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Acorn A4
Welcome Guide

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  • Page 1 Acorn A4 Welcome Guide...
  • Page 3 Acorn A4 Welcome Guide...
  • Page 5 Welcome to the Acorn A4 computer! If you are already part of the Acorn family, you will quickly see that this powerful and innovative portable computer has all the quality and features you've come to expect. If you are new to Acorn, you are joining a family now well over a million strong, who recognise the benefits offered by our Acorn products.
  • Page 6 All information of a technical nature and particulars of the product and its use (including the information and particulars in this manual) are given by Acorn Computers Limited in good faith. However, Acorn Computers Limited cannot accept any liability for any loss or damage arising from the use of any information or particulars in this manual, or any incorrect use of the products.
  • Page 7 Guidelines for safe operation The equipment described in this guide is designed and manufactured to comply with international safety standards and is intended for use only as a portable computer. It must not be used for other purposes. It is most important that unpacking and operation is carried out in accordance with the instructions given in this guide.
  • Page 8 If ACORN agrees with the supplier that the equipment should be forwarded to ACORN for repair then ACORN will arrange for collection and return of the equipment at no charge. In all other cases the supplier will be responsible for effecting any necessary repairs in accordance with ACORN's service policy.
  • Page 9 Documentation roadmap This roadmap will help you decide which tools and manuals you will need, as you start to use your Acorn A4 computer and develop your skills.
  • Page 10: Table Of Contents

    Contents Unpacking 1 Describes what you should find when you open the box containing your computer. Getting started 3 Explains how to connect everything together and switch on. The RISC OS desktop 7 Introduces the features of the RISC OS desktop. Using the mouse 9 Describes what the mouse does, and how to use it.
  • Page 11: Unpacking

    Unpacking his chapter tells you about unpacking your computer. Unpacking Unpack your computer on a flat surface — either on the floor, or on a table where there's plenty of room for the carton as well as for the computer. Take everything out of the carton, making sure you don't break the packaging material, as you may need this later.
  • Page 12 (see Connecting printers and modems in the Portable Handbook if you're not sure). Complete the Owner Registration Form and post it back to Acorn (purchasers outside the UK should send it to their local supplier or national distributor). This will enable us to inform you of new products and upgrades to your computer as they become available.
  • Page 13: Getting Started

    Getting started his chapter tells you how to set up and use the computer for the first time. Before you start, please make sure you've read the Guidelines for safe operation in the front of this guide. Important! The battery pack is normally shipped in an almost discharged state. It is important that you follow the steps in this chapter when using the computer for the first time Connect the power supply...
  • Page 14 Connect mouse to computer 3 Connect power adaptor to computer The power adaptor (known simply as the 'adaptor') has two cables: one connects to the power outlet on the wall, the other to the computer. Note: This equipment is designed only to be used with the power adaptor supplied.
  • Page 15 Getting started 2 Switch on computer Press the computer's ON/OFF switch on the side marked Ito switch the computer on. The computer's O/I indicator should glow green to indicate that the computer is on. Check the screen display The computer first performs some self-tests (you might notice the floppy disc drive light flash briefly).
  • Page 16: What Next

    What next? What next? Motorway route! Now you're ready to begin using your computer. If you're familiar with computers and you want to start doing something right away, start by trying out some of the computer' s own applications. For example, play a tune with !Maestro (this will sound much better if you listen through a pair of walkman-type headphones –...
  • Page 17: The Risc Os Desktop

    The RISC OS desktop n introduction to the desktop environment of RISC OS. The RISC OS desktop RISC OS is the name of the operating system of your computer, which controls the way the computer appears to you, and how it does other things. There's more on this subject in the RISC OS User Guide, if you're interested.
  • Page 18 Device icons Device icons The icons on the left of the icon bar represent the devices which are available – that is, the discs and other places where you can load information from, and save it to. At least one will appear on the icon bar: Floppy disc drive.
  • Page 19: Using The Mouse

