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SERVSWITCH™ SPECTRA

• Any monitor you connect to the Spectra needs to

be able to support the highest video resolution and
refresh rate that either of your CPUs can generate.
For example, if one of your computers only needs
its monitor to display 640 x 480 pixels at 60 Hz, but
the other one needs its monitor to display 1280 x
1024 pixels at 75 Hz, make sure to use a monitor
that can display at least 1280 x 1024 pixels at 75 Hz.

• Any keyboard you attach to the Spectra should

be a standard type. The Spectra doesn’t support
keyboards with special power keys, sleep-mode keys,
embedded touchpads or microphones, etc.

Also, whereas older keyboards have 101 or 102

keys, keyboards designed specifically for Microsoft
Windows

®

95, Windows 98, and Windows 2000 have

104 or 105 keys. 101-/102-key keyboards don’t have
the Windows Start (

) and Windows Application

(

) keys, and there’s no way they can perform the

functions of those keys. Similarly, there’s no way
you can use a two-button mouse to perform all of
the functions of a three-button mouse. For these
reasons, we recommend that you use a Windows
keyboard if

any

of your applications require the

Windows keys, and use a three-button mouse if

any

of your applications require the center mouse button.

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Содержание SERVSWITCH Series

Страница 1: ... Do you have just two PCs and need an economical alternative to keeping two monitors keyboards and mice on your desk Or do you need to share dozens of computers including a mix of IBM PC RS 6000 Apple Macintosh Sun Microsystems and SGI compatibles among multiple users with different access levels Does your switch have to sit solidly on a worktable and use regular everyday cables Or does it have to...

Страница 2: ...rademarks and PC XT is a trademark of International Business Machines Corporation Microsoft Windows and IntelliMouse are registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries Sun and Sun Microsystems are registered trademarks of Sun Microsystems Inc in the United States and other countries Any other trademarks mentioned in this manual are acknowle...

Страница 3: ... this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This digital apparatus does not exceed the Class A limi...

Страница 4: ...avabo sótano mojado o cerca de una alberca etc 6 El aparato eléctrico debe ser usado únicamente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito en las instrucciones de operación Tod...

Страница 5: ...contactos y receptáculos donde salen del aparato 14 El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deberá ser localizada lejos de las lineas de energia 16 El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomado de tal manera qu...

Страница 6: ...pectra s Optional Mounting Plate 18 3 2 Things to Keep in Mind Before You Install 18 3 3 Connecting the Monitor Keyboard and Mouse 22 3 4 About the CPU Cables 24 3 5 Connecting the CPUs 26 3 6 Powering Up the System and Switching from the Keyboard 27 4 Operation 30 4 1 Keyboard Command Summary 30 4 2 Select a CPU or Switch to the Other CPU 34 4 3 Start Stop Scanning 34 4 4 Stop Restart Audio Switc...

Страница 7: ...Troubleshooting 43 5 1 Resetting the Spectra 44 5 2 Restoring Factory Default Settings 46 5 3 Common Problems 47 5 3 1 CPU Doesn t Boot 47 5 3 2 Can t Switch Ports from Keyboard 48 5 3 3 Typed Characters Are Wrong or Missing 50 5 3 4 Mouse Driver Doesn t Load 50 5 3 5 Can t Access Mouse Functions 50 5 3 6 Mouse Gets Out of Sync 51 5 3 7 Mouse Doesn t Move Pointer Cursor 51 5 3 8 Display is Fuzzy 5...

Страница 8: ...ith Docking Station 54 5 3 13 Spectra Doesn t Work with Dongle Protected Software 54 5 3 14 Spectra Doesn t Work with IBM ThinkPad 54 5 4 Calling Black Box 55 5 5 Shipping and Packaging 56 Appendix A NVRAM Factory Defaults 57 Appendix B Surface Mounting the Spectra 59 Appendix C Commands for Advanced Users 64 C 1 Set Keyboard Mode 64 C 2 Set Keyboard Typematic 67 ...

