Troubleshooting Tips
Page 1
... port signal rise time is displayed. I /F card, such as shown (no "/" or ":" characters) 8148 printer RS-232 interface card, installed in an Epson printer prints "*" characters (framing errors). HX-20 TROUBLESHOOTING TIPS SYMPTOM System displays garbage on the main menu, or a "trap" error is slow. POSSIBLE SOLUTION/REASON Initialize the unit by pressing...
... port signal rise time is displayed. I /F card, such as shown (no "/" or ":" characters) 8148 printer RS-232 interface card, installed in an Epson printer prints "*" characters (framing errors). HX-20 TROUBLESHOOTING TIPS SYMPTOM System displays garbage on the main menu, or a "trap" error is slow. POSSIBLE SOLUTION/REASON Initialize the unit by pressing...
User Manual
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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 6
...of these programs. You can store up to know anything about comput- Congratulations! Furthermore, the HX-20 has a memory like an elephant. Unlike most other personal computers, the HX-20 can make the HX-20 run any product ever built, combining the power and usefulness of a desktop computer with no ...system, at home in your lap. It's a go-anywhere, doanything system designed from the start to use it. Chapter 1 Congratulations! The Epson HX-20 is unlike any program on your desk or in the classroom or the conference room, on the menu simply by pressing a single key. ers...
...of these programs. You can store up to know anything about comput- Congratulations! Furthermore, the HX-20 has a memory like an elephant. Unlike most other personal computers, the HX-20 can make the HX-20 run any product ever built, combining the power and usefulness of a desktop computer with no ...system, at home in your lap. It's a go-anywhere, doanything system designed from the start to use it. Chapter 1 Congratulations! The Epson HX-20 is unlike any program on your desk or in the classroom or the conference room, on the menu simply by pressing a single key. ers...
User Manual
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...by purchasing a tiny circuit called an option ROM An option ROM will fit inside the HX-20, enhancing it off Contained within the HX-20 is easy to know. 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 ...screen and printer. memory even when you turn it You'll also appreciate its built-in programming, you need to learn about programming, the accompanying Epson HX-20 BASIC Tutorial and Reference Manual will take you from a computer novice to an accomplished computer programmer, in only a few evenings. 2 J When you...
...by purchasing a tiny circuit called an option ROM An option ROM will fit inside the HX-20, enhancing it off Contained within the HX-20 is easy to know. 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 ...screen and printer. memory even when you turn it You'll also appreciate its built-in programming, you need to learn about programming, the accompanying Epson HX-20 BASIC Tutorial and Reference Manual will take you from a computer novice to an accomplished computer programmer, in only a few evenings. 2 J When you...
User Manual
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...damage. It is not designed to run your HX-20 directly from those of the HX-20 battery charger. (This is designed to select a different character set (see Page 27). Their electrical characteristics will almost certainly be removed by an authorized Epson dealer or service center and for one of ...these devices with the circuit cover removed. You may cause the HX-20 to modify, adjust, add, or insert any of two reasons: 1 ) to install...
...damage. It is not designed to run your HX-20 directly from those of the HX-20 battery charger. (This is designed to select a different character set (see Page 27). Their electrical characteristics will almost certainly be removed by an authorized Epson dealer or service center and for one of ...these devices with the circuit cover removed. You may cause the HX-20 to modify, adjust, add, or insert any of two reasons: 1 ) to install...
User Manual
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... the batteries for more than seven days can destroy them. Don't pull on the paper when the printer is active You may damage the HX-20's built-in a bar-code reader or a cassette recorder. Charging them continuously for more than eight hours at the back of the batteries.... of the HX-20 enable you to plug in microprinter if you pull on the paper when the printer is working. I Don't overcharge the batteries If your batteries fail to hold a charge, take your HX-20. recharge the HX-20 before you see that message, you could damage your HX-20 to an Epson Service Center...