    Using the mouse his chapter tells you how to use the mouse to select and move things displayed 1 on the screen. It also describes an alternative to using the mouse, if you've not got room. What's a mouse? The mouse is one way of interacting with the computer. As you move the mouse on a flat surface, so the pointer moves around on the screen.
  • Page 20 The mouse buttons The mouse buttons The mouse has three buttons, known as Select, Menu and Adjust: The Select button is used most of the time to select icons displayed on the screen, or to choose from menus. The Menu button makes a menu appear. Menus are described in Menus on page 21. The Adjust button does a variety of things, mostly useful variants of what the Select button does.
  • Page 21 U s i n g t h e m o u s e Clicking 1 Point at the object Move the mouse so that the pointer is over the object you want to select. For example, point at the Apps icon on the icon bar.
  • Page 22: Moving The Pointer

    Dragging Dragging 1 Point at the object Move the mouse so that the pointer is over the object you want to move. For example, point at the title bar along the top of the Apps directory display. (The title bar is the part of the directory display containing the words Resources:$.Apps) 2 Select it with the mouse...
  • Page 23: Windows

    Windows his chapter describes windows and explains how they can be moved, resized, 1 hidden and closed. It describes how to move through the contents of a document too large to display in one window all at once. What is a window? window is an area of the screen displaying an activity or application.
  • Page 24 Practising manipulating windows Back icon Clicking on the back icon has the effect of putting a window to the back of the pile of windows on the screen. If you click on this, the window will be hidden behind any windows which overlap the area it occupies.
  • Page 25 Windows Changing a window's size 1 Point at the adjust size icon Move the pointer to the adjust size icon. 2 Drag the adjust size icon Press and hold the Select button down. Move the mouse and drag the icon to change the size of the window.
  • Page 26 Toggling window size Toggling window size 1 Click on the toggle size icon Move the pointer over the toggle size icon and click the Select (lefthand) button. The window size will snap to nearly the width of the screen. 2 Click on the toggle size icon again Clicking on the icon again will reverse the process (note the changing toggle size icon).
  • Page 27 Windows Closing windows Click on the close icon Position the pointer on the close icon and click the Select (lefthand) button. For example, close the Apps directory display. The window will disappear from the screen. If it's an application window, and has some unsaved work in it (some changes you've made to a letter, for example) the application will usually ask you whether you want to save the changes.
  • Page 28 Scrolling The technique of moving the window around a large file is called scrolling. You move the window frame over the file, but because the window actually stays in the same position on the screen, it appears as though the file is scrolling past the window. This is not as complicated as it sounds.
  • Page 29 Windows Practising scrolling Insert the Applications disc supplied with your computer and click on the floppy disc drive icon to show the directory display for this disc. Then double-click on the App 1 directory. Alternatively, if your computer has a hard disc, double-click on the App 1 directory on the hard disc directory display.
  • Page 30 Moving through a file Moving through a file 1 Select the slider Position the pointer on the slider, press the Select (lefthand) button and keep it pressed down. 2 Drag the slider Drag the slider to display the part of the file you want to view.
  • Page 31: Menus

    Menus his chapter tells you what menus are, how to display them and choose things from them, and how to type in answers when the computer asks you to be more specific about what you want. What is a menu? A menu in the desktop is similar to a menu in a restaurant —...
  • Page 32 Displaying a menu Displaying a menu 1 Point to the relevant icon Move the pointer over the window or icon you want to work on. For example, click on the Apps icon on the icon bar and move the pointer over the Apps directory display. 2 Click the Menu (middle) button A menu will be displayed (the Filer menu in this example).
  • Page 33 Menus Keeping a menu on the screen You'll notice that after you click Select to choose a menu option, the menu then disappears. If you click with the Adjust (righthand) button instead of Select, the menu will stay on the screen, and you can choose another option.
  • Page 34 Writable menu boxes Writable menu boxes Some submenus include writable menu boxes. Two types of writable menu box They prompt you to type in information, such as a filename. Some boxes are blank. Others include a default name, which you can change if you want To erase the default name, press the Delete key until it has gone.
  • Page 35: Discs And Disc Drives

