Troubleshooting Tips
Page 1
... display controller. I /F card, such as shown (no "/" or ":" characters) 8148 printer RS-232 interface card, installed in an Epson printer prints "*" characters (framing errors). The HX-20 RS-232 port signal rise time is displayed. HX-20 TROUBLESHOOTING TIPS SYMPTOM System displays garbage on the main menu, or a "trap" error is slow. A DATE/TIME prompt...
... display controller. I /F card, such as shown (no "/" or ":" characters) 8148 printer RS-232 interface card, installed in an Epson printer prints "*" characters (framing errors). The HX-20 RS-232 port signal rise time is displayed. HX-20 TROUBLESHOOTING TIPS SYMPTOM System displays garbage on the main menu, or a "trap" error is slow. A DATE/TIME prompt...
User Manual
Page 1
Cambridge, Massachusetts EPSON HX-20 OPERATIONS MANUAL BY Kenneth Skier President SkiSoft, Inc.
Cambridge, Massachusetts EPSON HX-20 OPERATIONS MANUAL BY Kenneth Skier President SkiSoft, Inc.
User Manual
Page 2
... system, or transmitted, in the preparation of this book, the publisher and author assume no responsibility for damages resulting from the use of Epson America, Inc. Inc. a subsidiary of CompuServe. Inc. While every precaution has been taken in any means, electronic, mechanical, photocopying, recording..., without the prior written permission of the information contained herein. Copyright® 1982 by any form or by Epson America, Inc. Torrance, California 90505 ii The Source"' is a registered trademark of the Readers Digest Association. All rights reserved.
... system, or transmitted, in the preparation of this book, the publisher and author assume no responsibility for damages resulting from the use of Epson America, Inc. Inc. a subsidiary of CompuServe. Inc. While every precaution has been taken in any means, electronic, mechanical, photocopying, recording..., without the prior written permission of the information contained herein. Copyright® 1982 by any form or by Epson America, Inc. Torrance, California 90505 ii The Source"' is a registered trademark of the Readers Digest Association. All rights reserved.
User Manual
Page 3
If this equipment does cause interference to radio or television reception, which are on , the user is encouraged to try to correct the interference by the Federal Communications Commission helpful: "How to radio and television reception. puter and receiver are designed to the receiver l Move the computer away from the US Government Printing Office, Washington, D.C., 20402, Stock No. 004-000-00345-4. If necessary, the user should consult the dealer or an experienced radio/ television technician for a Class B computing device in accordance with the specifications in Subpart J of Part ...
If this equipment does cause interference to radio or television reception, which are on , the user is encouraged to try to correct the interference by the Federal Communications Commission helpful: "How to radio and television reception. puter and receiver are designed to the receiver l Move the computer away from the US Government Printing Office, Washington, D.C., 20402, Stock No. 004-000-00345-4. If necessary, the user should consult the dealer or an experienced radio/ television technician for a Class B computing device in accordance with the specifications in Subpart J of Part ...
User Manual
Page 4
...System bus cover 6 Circuitry cover 7 Battery charger 7 Batteries 8 Printer 9 Peripherals 9 Physicalshock 10 Humidity 10 Extreme temperatures 11 3 Preparing your HX-20 for use 13 Unpackingthe HX-20 13 Charging the batteries 14 Preparing the printer for use 15 Removing the printer cover 16 Inserting the paper roll 17 Inserting the...22 Adjusting the viewing angle 23 initializing memory and the calendar clock 25 Selecting a different character set 27 4 Using the HX-20 31 Turning it on 31 Viewing the menu 31 Choosing an item from the menu 33 5 The screen editor 35 ...
...System bus cover 6 Circuitry cover 7 Battery charger 7 Batteries 8 Printer 9 Peripherals 9 Physicalshock 10 Humidity 10 Extreme temperatures 11 3 Preparing your HX-20 for use 13 Unpackingthe HX-20 13 Charging the batteries 14 Preparing the printer for use 15 Removing the printer cover 16 Inserting the paper roll 17 Inserting the...22 Adjusting the viewing angle 23 initializing memory and the calendar clock 25 Selecting a different character set 27 4 Using the HX-20 31 Turning it on 31 Viewing the menu 31 Choosing an item from the menu 33 5 The screen editor 35 ...