... the batteries for more than seven days can destroy them. Don't pull on the paper when the printer is active You may damage the HX-20's built-in a bar-code reader or a cassette recorder. Charging them continuously for more than eight hours at the back of the batteries.... of the HX-20 enable you to plug in microprinter if you pull on the paper when the printer is working. I Don't overcharge the batteries If your batteries fail to hold a charge, take your HX-20. recharge the HX-20 before you see that message, you could damage your HX-20 to an Epson Service Center...
User Manual
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... battery charger, and all packing materials from the box. DO NOT DISCARD THE PACKING MATERIALS! You should have the following: 1) The Epson HX-20 computer and carrying case. 2) The battery charger. 13 See page 27. Check the packing materials for the first time, you must take several steps: I)... Unpack it during shipment. You will need to work with special symbols, you ever ship the HX-20, to select a different character set. If you need them if you might also wish to protect it . 2) Charge the batteries. 3) Put paper and a ...
... battery charger, and all packing materials from the box. DO NOT DISCARD THE PACKING MATERIALS! You should have the following: 1) The Epson HX-20 computer and carrying case. 2) The battery charger. 13 See page 27. Check the packing materials for the first time, you must take several steps: I)... Unpack it during shipment. You will need to work with special symbols, you ever ship the HX-20, to select a different character set. If you need them if you might also wish to protect it . 2) Charge the batteries. 3) Put paper and a ...
User Manual
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...Fill out 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. For optimum battery life, only recharge the batteries when... the HX-20 tells you in using the HX-20. A full charge is necessary to help you to Epson. 3) A roll of purchase and mail it to do so. With your HX-20 hold very little charge when they are new. Charging the ...
...Fill out 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. For optimum battery life, only recharge the batteries when... the HX-20 tells you in using the HX-20. A full charge is necessary to help you to Epson. 3) A roll of purchase and mail it to do so. With your HX-20 hold very little charge when they are new. Charging the ...
User Manual
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You can slide it in about onequarter inch before it may jam or otherwise damage the printer. Now you use any other paper, as it stops: 19 When you need the roll of paper (available at your HX-20. Do not use it up, replace it with the same kind of printer paper that came with your Epson dealer). Unroll several inches of this paper: Slide the paper through the slot connecting the paper compartment and the printer compartment.
You can slide it in about onequarter inch before it may jam or otherwise damage the printer. Now you use any other paper, as it stops: 19 When you need the roll of paper (available at your HX-20. Do not use it up, replace it with the same kind of printer paper that came with your Epson dealer). Unroll several inches of this paper: Slide the paper through the slot connecting the paper compartment and the printer compartment.
User Manual
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...of the ribbon will need to remove. Then install a new one, which you may purchase at your HX-20, press on the word "PUSH" embossed on the right side of the ribbon. Once it dries, it...will produce very faint copy, and you will pop up, and you can remove it. To remove a ribbon from your Epson dealer.) 1 Note: If you get ribbon ink on top of the metal plate.) The ribbon cartridge is level with the ...concerned if the ribbon has some slack and rests on the case of the HX-20, wipe it off immediately. Replacing the printer cover Slide the paper through the slot in the printer cover: 22
...of the ribbon will need to remove. Then install a new one, which you may purchase at your HX-20, press on the word "PUSH" embossed on the right side of the ribbon. Once it dries, it...will produce very faint copy, and you will pop up, and you can remove it. To remove a ribbon from your Epson dealer.) 1 Note: If you get ribbon ink on top of the metal plate.) The ribbon cartridge is level with the ...concerned if the ribbon has some slack and rests on the case of the HX-20, wipe it off immediately. Replacing the printer cover Slide the paper through the slot in the printer cover: 22
User Manual
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... display and print special characters required by using HX-20 software; You may select special character sets by users in a number of the HX-20. 27 see The HX-20 BASIC Tutorial and Reference Manual. The circuit cover should be removed only by an authorized Epson dealer or service center. Removing it yourself will void your warranty...
... display and print special characters required by using HX-20 software; You may select special character sets by users in a number of the HX-20. 27 see The HX-20 BASIC Tutorial and Reference Manual. The circuit cover should be removed only by an authorized Epson dealer or service center. Removing it yourself will void your warranty...