    Discs and disc drives chapter tells take care your discs and disc drives, and how to format and make backup copies of discs. Floppy discs and hard discs You store information and programs on hard or floppy discs. Floppy discs Your computer uses 3 5 inch floppy discs.
  • Page 36 nserting and ejecting floppy discs Inserting and ejecting floppy discs The floppy disc drive is on the righthand side of the computer. Insert the disc into the floppy disc drive like this, with the label uppermost: The disc clicks into place when it is fully inserted. To eject a floppy disc from the computer, press the disc eject button below the disc slot, but only when the drive indicator light is off.
  • Page 37 You can use the following sizes of floppy disc with your computer: • double density floppy discs, holding 800 kilobytes (800KB) when formatted ( Acorn ADFS E format) • high density floppy discs, holding 1.6 megabytes (1.6MB) when formatted (Acorn ADFS F format).
  • Page 38 Formatting a floppy disc Your computer can also format discs for filing systems other than ADFS, as shown in the following table: Unformatted size Filing system Formatted size Density ADFS 800KB double ADFS 1.6MB high ADFS 640KB double 1.44MB high 720KB double Atari...
  • Page 39 Discs and disc drives 4 Decide on a name for your disc Move the pointer over the Name: box and press Ctrl U to delete the default name. Then type in the name you've decided on. (See Renaming a floppy disc on page 30 for more information on disc names).
  • Page 40 Renaming a floppy disc Renaming a floppy disc As well as writing the disc's name on a sticky label so that you know what it's called, you can use the computer to name the disc electronically (so the computer knows the disc's name too).
  • Page 41: Making Backup Copies

    Discs and disc drives Making backup copies It is a good idea to make a backup copy of any valuable files or discs from time to time, in case a disc is damaged or a file is accidentally deleted. You should also make backup copies of your program discs, and use these rather than the originals, which you should keep safe.
  • Page 42 Making backup copies Backing up files from a hard disc If you have any files on your hard disc that you can't afford to lose, it's a good idea to keep backup copies of them on a floppy disc, in case your hard disc develops any errors.
  • Page 43: Using The Keyboard

    Using the keyboard his chapter describes the keyboard and its functions. A quick tour of the keyboard This chapter describes the main features of the keyboard, and tells you how to use the different groups of keys. Note: Sometimes you need to press more than one key to perform an action. In such cases: 1.
  • Page 44 A quick tour of the keyboard Function keys (marked Fl to F10) are in a row above the typewriter keys. The function of these keys in a particular piece of software is often marked beside a menu option, or on a keycard. Delete deletes a character to the left of the caret (e.g.
  • Page 45 Cursor keys move the cursor (when it is visible) around the screen in the direction of the arrow on the keycap — see Moving around a document on page 39. Hotkeys You can access certain special functions by holding down the FN key and pressing another key —...
  • Page 46 F11 and F12 keys keys F11 and F12 As there are physically only ten Function keys along the top of the keyboard, to get at the Fl I and F12 keys you have to use the Fl and F2 hotkeys and the FN key: FN Fl gives Fl 1 FN F2 gives F12.
  • Page 47 Using the keyboard Emulating a PC keyboard numeric keypad When in FN mode, the group of keys shown in the picture below behaves like the numeric keypad on a PC-compatible keyboard. This is useful when you're doing lots of numeric work on the computer, as it's easy to type numbers in one-handed if the keys are close together (rather than strung in a long line across the top of the keyboard).
  • Page 48 Locking and unlocking FN mode The following table shows how the numeric keypad area behaves in numeric keypad mode and cursor/page mode (the functions in cursor/page mode are NOT marked on the keys): numeric keypad cursor/page mode control mode Home Cursor up Page up / (divide)
  • Page 49: Using An External Keyboard

    Using the keyboard When to lock into FN mode FN mode is most useful when you can't use a mouse (it saves you having to hold down the FN key when you're dragging files around and so on) or when performing lots of numeric operations.
  • Page 50 Typing special characters Typing special characters Sometimes you need to be able to type special characters that are not apparently on the keyboard, such as accented characters, or symbols like ©. You can in fact get at lots of extra characters using the Alt key. The keyboard map at the bottom of this page shows all the characters that are available.
  • Page 51: Using Applications

    Using applications This chapter tells you how to load and run applications on your computer. It 1 uses the application Edit as an example. What are applications? Applications, like Edit or 1st Word Plus, are programs. They are the tools that you use to produce your letters, drawings, music and so on.
  • Page 52 Using applications 2 Start the application Double-click on the application's icon. It will appear on the icon bar, ready for you to use. For example, double click on !Edit. Its icon will appear on the icon bar, indicating that it has been loaded into the computer's memory, and is waiting for you to use it.
  • Page 53 Using applications Using more than one application window Often you'll have more than one application window open on the desktop (this is the power of RISC OS — it lets you transfer data between different windows and applications). You can only enter information (e.g. write some text, or draw a picture) in one window at a time.
  • Page 54: System Applications

