B 1200 BRUXELLES Tel 32 2 762 32 00 Canada Hewlett Packard Canada Ltd 3710 Nashua Dr Units A E MISSISSAUGA
37. on the most likely problem is a faulty tape cartridge so try another tape cartridge to see if the zFault lamp lights again OF VAN E If your HP 9144A fails the self test it is possible to find out what has gone wrong by using the DR Display Self Test Results push button item 8 fig 2 3 on the rear panel For example If the LED display shows Failed with HP IB address 3 2 MAINTENANCE Press the DR button with the tip of a ball point pen or similar object The LED display will then indicate which part of the tape drive has failed the self test If after pressing the DR button is displayed this means tha the tape head is probably dirty Clean the head and try the self test again with a new tape cartridge If pressing the DR button gives any other display contact your HP service representative who will interpret the results and tak the appropriate action UNESCO Cleaning the Tape Head How Often The tape head needs to be kept clean and should be cleaned a At least once a week a After using a new cartridge for the first time a After every three backup operations using the 67 Mbyte 600 ft data cartridges a After every ten backup operations using the 16 Mbyte 150 ft data cartridges a Most importantly if data errors are experienced MAINTENANCE 4 3 How do I clean the tape head A Switch the tape drive on B Depress the cartridge in switch with a cleaning swab which c
38. or error correction 16 1024 Maximum 4096 Maximum 90 132 volts or 180 264 volts at 125 watts RMS 102 voltamps 47 66 Hertz Fuse 3A Normal Fast Blow 250 Volt Rating PRODUCT SPECIFICATION A 1 Environmental Specifications Temperature Humidity Altitude Noise Level Storage and transit of Drive Temperature Storage and transit of Tape Temperature Altitude Operating Limits 5 C to 40 C 40 F to 104 F 20 to 80 with maximum wet bulb temperature non condensing not to exceed 26 C 79 F 0 to 4572m 0 to 15 000 ft Less than 60 dbA Sound Power Non operating limits 40 C to 75 C 40 F to 167 F 40 C to 45 C 40 F to 113 F 304 to 15240m 1000 to 50 000 ft Electromagnetic Emissions USA Europe A 2 PRODUCT SPECIFICATION Radiated and Conducted Interference meets FCC Rules Part 15 Class A computing devices requirements meets FTZ 1046 84 computing devices B System Support The HP 9144A Tape Drive is supported on the following host systems HP 9000 Series 200 amp 300 98624A internal or 98625A Represents 1 HP IB load All Series 500 UX ron HP IB asic Must order HP 1000 RTE 6 VM cable Does not M E F Series A 85 Yes 12821A separately support system Optional cable Bootup length available All A Series RTE A 4 85 12009A HP 3000 MPE V Yes 30079A All HP 150B C Touchscreen amp Touchscre
39. ots are only there as an aid to removal see fig 2 6 SETTING UP 2 9 2 10 SETTING UP Figure 2 6 Tightening the Retaining Knobs E Connect the other end of the cable to the HP IB socket on the computer Again screw the two knobs which hold the plug in place finger tight If you already have an HP IB cable attached to the computer take the following actions 1 Remove the HP IB cable from the computer 2 Connect the HP IB cable leading to your HP 9144A to the socket on the computer Re connect the HP IB cable vou removed in step to the back of the connector on the HP 9144A i e onto the back of the cable from the computer which you attached to your HP 9144A in step C The plugs are designed to stack on top of each other as shown in fig 2 7 If you need to connect a number of peripherals to your computer we recommend that you connect them one to another in a linear configuration like a chain with the computer at the start of the chain Do not connect peripherals to the computer in a star configuration with a number of HP IB cables all radiating from the computer Fig 2 8 shows the difference between Linear recommended and Star not recommended configurations Figure 2 7 Stacking the Connectors SETTING UP 2 11 1 Host Computer Figure 2 8 Connections to the Host Computer Fig 2 8 shows how the cables might look with an HP 3000 Series 37 computer With another computer the sockets may be in
40. r or air conditioner The cycling of the heater or air conditioner can cause data recovery problems Do not place the tape drive near a door which is often used and which separates different temperature conditions If the drive is placed near an outside door for example the blast of hot or cold air when the door is opened can affect data recovery a Do not leave cartridges in severe temperature conditions for any length of time for example in a car standing in the cold overnight or in sunlight during the day If it is unavoidable then before you use the cartridge for clata recovery stabilize it for one hour and then re tension it by performing a normal load sequence a Avoid transferring data reading from and writing to cartridges when the temperature is changing by more than 3 C per hour CARTRIDGE GUIDELINES D 3 D 4 CARTRIDGE GUIDELINES E Supplies amp Accessories Supplies It is advisable to keep a supply of cartridges and cleaning materials in stock at all times The following HP products are recommended for use with the HP 9144A They are listed with their part numbers Cartridges 16 7 Mbyte 150 ft Cartridge formatted and certified Box of 5 aaunananonnanununnauoneanensanunna HP 88140SC 67 1 Mbyte 600 ft Cartridge formatted and certified Box of 7 88140LC Clea