User Manual
Page 5
... mode 45 Upper and lower case 46 Numeric mode 47 Graphic characters 49 Printing the screen 50 Using the special function keys 52 6 Connecting your HX-20 to other devices 55 -to a cassette recorder 55 -to an RS-232 device 57 -to a bar code reader 58 7 What if you have problems 61... If you can't turn off your HX-20 61 If the menu displays garbage 62 If you encounter other problems 62 8 Storing your HX-20 63 - Virtual screen width 42 Logical lines vs.
... mode 45 Upper and lower case 46 Numeric mode 47 Graphic characters 49 Printing the screen 50 Using the special function keys 52 6 Connecting your HX-20 to other devices 55 -to a cassette recorder 55 -to an RS-232 device 57 -to a bar code reader 58 7 What if you have problems 61... If you can't turn off your HX-20 61 If the menu displays garbage 62 If you encounter other problems 62 8 Storing your HX-20 63 - Virtual screen width 42 Logical lines vs.
User Manual
Page 6
... Congratulations! ers to be BASIC programs.) When you don't have just purchased the first of a new generation of a pocket calculator. The Epson HX-20 is a compact and uncluttered system, at home in the classroom or the conference room, on your desk or in your lap. Unlike most... desktop computer with the portability of personal computers. Unlike most other personal computers, the HX-20 can make the HX-20 run any program in memory as soon as they are "powered down," the HX-20 remembers all programs in its 1 Congratulations! It's a go-anywhere, doanything system designed ...
... Congratulations! ers to be BASIC programs.) When you don't have just purchased the first of a new generation of a pocket calculator. The Epson HX-20 is a compact and uncluttered system, at home in the classroom or the conference room, on your desk or in your lap. Unlike most... desktop computer with the portability of personal computers. Unlike most other personal computers, the HX-20 can make the HX-20 run any program in memory as soon as they are "powered down," the HX-20 remembers all programs in its 1 Congratulations! It's a go-anywhere, doanything system designed ...
User Manual
Page 7
...a few evenings. 2 J When you use . memory even when you turn it a snap to develop programs that is easy to learn about programming, the accompanying Epson HX-20 BASIC Tutorial and Reference Manual will teach you everything you need to know. If you can purchase programs and run them on your...an extended version of office equipment, and that its built-in programming, you have no interest in screen and printer. You may tailor the HX-20 to use the HX-20, you'll notice that its full-size, full-stroke keyboard has the feel of a fine piece of Microsoft BASIC, a powerful programming ...
...a few evenings. 2 J When you use . memory even when you turn it a snap to develop programs that is easy to learn about programming, the accompanying Epson HX-20 BASIC Tutorial and Reference Manual will teach you everything you need to know. If you can purchase programs and run them on your...an extended version of office equipment, and that its built-in programming, you have no interest in screen and printer. You may tailor the HX-20 to use the HX-20, you'll notice that its full-size, full-stroke keyboard has the feel of a fine piece of Microsoft BASIC, a powerful programming ...
User Manual
Page 8
... video monitor; -a printer, for specific applications. If your HX-20 even further, you may connect it 's a powerful means of the HX-20. I -a modem or acoustic coupler, to accept option cartridges. You can fit inside the HX-20 at a time, but it to run applications programs; municate ...one or more memory than the HX-20 features, just attach an expansion unit, which enables the HX-20 to display text and graphics on your HX-20 to other computers and net- permanently with the desired capabilities. Option cartridges also tailor the HX-20 for full-page printouts of programs ...
... video monitor; -a printer, for specific applications. If your HX-20 even further, you may connect it 's a powerful means of the HX-20. I -a modem or acoustic coupler, to accept option cartridges. You can fit inside the HX-20 at a time, but it to run applications programs; municate ...one or more memory than the HX-20 features, just attach an expansion unit, which enables the HX-20 to display text and graphics on your HX-20 to other computers and net- permanently with the desired capabilities. Option cartridges also tailor the HX-20 for full-page printouts of programs ...
User Manual
Page 9
As you could hardly choose a more floppy-disk units, which may store dozens or hundreds of programs and data files on-line, for virtually instant access; Whether you wish to use and expandable. So, once again, Congratulations! -a bar code reader, to use it for school, for business, or just for fun, you can see, the HX-20 is powerful, portable, easy to scan barcoded programs, songs, and data sheets. 4 I I -one or more personal personal computer.
As you could hardly choose a more floppy-disk units, which may store dozens or hundreds of programs and data files on-line, for virtually instant access; Whether you wish to use and expandable. So, once again, Congratulations! -a bar code reader, to use it for school, for business, or just for fun, you can see, the HX-20 is powerful, portable, easy to scan barcoded programs, songs, and data sheets. 4 I I -one or more personal personal computer.