    Load this disc and display its directory display before you start any applications that use fonts (like Acorn Desktop Publisher). The chapter entitled System applications in the RISC OS 3 User Guide tells you more.
  • Page 55: Files And Directories

    Files and directories his chapter explains how you can store information in an organised way, copy it, and delete it when you no longer need it. Files and directories Everything you create using an application or programming language can be saved as a file, whether it consists of text, graphics or a program.
  • Page 56 Building a file structure Double-clicking on an application directory loads the application, usually onto the icon bar ready for use. See the previous chapter for more on this. Three refinements you might find useful later on: • Double-clicking Adjust on a sub-directory icon opens the sub-directory display and simultaneously closes the directory display it came from (the parent).
  • Page 57 Files and directories To create a structure like this, you will need to save files, create directories and copy files into them. These procedures are described on the following pages. To practise saving files, you'll need a work disc of your own. Create one by taking a new disc and formatting it, as described in Formatting a floppy disc on page 28.
  • Page 58 Saving (and loading) a file Saving (and loading) a file 1 Open the directory display Decide which directory you want to save your file in, and double-click on its icon to open a display for it. For example, do this on the TestFiles1 directory you've just created.
  • Page 59 Files and directories 4 Drag the file icon into the directory window Select the file icon in the dialogue box, drag it into the directory window, and release the button. For example, drag it to your TestFiles1 directory. You can load the file again by double-clicking on its icon (as long as the relevant application is in the Apps directory, or its icon has been displayed on the screen since you last switched off the...
  • Page 60 Deleting files and directories 4 Release the button Release the Select (or Adjust) button and the file will be copied into the new window. A copy of the icon will appear in the window when this has been done. To move a file (so that the original is not retained in its original location), hold down the Shift key during steps 2 and 3.
  • Page 61 Files and directories 3 Delete the file or directory Click on Delete Your selection will be deleted from the directory. Do this with the copy of file EditTest in directory TestFiles2. Note: deleting a directory also deletes all the files in that directory, so use this option with caution! If any files (or directories) have been locked against deletion they will not, in fact, be deleted.
  • Page 62 Pinboard You can remove the 'dropped' icon from the background as follows: 1 Display the Pinboard menu Move the pointer over the dropped icon and click Menu. 2 Remove the icon Choose Remove icon from the menu. If that option is greyed out, it means that the pointer wasn't quite over the icon when you clicked Menu.
  • Page 63: Printing

    Connected your printer to the computer (using the parallel port, in the case of the Acorn JP-150) using the correct cable (which should be supplied with the printer. but see Connecting printers and modems in the Portable Handbook if not).
  • Page 64 Problems with printing on page 58). In this case, load the driver called JP-150, which is specifically for the Acorn JP-150 printer. The Printer control window will change to include details of the printer driver you've just loaded, and so will the icon on the icon bar.
  • Page 65 Printing Choose Configure... to display the configuration window. Change any settings that aren't correct (refer to the manual supplied with your printer). The only options you'll need to worry about for now in this window are Resolution, Paper feed. .. and Quality. For example, you can set Paper feed...
  • Page 66 Printing a file Printing a file 1 Load the program If it's not there already, load the program or application you used to create the file. For instance, if you want to print an Edit file, you must first load Edit – click on the Apps icon, then double click on !Edit.
  • Page 67 Printing Another way of printing You can often print a file by dragging its icon and dropping it on the printer icon bar icon. 1 Follow step 1 from the previous section For example, load Edit. 2 Open the directory containing the file's icon For example, open the TestFiles1 directory on your workdisc, that you created in the previous chapter.
  • Page 68 Problems with printing Problems with printing The most common problems with printing occur in the setup stage. If your computer thinks it is connected to the wrong printer, you will have trouble. Take care with the following when you set up: •...
  • Page 69: Power Considerations

    Power considerations his chapter tells you how to use the computer's rechargeable battery pack, the power adaptor, and !BatMgr (the battery manager). It's essential that you read this chapter, as it contains important safety guidelines. Overview Because your computer is portable, it has different power requirements from a desktop computer.
  • Page 70: Using The Battery