41. re of data 5 3 Error Messages 21 8 9 6 5 2 F Fault lamp eeen 2 4 4 2 5 1 5 2 Formatting eneen eere ven verveend ennen 3 2 5 3 F 2 Front panel ccc ccc cece cece centre ron narra rara ra 2 4 Fuse 2 5 2 13 4 8 E 2 H Head cleaning nnen eneen tenet tener tenets eee eenen 4 3 4 5 Host computer 2 9 2 12 F 2 HP 150 Personal Computer eeen eeen evers 3 8 HP 3000 System Reference Manual 3 8 HP IB eeen verevenen eeens 2 5 2 9 2 12 E 2 HP IB Restrictions enerverend eneen C 1 Humidity eneen vereren vennen renner eenen en A 2 i Initializing u 3 5 5 3 F 2 Initiate Self Test Button 2 5 Inserting the cartridge nonnen enerverende 3 4 Interface F 2 L LED display ua 2 5 F 3 Linear configuration neren eneen 2 10 2 12 Loading cartridges cece 3 4 M Maintenance 4 1 4 8 Media Monitor 4 1 Mbyte 0 F 3 Option Ian 2 3 3 8 0 Ordering E 3 D Peripheral F 3 l 2 INDEX Positioning the drive 2 6 Power cord socket 0 2 5 Power supply connections 2200 2 14 Problems and Solutions 5 1 5 3 Product specifications eeen eeen A 1 Protect lamp eenen 2 4 3 7 4 1 Rear one 2 5 Removing cartridge eeen veneeveneenveven een
42. s Bristol The illustrations were produced on an HP 9000 series 220 computer running HP EGS 21 software and were transfered to the HP 3000 and included within the text using TDP 3000 It was printed by offset lithography from camera ready copy produced on an HP 2688 laser printer Warranty and Service Hewlett Packard tape drive products are warranted against defects in materials and workmanship for ninety 90 days from the date of installation Hewlett Packard will at its option repair or replace equipment which proves to be defective during the warranty period A copy of the complete warranty statement is available upon request HP offers complete service and maintenance worldwide Maintenance agreements are available for all HP peripheral products Advantages of these agreements to the customer include a fixed annual cost individualized cost effective contracts and a choice of response time Current rates can be determined by contacting your local HP Sales Office The selection and use of media supplies and consumables is the customer s responsibility Hewlett Packard reserves the right to exclude from the warranty or service agreement any repairs for damage to HP products which HP reasonably determines or believes were caused by use of non HP media or cleaning supplies Hewlett Packard will upon request repair such damage on a time and material basis Repairs necessitated by misuse of the equipment or by hardware soft
43. ware or interfacing not provided by Hewlett Packard are not covered by this warranty NO OTHER WARRANTY IS EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE HEWLETT PACKARD SHALL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES Radio Frequency Interference Statement Federal Communications Commission USA Only iii This equipment generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio and television reception It has been type tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference in a commercial installation However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on you are encouraged to try to correct the interference by one or more of the following measures reorient the receiving antenna relocate the computer with respect to the receiver move the computer away from the receiver plug the computer into a different outlet so that computer and receiver are on different branch circuits If
44. written The layout and format are attractive and useful The illustrations are clear and helpful sch mb sch b ech sch NP ND NM DDN NN 0 0 0 G uy PP PPS HA aaaaaa a Doge ao 0 Please feel free to write additional comments below particularly if you disagree with a statement above Use additional pages if you wish the more detailed your comments the more useful they are to us Name Title Company Printed In the U K Address January 1987 A HEWLETT ip PACKARD Phone Publications Dept HEWLETT PACKARD Ltd Computer Peripherals Bristol Filton Road Stoke Gifford BRISTOL BS12 6QZ United Kingdom P
45. y the data from the existing cartridge onto disc B Copy the data from the disc onto a new cartridge C Discard the old cartridge MAINTENANCE 4 1 EEKEREN ee self test The power on self test checks the major assemblies in the verview HP 9144A and displays the HP IB address on the right hand LED display on the rear panel SN AS If the self test routine finds a fault the front panel Fault lamp lights and remains illuminated until another self test is inittated or the tape drive is turned off While the self test is taking place the LED displays on the rear panel show the following sequence A Both displays are off LL B All segments are turned on for a moment C The LEDs are turned off except for the decimal points LL D A pass or fail indication E or shows in the left hand display with the HP IB address El to appearing in the right hand display for example The self test takes about seven seconds If the tape drive passes all the tests and there is a cartridge in the drive the load sequence starts If a cartridge is not in the drive and a pass condition A is indicated the next step is to insert a cartridge When a cartridge is inserted the read and write part of the self test sequence is performed If the cartridge is write protected only the read part of the self test is done If the SFaultz lamp lights but the LED display on the rear panel shows a amp Pass conditi
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