User Manual
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...have installed option ROM for a given item, the menu will disappear and the HX-20 will rather be active. To answer that question, let's take a look at a particular menu: q (Press to see the Epson HX-20 Technical Reference Manual. ifying a key and the job associated with that item.... For example, one or more , but will begin to perform the job you enter, change, and run BASIC programs. See the Epson HX-20 BASIC Tutorial and Reference Manual. The...
...have installed option ROM for a given item, the menu will disappear and the HX-20 will rather be active. To answer that question, let's take a look at a particular menu: q (Press to see the Epson HX-20 Technical Reference Manual. ifying a key and the job associated with that item.... For example, one or more , but will begin to perform the job you enter, change, and run BASIC programs. See the Epson HX-20 BASIC Tutorial and Reference Manual. The...
User Manual
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... forward. : Slow forward, : stop. : Rewind. : Exit from 0 to print a hard copy of the microcassette's digital tape counter. This means that the HX-20 is in this rate, press w when a program is running some program, it will return to the menu if you press the key. When you see...you to zero. 53 lets you press /i , the LCD screen displays the value of the LCD q /m screen display. See the Epson HX-20 BASIC Tutorial and Reference Manual. Even if the HX-20 is installed. q gram or a cassette SAVE or LOAD. This indicates that you can change the rate at which the...
... forward. : Slow forward, : stop. : Rewind. : Exit from 0 to print a hard copy of the microcassette's digital tape counter. This means that the HX-20 is in this rate, press w when a program is running some program, it will return to the menu if you press the key. When you see...you to zero. 53 lets you press /i , the LCD screen displays the value of the LCD q /m screen display. See the Epson HX-20 BASIC Tutorial and Reference Manual. Even if the HX-20 is installed. q gram or a cassette SAVE or LOAD. This indicates that you can change the rate at which the...
User Manual
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... Chapter 6 Connecting your HX-20 to other devices-for you to the HX-20. To ensure a consistent tape speed, you 'll learn how to connect the HX-20 to avoid the cheapest cassette recorders, because on a cassette. One very desirable feature is essential for your Epson dealer as part #702,... recorder will serve as well as the batteries drain down. In this : 55 Such fluctuations in tape speed can connect your cassettes. Connecting your HX-20 to a cassette recorder You can make it 's best to such peripherals. However, it impossible for example, to a cassette recorder, a printer,...
... Chapter 6 Connecting your HX-20 to other devices-for you to the HX-20. To ensure a consistent tape speed, you 'll learn how to connect the HX-20 to avoid the cheapest cassette recorders, because on a cassette. One very desirable feature is essential for your Epson dealer as part #702,... recorder will serve as well as the batteries drain down. In this : 55 Such fluctuations in tape speed can connect your cassettes. Connecting your HX-20 to a cassette recorder You can make it 's best to such peripherals. However, it impossible for example, to a cassette recorder, a printer,...
User Manual
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...of caution: all cassette recorders vary, in tape speed and in the position of your HX-20 enables it with the information in Table 6-1. You may use it to your Epson dealer. Or you use only one cassette recorder with various applications programs, as described ...Signal Ground) 1 7 TXD (Signal Out*) 2 2 RXD (Signal In*) 3 3 RTS 4 4 CTS 5 5 DSR 6 6 DTR 7 20 CD 8 8 Case Ground DIN Case 1 * From HX-20's point of view. (In Table 6-1, "DIN Pin" refers to pins in the Epson HX-20 BASIC Tutorial and Reference Manual. To connect such a device, purchase the appropriate...
...of caution: all cassette recorders vary, in tape speed and in the position of your HX-20 enables it with the information in Table 6-1. You may use it to your Epson dealer. Or you use only one cassette recorder with various applications programs, as described ...Signal Ground) 1 7 TXD (Signal Out*) 2 2 RXD (Signal In*) 3 3 RTS 4 4 CTS 5 5 DSR 6 6 DTR 7 20 CD 8 8 Case Ground DIN Case 1 * From HX-20's point of view. (In Table 6-1, "DIN Pin" refers to pins in the Epson HX-20 BASIC Tutorial and Reference Manual. To connect such a device, purchase the appropriate...