    Using the battery Using the battery Your portable computer is designed so that you can use it on the move without connection to an external power supply until the battery is discharged. It's a good idea to buy a spare battery, so that you've got a fully-charged battery handy (make sure you charge it fully!).
  • Page 71 Power considerations Removing and fitting a battery IMPORTANT: Follow the instructions in Safety guidelines on page 59 for disposing of exhausted battery packs. You can buy spare and replacement rechargeable batteries from your supplier. To change the battery: 1. Save your work, then switch off the computer at the ON/OFF switch on the front (follow the instructions in Switching off the computer on page 71).
  • Page 72 Using !BatMgr – the battery manager Using !BatMgr — the battery manager !BatMgr is an application that • tells you how much power is left in the battery • warns you when battery power is getting low. You can use it to •...
  • Page 73 Power considerations 4. Click on the Applications icon in this window – the Application auto-start window will appear. 5. Click on the box to the left of BatMgr's icon. You can toggle this option on and off by clicking on it. A star in the box means BatMgr's icon will always appear on the icon bar;...
  • Page 74 Using !BatMgr – the battery manager At this stage, you only have a few minutes left. You need to unblank the screen – move the mouse or press a key, or open the lid if it's closed. Then you've got two options, depending whether or not you can use the adaptor: If you have got the adaptor with you, and you're near an external power supply: 1.
  • Page 75 Power considerations Conserving battery power with BatMgr You might want to conserve battery power because • you're getting low on power but need to finish some work; • you've got a fully charged battery but know you'll be using the computer for a long time before you get a chance to recharge again.
  • Page 76 Using !BatMgr — the battery manager When you change the battery Whenever you replace the battery, the computer doesn't know how much charge the new battery has. The BatMgr indicator will show a question mark: (You'll also see the question mark if you've taken the battery out of the computer and are powering the computer using only the adaptor.) If you put in a battery and connect the adaptor, the battery will start charging.
  • Page 77: On The Move

    On the move chapter gives hints guidelines using your computer on the move. Your portable computer gives you the freedom to work wherever you want – not just in the office, classroom or at home, but even when you're on the move. Follow the advice in this chapter and travelling with your computer should be hassle-free.
  • Page 78: Power Requirements

    Foreign travel • The Portable Handbook This is always handy to have around, and doesn't take up much room. • The RISC OS 3 User Guide and the RISC OS 3 Applications Guide You're more likely to keep these in one place (wherever you use the computer most often) but if you're going to be away for a long time, you might consider taking them along.
  • Page 79 On the move Before you leave To avoid an unnecessary delays at customs, you're advised to contact the local customs office before you travel. They will advise you on the procedure for taking your portable computer into another country. Ask them in advance for any forms you'll need to fill in.
  • Page 81: Switching Off The Computer

    Switching off the computer chapter describes correct procedure follow before switching off your computer. Normal shutdown procedure When you've been doing some work on the computer and want to switch it off, you can simply switch off using the ON/OFF switch on the front of the computer. However, you'll lose any unsaved work this way.
  • Page 82 The power adaptor Note: A quicker way to shutdown the computer is to use the hotkey combination Ctrl Shift FN F2 ( see Fl1 and F12 keys on page 36). The computer will perform any 'tidying-up' _ perations necessary, such as quitting any applications, logging off any networks to which you may be connected, and parking the hard disc drive heads.
  • Page 83: If Things Go Wrong

    If things go wrong his chapter offers solutions to some problems you might encounter while you I are getting started with your computer. If none of these help, consult your supplier. No picture Check that • the screen has not simply blanked as a result of the Blank delay set in !Configure ( if this is the case, moving the mouse or pressing the Shift key will restore the display) •...
  • Page 84 See the chapter entitled Resetting and power-on in the RISC OS 3 User Guide, which tells you how to restore your computer to its default (factory) configuration. Note: some defaults are different on this computer: Keyboard delay 25 (centiseconds) Keyboard repeat 6 (centiseconds) Screen blank time 5 (min)
  • Page 85 If this doesn't cure the problem, the computer's internal CMOS RAM support battery may be faulty. Take the computer to your Acorn supplier, who will investigate. The self-test does not complete properly...
  • Page 86 The battery indicator flashes The battery indicator LED can flash for a variety of reasons. Here's a description of what the different types of flash mean: Flash Flash Blink (green) (amber) (green) (red) (red) Normal discharge Trickle Quick Charger fault** Low battery Forced OR computer switched off...
  • Page 87: Glossary