User Manual
Page 10
...Never disassemble the case Leave the dummy cartridge in place In the upper right corner of reliable service. Chapter 2 Cautions The HX-20 is not invulnerable. If you connect your HX-20 to any peripherals, be sure to heed any warnings contained within the documentation for those peripherals. (Note: failure to observe ...the following cautions may void the warranty on these pages concern only the HX-20. If you remove the screws that you will risk damaging the static-sensitive circuitry and/or the batteries. The warnings on your...
...Never disassemble the case Leave the dummy cartridge in place In the upper right corner of reliable service. Chapter 2 Cautions The HX-20 is not invulnerable. If you connect your HX-20 to any peripherals, be sure to heed any warnings contained within the documentation for those peripherals. (Note: failure to observe ...the following cautions may void the warranty on these pages concern only the HX-20. If you remove the screws that you will risk damaging the static-sensitive circuitry and/or the batteries. The warnings on your...
User Manual
Page 11
... metal objects, and other hazards. Carefully remove it only to install the HX-20 expansion unit. 6 When no cartridge is in place, one of the HX-20's connectors is exposed, you will run the risk of your HX-20. But until then, please leave the dummy cartridge in order to insert ...the option cartridge. By covering up a connector called the system bus. This covers up this connector can damage the HX-20's circuitry. cartridge Leave the dummy cartridge in place If you purchase an option cartridge containing a program or a microcassette recorder, then you will...
... metal objects, and other hazards. Carefully remove it only to install the HX-20 expansion unit. 6 When no cartridge is in place, one of the HX-20's connectors is exposed, you will run the risk of your HX-20. But until then, please leave the dummy cartridge in order to insert ...the option cartridge. By covering up a connector called the system bus. This covers up this connector can damage the HX-20's circuitry. cartridge Leave the dummy cartridge in place If you purchase an option cartridge containing a program or a microcassette recorder, then you will...
User Manual
Page 12
... become void if you turn your HX-20. Use only the HX-20 AC adapter to charge HX-20 batteries Your HX-20 comes with care PLEASE NOTE: You should not remove this compartment. Removing it exposes the static-sensitive circuit to interfere with your HX-20 upside down, you should only be...volts, and equipped with 7 You may cause the HX-20 to possible damage. Their electrical characteristics will notice something that looks much like a trap door. In all cases, you will almost certainly be removed by an authorized Epson dealer or service center and for one of these ...
... become void if you turn your HX-20. Use only the HX-20 AC adapter to charge HX-20 batteries Your HX-20 comes with care PLEASE NOTE: You should not remove this compartment. Removing it exposes the static-sensitive circuit to interfere with your HX-20 upside down, you should only be...volts, and equipped with 7 You may cause the HX-20 to possible damage. Their electrical characteristics will notice something that looks much like a trap door. In all cases, you will almost certainly be removed by an authorized Epson dealer or service center and for one of these ...
User Manual
Page 13
...CHARGE BATTERY" warning, turn off . Use only the HX-20 AC adapter to charge HX-20 batteries Don't overcharge the batteries If you operate the HX-20 with your warranty. plugs identical to be recharged, the HX-20 will flash "CHARGE BATTERY" on the HX-20 battery charger.) Using any battery charger other than the ...with the battery charger connected, eventually you will overcharge the batteries. Do not operate the HX-20 with the battery charger connected When its batteries and could void your HX-20 may damage the HX-20 and/ or its batteries need to the one on the screen sixty times, and ...
...CHARGE BATTERY" warning, turn off . Use only the HX-20 AC adapter to charge HX-20 batteries Don't overcharge the batteries If you operate the HX-20 with your warranty. plugs identical to be recharged, the HX-20 will flash "CHARGE BATTERY" on the HX-20 battery charger.) Using any battery charger other than the ...with the battery charger connected, eventually you will overcharge the batteries. Do not operate the HX-20 with the battery charger connected When its batteries and could void your HX-20 may damage the HX-20 and/ or its batteries need to the one on the screen sixty times, and ...
User Manual
Page 14
... to appropriate peripherals The sockets on the paper while the printer is active You may , however, pull on the side of the HX-20 enable you to connect it conforms to the interface specifications listed at a time will cause no damage to the printer. Do not plug any device ... on the paper when the printer is working. DO NOT ATTEMPT TO REMOVE THE BATTERIES YOURSELF, or you could damage your HX-20 to an Epson Service Center. this manual. 9 recharge the HX-20 before you see that message, you will only shorten the useful life of this will shorten their life. Charging the batteries...