User Manual
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...rounded end of the RS-232 cable into the corresponding socket on your HX-20. TABLE 6-2 HX-20 Default Protocol for them to use any desired proto- col. (See the Epson HX-20 BASIC Tutorial and Reference Manual.) Connecting your HX-20 to configure your RS-232 device so that it very easy to transmit... text and data to Send): held "high" by HX-20 DSR (Data Set Ready): controlled by using appropriate parameters...
...rounded end of the RS-232 cable into the corresponding socket on your HX-20. TABLE 6-2 HX-20 Default Protocol for them to use any desired proto- col. (See the Epson HX-20 BASIC Tutorial and Reference Manual.) Connecting your HX-20 to configure your RS-232 device so that it very easy to transmit... text and data to Send): held "high" by HX-20 DSR (Data Set Ready): controlled by using appropriate parameters...
User Manual
Page 65
Epson built reliability into this software, so it's quite likely that it off would make the HX-20 forget every program in the OFF position. Nevertheless, even the most intelligent systems can 't turn off , use your HX-20... Cause: The "ON-OFF" switch does not shut off power, but merely suggests to the HX-20...: blunt object to press the RESET switch on the screen, even when the ON-OFF switch is in its memory!) For some reason, the HX-20 is a highly sophisticated computer, controlled by very advanced software. Symptom: Text and/ or graphics remain on the right side of the ON-OFF ...
Epson built reliability into this software, so it's quite likely that it off would make the HX-20 forget every program in the OFF position. Nevertheless, even the most intelligent systems can 't turn off , use your HX-20... Cause: The "ON-OFF" switch does not shut off power, but merely suggests to the HX-20...: blunt object to press the RESET switch on the screen, even when the ON-OFF switch is in its memory!) For some reason, the HX-20 is a highly sophisticated computer, controlled by very advanced software. Symptom: Text and/ or graphics remain on the right side of the ON-OFF ...
User Manual
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... you store any program is in this opportunity to clean up your menu you can once again enter your Epson dealer. 62 The RESET switch will interrupt the HX-20, no matter how busy it . This will notice that were in memory? This may have been caused ... re-initialize memory and the calendar clock, as described on a cassette. (See the Epson HX-20 BASIC Tutorial and Reference Manual.) Unfortunately, whatever garbled your programs, too. Once interrupted, the HX-20 will make the HX-20 start with reserved portions of letters, numbers, and/ or graphics characters. If so, ...
... you store any program is in this opportunity to clean up your menu you can once again enter your Epson dealer. 62 The RESET switch will interrupt the HX-20, no matter how busy it . This will notice that were in memory? This may have been caused ... re-initialize memory and the calendar clock, as described on a cassette. (See the Epson HX-20 BASIC Tutorial and Reference Manual.) Unfortunately, whatever garbled your programs, too. Once interrupted, the HX-20 will make the HX-20 start with reserved portions of letters, numbers, and/ or graphics characters. If so, ...
User Manual
Page 69
For detailed specifications, see the Epson HX-20 Technical Reference Manual. Chapter 9 Specifications This chapter provides information of interest to program your HX-20. Architecture The HX-20 has two microprocessors for distributed and concurrent I/O processing. If you are subject to change without notice. All specifications are just ... this chapter. The microprocessors (both 630l's) communicate with each other through their serial communications ports. 65 Turn instead to the Epson HX-20 BASIC Tutorial and Reference Manual, and learn how to technicallysophisticated users.
For detailed specifications, see the Epson HX-20 Technical Reference Manual. Chapter 9 Specifications This chapter provides information of interest to program your HX-20. Architecture The HX-20 has two microprocessors for distributed and concurrent I/O processing. If you are subject to change without notice. All specifications are just ... this chapter. The microprocessors (both 630l's) communicate with each other through their serial communications ports. 65 Turn instead to the Epson HX-20 BASIC Tutorial and Reference Manual, and learn how to technicallysophisticated users.