Epson HX-20 Bedienungsanleitung

EPSONHX-20 OPERATIONS MANUALBYKenneth SkierPresidentSkiSoft, Inc.Cambridge, Massachusetts

Chapter 2CautionsThe HX-20 is not a toy. Although it is solid and well-built, it is notinvulnerable. Treat it with the care it deserves, and it should

cartridgeLeave the dummy cartridge in placeIf you purchase an option cartridge containing a program or amicrocassette recorder, then you will need

Treat the circuit cover with careIf you turn your HX-20 upside down, you will notice something thatlooks like a trap door. This covers the HX-20’s int

plugs identical to the one on the HX-20 battery charger.)Using any battery charger other than the one that came with yourHX-20 may damage the HX-20 an

recharge the HX-20 before you see that message, you will onlyshorten the useful life of the batteries.Charging the batteries for more than eight hours

Plugging in a device that does not conform to these specificationsmay damage the HX-20 and/or the device you plug in, and mayvoid your warranty.Connec

Protect the HX-20 from extreme heat and coldThe HX-20 is designed for use in conditions where the temperatureis below 95° F (35° C), and above 41°F (

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Chapter 3Preparing your HX-20 for useBefore you use your HX-20 for the first time, you must take severalsteps:I) Unpack it.2) Charge the batteries.3)

3) A roll 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) Th

All rights reserved. No part of this publication may be reproduced, stored in aretrieval system, or transmitted, in any form or by any means, el

Uncoil the battery charger cable. At the free end of this cable is asmall, cylindrical plug:Insert this plug into the socket labelled “ADAPTER” on the

When the HX-20 is shipped from the factory, the ribbon andpaper are not installed in the printer. To prepare the printer for use,you must perform the

When you have tilted the printer cover up to a near-verticalposition, you may lift it completely from the HX-20:IINow you can look directly into the p

(Pay no attention to the screen at this point.)Turn the printer on, by sliding the PRINTER ON-OFF switch tothe right:The printer will remain inactive.

Now you need the roll of printer paper that came with yourHX-20. When you use it up, replace it with the same kind of paper(available at your Epson de

While holding the paper in place, press the PAPER FEEDbutton. The printer will activate, and a rubber roller will pull thepaper into the printer compa

Close the paper compartment by pulling the paper cover all theway forward. Be sure that you don’t close the paper cover on thefree end of the paper ro

Push the ribbon cartridge down into the printer compartment,until the top surface of the ribbon cartridge is level with the metalplate.(Do not be conc

Push the back of the printer cover down and into place:IIPress the front of the printer cover down:The printer cover is now in place.Adjusting the vie

At one angle you might not see any text at all on the screen. Atanother angle the entire screen may look black. But you willdiscover an optimal viewi

Federal Communications CommissionRadio Frequency InterferenceStatement“This equipment generates and uses radio frequency energy and ifnot installed an

Initializing memory and the calendar clockBefore you use the HX-20 for the first time, you must initialize itsmemory and its calendar clock. (If you

Figure 3-1Format for Specifying Date and TimeMM DD YY HHMM SS+ay !.,. / j ?,.k=You must enter IWO digits for each of these units of time. Forexample

Your HX-20 is now ready for use.Selecting a different character setPlease note: The following information is for dealer reference only!The circuit c

You will see a shiny, flexible flap. Carefully lift this up and out ofthe way.One component, called a DIP switch, looks like this (enlarged toshow det

TABLE 3-2DIP Switch Settings forInternational Character SetsDesiredSwitchCountry1Denmark OnEnglandOffFrance OffGermanyOnItaly OnSpainOffSweden OffUSA

Chapter 4Using the HX-20Once you have prepared the HX-20 for use, you may use it any-where, at any time. Just turn it on, view the menu, and choose an

Or it might be much longer. However, if it is longer, its first fewlines will look exactly like the above menu.The above menu is three lines long, so

TABLE 4-1Keys You May Use To View The MenuKey EffectThe entire menu will scroll up throughthe screen. When the scrolling stops,you will see item“1” in

To answer that question, let’s take a look at a particular menu:(Press q to see the top line of this menu on your screen.)Each line in the menu lists

CONTENTS1 Congratulations!...2 Cautions...Case...

Chapter 5The screen editorWhen you use BASIC or almost any application program, you willinteract with the HX-20 by typing on the keyboard, and it will

If you place that piece of paper on any page in this book, it willcover up all but a small portion of the page. Yet by moving thatwindow horizontally

At the bottom of the screen, you will see a symbol that looks likethis:That symbol consists of a “greater-than” sign with a little lineunderneath it.