... to appropriate peripherals The sockets on the paper while the printer is active You may , however, pull on the side of the HX-20 enable you to connect it conforms to the interface specifications listed at a time will cause no damage to the printer. Do not plug any device ... on the paper when the printer is working. DO NOT ATTEMPT TO REMOVE THE BATTERIES YOURSELF, or you could damage your HX-20 to an Epson Service Center. this manual. 9 recharge the HX-20 before you see that message, you will only shorten the useful life of this will shorten their life. Charging the batteries...
User Manual
Page 15
...it in conditions where the humidity does not exceed 80%. Exposure to water can create a potential shock hazard. Protect the HX-20 from physical shock Protect the HX-20 from extreme humidity The HX-20 is designed for use in its original box, using the original packing materials, whenever you plug in, and may damage ...the HX-20 and/or the device you ship it shake about. Pack it . Exposure to humidity exceeding this level can be damaged by such treatment. Plugging in ...
...it in conditions where the humidity does not exceed 80%. Exposure to water can create a potential shock hazard. Protect the HX-20 from physical shock Protect the HX-20 from extreme humidity The HX-20 is designed for use in its original box, using the original packing materials, whenever you plug in, and may damage ...the HX-20 and/or the device you ship it shake about. Pack it . Exposure to humidity exceeding this level can be damaged by such treatment. Plugging in ...
User Manual
Page 16
Protect the HX-20 from extreme heat and cold The HX-20 is below 95° F (35° C), and above 41°F (5° C). The HX-20 will not work reliably outside of this temperature range. Protect the HX-20 from extreme heat and cold Storing the HX-20 in conditions where the temperature is designed for use in conditions that are too hot or too cold may damage it permanently. 11
Protect the HX-20 from extreme heat and cold The HX-20 is below 95° F (35° C), and above 41°F (5° C). The HX-20 will not work reliably outside of this temperature range. Protect the HX-20 from extreme heat and cold Storing the HX-20 in conditions where the temperature is designed for use in conditions that are too hot or too cold may damage it permanently. 11
User Manual
Page 18
... symbols, you must take several steps: I) Unpack it during shipment. You should have the following: 1) The Epson HX-20 computer and carrying case. 2) The battery charger. 13 Chapter 3 Preparing your HX-20 for use Before you use your HX-20 for small parts and papers. Check the packing materials for the first time, you might also wish...
... symbols, you must take several steps: I) Unpack it during shipment. You should have the following: 1) The Epson HX-20 computer and carrying case. 2) The battery charger. 13 Chapter 3 Preparing your HX-20 for use Before you use your HX-20 for small parts and papers. Check the packing materials for the first time, you might also wish...
User Manual
Page 19
... the registration card at the time of paper for the printer. 4) A ribbon cartridge for the printer. 5) This manual. 6) The Epson HX-20 BASIC Tutorial and Reference Manual. 7) The registration card. 8) A warning sheet concerning the battery charger. With your HX-20 hold very little charge when they are new. A full charge is necessary to do so.
... the registration card at the time of paper for the printer. 4) A ribbon cartridge for the printer. 5) This manual. 6) The Epson HX-20 BASIC Tutorial and Reference Manual. 7) The registration card. 8) A warning sheet concerning the battery charger. With your HX-20 hold very little charge when they are new. A full charge is necessary to do so.
User Manual
Page 20
... the printer for eight (8) hours. Allow them to obtain a full charge for use The HX-20 features a built-in the HX-20 are located in the upper left corner of the HX-20. Uncoil the battery charger cable. If you leave your HX-20 power on the back of eight hours. At the free end of this cable... is a small, cylindrical plug: Insert this plug into the socket labelled "ADAPTER" on , your batteries will not be fully charged at the end of the HX-20: DO NOT TURN ON THE HX-20! The printer mechanism and controls are now charging. paper printer printer 15
... the printer for eight (8) hours. Allow them to obtain a full charge for use The HX-20 features a built-in the HX-20 are located in the upper left corner of the HX-20. Uncoil the battery charger cable. If you leave your HX-20 power on the back of eight hours. At the free end of this cable... is a small, cylindrical plug: Insert this plug into the socket labelled "ADAPTER" on , your batteries will not be fully charged at the end of the HX-20: DO NOT TURN ON THE HX-20! The printer mechanism and controls are now charging. paper printer printer 15