Страница 9: ... video With coaxial cabling XGA video Interfaces Video pinned as VGA standards listed above IBM PS 2 keyboard and mouse with adapters also supports IBM PC AT keyboards and CPUs with PC AT keyboard ports as well as when EHN408 cables are used CPUs with serial mouse ports 3 5 mm stereo audio Resolution and Refresh Rate With standard CPU Extension Cable Up to 1024 x 768 noninterlaced at up to 75 Hz W...

Страница 10: ...ideo resolution User Controls Keyboard commands Top mounted CPU selection pushbutton Rear mounted reset pushbutton Indicators 2 Front mounted selected CPU LEDs Connectors All rear mounted To user station 1 HD15 female to VGA monitor 2 6 pin mini DIN female 1 to PS 2 keyboard 1 to PS 2 mouse 1 3 5 mm jack to speakers headphones To CPUs 2 HD15 female to video output ports 4 6 pin mini DIN female ...

Страница 11: ...mum Altitude 10 000 ft 3048 m Temperature Tolerance 32 to 131 F 0 to 55 C Humidity Tolerance 5 to 80 noncondensing Enclosure High impact plastic Power 5 VDC at up to 1 amp from the keyboard power leads of the attached computers Size 6 2 H x 2 7 W x 5 D 15 7 x 6 9 x 12 7 cm Weight Net 1 lb 0 5 kg Shipping 2 lb 0 9 kg ...

Страница 12: ...use to access two different IBM compatible PCs so you can cut down on the clutter on your desk and save money on equipment 2 1 The Complete Package The only extra things that come with the basic ServSwitch Spectra product code SW681A are a mounting plate and this manual The ServSwitch Spectra Kit SW681A K also includes two standard 10 ft 3 m CPU Extension Cables The Cables are available separately...

Страница 13: ... as the Microsoft IntelliMouse Support for VGA SVGA and XGA video at resolutions up to 1600 x 1280 pixels at refresh rates up to 100 Hz although XGA requires coaxial cables It uses some of the power that the attached computers would normally send to their keyboards so you don t have to plug it into an AC outlet You can select the CPU you want with your keyboard or the button on top of the Spectra ...

Страница 14: ...External Controls Indicators and Connectors There s a pushbutton on the top of the ServSwitch Spectra that you can press to switch between the two CPUs There s also a pair of LEDs on the Spectra s front panel labeled with the Roman numerals I and II that tell you whether the corresponding CPU is selected I for CPU 1 II for CPU 2 All cable connections are made at the ServSwitch Spectra s rear panel...

Страница 15: ...15 CHAPTER 2 Introduction Figure 2 1 The rear panel of a ServSwitch Spectra Reset switch CPU 2 area CPU 1 area User station area ...

Страница 16: ... 2 video output port to this port Keybd 6 pin mini User area Plug your keyboard into this port DIN F Each CPU area Run cable from the CPU s keyboard port to this port Mouse 6 pin mini User side Plug your mouse into this port DIN F Each CPU area Run cable from the CPU s mouse port to this port Audio 3 5 mm User side Plug your speakers stereo F or headphones into this port Each CPU area Run cable fr...

Страница 17: ...Spectra and reset button the attached keyboard and upper left mouse press and release this button see Section 5 1 To restore the Spectra to its factory default settings hold down both this button and the CPU selection button on top of the Spectra see Section 5 2 ...

Страница 18: ...ce with its included mounting plate For directions on doing this see Appendix B 3 2 Things to Keep in Mind Before You Install Any CPU you connect to the ServSwitch Spectra must meet these guidelines It needs to be IBM PC compatible not Apple Macintosh or some other non PC hardware type The Spectra can support many older PCs but it probably won t work with computers made before about 1989 It needs ...

Страница 19: ...h a serial mouse port you ll need coaxial CPU Extension Cable EHN408 standard cable doesn t carry all of the necessary wires and a mouse port adapter such as product code FA312 Some older IBM ThinkPad laptops handle mouse data differently from other computers in a way that the Spectra doesn t support So we don t recommend attaching older ThinkPad computers to the Spectra either directly or through...