Thus, themkeys enable two cursor keys to move the cursor inany of four different directions: left, right, up, and down. To selecthorizontal movement

Clearing the screenYou can erase the entire virtual screen, just by pressing a single key:This clears the virtual screen, and homes the cursor.Typing

Because the cursor is near the right edge of the screen, somethingunusual will happen when you type the next character. Pressthem key. An “O” appears

already displaying the rightmost portion of the virtual screen.Now, press the q key and the screen will look like this:ALL GOOD MEN TO COM '-The

(You will see an error message on the screen if you presspiiiJJnow, after typing “NOW IS THE TIME FOR ALL GOOD MENTO COME TO THE AID OF THEIR PARTY.”

(Note: if the cursor is at the beginning of a logical line, thenpressing a will not delete the preceding character, but will insteaddelete the charact

Virtual screen width...42Logical lines vs. physical lines...43Retyping ...

Eventually, you’ll want to stop inserting text. To exit from insertmode, hold down a m key and tap magain. Or press anycursor key. Either action wil

When the screen editor is in lower case mode, the w keyswork the same way they do on a typewriter. Use no m key andyou get a lower case letter; use ei

That’s the same pattern of numbers you’ll find on the keyboard ofany calculator or adding machine.When the HX-20 is in numeric mode, you cannot type a

Figure 5-1Screen Editor ModesGraphic charactersSo far you’ve typed letters, numbers, and punctuation marks, butwith the screen editor you may type man

Printing the screenNow you’ve learned enough to make the LCD screen display textand graphics. At some point, you may decide that you’d like to savea c

Move cursor right to a multiple of n col-umns. (Originally n = 10, but n may bechanged with the BASIC scroll command.)Clear virtual screen and h

Display leftmost portion of virtual screen.Scroll right.Delete from cursor to end of logical line.Move cursor to rightmost portion of virtualscreen.Sa

B lets you change the rate at which the HX-20 LISTS aBASIC program on the screen. To change this rate, press w whena program is LISTing on the screen,

Chapter 6Connecting your HX-20 to other devicesYou can connect your HX-20 to a number of other devices-forexample, to a cassette recorder, a printer,

Chapter 1Congratulations!Congratulations! You have justpurchased the first of a new gen-eration of personal computers.The Epson HX-20 is unlike anyp

At each end of the cable you'll find three plugs, colored red, white,and black. Take the three plugs at one end of the cassette cable andplug the

Your cassette recorder is now connected to your HX-20. You mayuse it to save and load BASIC programs, as described in the EpsonHX-20 BASIC Tutorial

Plug the small, rounded end of the RS-232 cable into the DINsocket labelled “RS-232” in the back of your HX-20. Then plug theother end of the cable in

A bar code reader can “read” bar codes-those patterns of blackand white stripes you find on groceries, magazines, and so manyother products today.As o

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Chapter 7What if you have problems?Your HX-20 is a highly sophisticated computer, controlled by veryadvanced software. Epson built reliability into th

The RESET switch will interrupt the HX-20, no matter how busyit may be. Once interrupted, the HX-20 will notice that the ON-OFFswitch is in the “OFF”

Chapter 8Storing your HX-20Because of its sensitive components, the HX-20 requires some careeven when you’re not using it. This chapter tells you how

also be prudent to save on a cassette any programs you have storedin memory. Then store the HX-20 in its original box and packagingmaterials, in a pla

Chapter 9SpecificationsThis chapter provides information of interest to technically-sophisticated users. If you are just learning about computers, ign

memory even when you turn itoffContained within the HX-20is an extended version of Micro-soft BASIC, a powerful pro-gramming language that is easyto

As shown in Figure 9-1, the main microprocessor accesses read-only and read-write memory, and controls the keyboard, LCDdisplay, and clock. The slave

ExpansionSeveral options may be easily installed to expand the HX-20’scapability, as shown in Figure 9-2. An expansion unit provides anadditional 32K

SpecificationsCPU and MemoryMain CPUSlave CPURAMROMInternal ExpansionROMExternal ExpansionRAMROMBuilt-in FeaturesDisplayPrinterClockSpeakerInterfa

Serial(Full and half duplex)ConnectorInput/ Output LevelBaud RatesPin AssignmentPeripheralCartridgeConnectorInput/ Output LevelPin AssignmentCartridge

AC Adapter (Battery Charger)Input VoltageFrequencyConsumptionIsolationSwitchesInternalExternalKeyboard and Character SetTypeFunctionTotal Number of Ke

CX-20 Acoustic CouplerCommunicationsOperation ModeSignaling SpeedInterfacePower SupplyDisplay ControllerSwitch BoxRS-232C CablesSerial Cables (High Sp

permanently with the desiredcapabilities. Only one optionROM can fit inside the HX-20 ata time, but it’s a powerful meansof customizing the HX-20 for

II-one or more floppy-diskunits, which may store dozensor hundreds of programs anddata files on-line, for virtuallyinstant access;As you can see, the