    Glossary glossary defines terms that have come across in the guide. Terms in italics have their own definitions in this glossary. adaptor — See power adaptor. ADFS —Advanced Disc Filing System (see the RISC OS 3 User Guide for more information). adjust button —...
  • Page 88 brightness control — A control for altering the brightness of the LCD screen backlight. backup — A copy of an important file (or directory, or even a whole disc). byte — A unit of storage, which consists of eight bits (ones or zeros) of information. CapsLock key —...
  • Page 89 Econet — This is a means of connecting two or more computers together so that they can communicate with each other and share information. It is a type of Local Area Network (LAN) produced by Acorn. Contact your supplier for details. eject — Press the disc eject button to eject a floppy disc.
  • Page 90 high density floppy disc — Floppy disc capable of holding 1600KB of information when formatted under ADFS (1440KB under MSDOS). hotkey — A keyboard short-cut that enables you to perform a specific action or operation more quickly. icon bar – Strip along the lower edge of the desktop showing icons for devices and applications currently accessible from the computer's memory.
  • Page 91 Glossary MonitorType — A computer variable that determines which screen modes your monitor can display. mouse — Small plastic box with three buttons on top and a cable attaching it to the computer. Hold it in your right hand, if you're right handed. Moving it moves the pointer on the screen.
  • Page 92 RAM — Random Access Memory – part of the computer information storage system which is accessible for storing or retrieving information without using discs. Information in RAM is lost when the computer is switched off. resources — The means with which your computer runs programs and applications. Return key—...
  • Page 93 Glossar submenu — Menu accessed by moving the pointer over an arrow on a main menu. system application — Contains some of the resources that are common to all applications. Task manager — Icon on righthand side of icon bar. Use it to control how the computer uses its memory.
  • Page 95: Index

    Index Symbols resources 44 saving your work 42, 48 !BatMgr starting 41, 46 auto-starting 62 using 41-44 !BatMgr – see batteries 62 using from floppy discs 41 !Configure 62 Apps autostarting applications 62 ! directory 13, 41 Maestro 6, 45 icon 13 $ (root directory) 44 automatic shutdown 64...
  • Page 96 Index Delete key — see keyboard deleting files 50 CapsLock key 42 deleting text or objects 34 CapsLock key — see keyboard desktop 6, 7 caret 24 destination disc 31 moving in Edit 42 device icons 8 charging batteries 60 directories checking for FN mode —...
  • Page 97 Index FN mode 35-39 accessing F11 and F12 keys 36 F11/F12 keys – see FN mode checking for FN mode 39 file structure 46 cursor/page control mode 37 Filer menu 47 locking and unlocking 38 files moving the pointer 36 access 51 numeric keypad mode 37 application directory icons 45...
  • Page 98 Index files 45 selecting and deselecting 49 !Maestro 6, 45 input focus memory 80 changing 43 memory allocation inserting and ejecting floppy discs – see floppy using the task manager 8 discs Menu button invert video – see hotkeys displaying menus 22 Menu button –...
  • Page 99 Index conserving batteries 65 estimating battery charge state 66 naming files and directories 24, 47 fitting new battery pack 61 New directory option 47 powering with batteries 60 no picture 73 recharging batteries 60 numeric keypad mode – see FN mode safety guidelines 59 NumLock key shutdown 71...
  • Page 100 Index RESET button 74 automatic shutdown on low battery resizing windows – see windows power 64 resources 44 slider – see windows source disc 31 restarting the computer 72 special characters Return key – see keyboard typing 40 RISC OS 7 spindown delay desktop 6, 7 setting 65...
  • Page 101 Index windows 13 adjust size icon 14 back icon 14 close icon 14, 17 closing with Adjust 46 dragging off the screen 15 features 13 manipulating 14-20 obscuring the icon bar 15 resizing 15 scroll arrows 18 scroll bars 18 scrolling 17 scrolling techniques 19-20 shuffling 16...
  • Page 102 Index...
  • Page 103 Reader's Comment Form Acorn A4 Welcome Guide We would greatly appreciate your comments about this Manual, which will be taken into account for the next issue: Did you find the information you wanted? Do you like the way the information is presented?

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