Страница 20: ...support keyboards with special power keys sleep mode keys embedded touchpads or microphones etc Also whereas older keyboards have 101 or 102 keys keyboards designed specifically for Microsoft Windows 95 Windows 98 and Windows 2000 have 104 or 105 keys 101 102 key keyboards don t have the Windows Start and Windows Application keys and there s no way they can perform the functions of those keys Simi...

Страница 21: ...M driver it should be version 4 0 at least and preferably version 9 01 or higher When you first switch between the two CPUs you might notice that their mouse sensitivity how far or fast their pointer cursor moves in response to the mouse is different This is normal You ll usually be able to adjust each CPU s mouse sensitivity through its mouse Control Panel but the specifics vary depending on the ...

Страница 22: ...o the monitor port on the Spectra labeled 2 Plug your keyboard into the nearby PS 2 type keyboard port labeled If your keyboard is an old PC AT type with a larger 5 pin DIN connector you ll need a keyboard adapter such as product code FA211 3 Plug your mouse into the nearby PS 2 type mouse port labeled If your mouse is an old serial mouse with a D shaped DB9 or DB25 connector you ll need to get a ...

Страница 23: ...or speakers plug them into the nearby 3 5 mm stereo audio port labeled We don t recommend using headphones or speakers with the larger quarter inch plugs but if you have to you ll need audio adapters These are available at electronics and sound equipment shops ...

Страница 24: ...ther things that don t make heavy video demands If you ordered the Spectra kit you should have received a 10 ft 3 m length of this This cable is built with the special three in one design shown in Figure 3 1 on page 18 All of the keyboard video and mouse signals are carried by the cable s main strand At each end of the cable separate keyboard and mouse strands labeled with matching icons branch aw...

Страница 25: ...instead of VGA or SVGA This cable is built with the special bonded design shown in Figure 3 2 on page 19 The central coaxial video strand of each cable is molded to the keyboard and mouse strands on either side and the ends of its video strand are one inch 2 5 cm shorter than the ends of the other strands so that the weight of the composite cable can be borne by the video connector s screwlocks Th...

Страница 26: ...tach your CPUs to the ServSwitch Spectra Make sure your CPUs are turned OFF when you do this Attach one CPU which will be referred to in the rest of this manual as CPU 1 to the ports in the Spectra s CPU 1 area the gray middle section of the rear panel whose video port is labeled Attach the other CPU CPU 2 to the ports in the CPU 2 area the top section of the rear panel whose video port is labeled...

Страница 27: ...utput port to the audio port labeled in the Spectra s CPU 1 area 4 Repeat steps 1 through 3 for CPU 2 using the ports on the Spectra associated with video port 3 6 Powering Up the System and Switching from the Keyboard Power up the two CPUs attached to the ServSwitch Spectra one at a time giving the first one time to boot completely before turning ON the second one After you turn ON the first CPU ...

Страница 28: ...eatures refer to Chapter 4 for full details about the Spectra s commands which are summarized in Section 4 1 To begin switching immediately however just press and release your keyboard s left Control key Ctrl then within the next two seconds press and release the 1 or 2 key on the regular keyboard not the numeric keypad to switch to CPU 1 or CPU 2 respectively Figure 3 1 A standard CPU Extension C...

Страница 29: ...llation Figure 3 2 An end and a cross section of a coaxial CPU Extension Cable EHN408 HD15 Central video strand Keyboard and mouse strands molded to sides Cross section 9 22 9 cm 10 25 4 cm 6 Pin mini DIN 6 Pin mini DIN ...

Страница 30: ...wn in uppercase for clarity only Do not use the Shift Caps Lock or Alt keys while you type in commands Important For commands that include numbers don t use the number keys in your keyboard s keypad area use only the number keys at the top of your keyboard All of the Spectra commands have a two second timeout between characters This means that if you begin entering a command but you stop for more ...

Страница 31: ...ServSwitch Spectra s Keyboard Commands Command Keystroke Sequence Description Select CPU Ctrl 1 or Switches your monitor Ctrl 2 keyboard mouse and if enabled audio access to the specified CPU Switch to Ctrl Backspace Switches to the other CPU the Other for monitor keyboard CPU mouse and if enabled audio access Start Ctrl S Turns Scan mode ON Scanning causing the Spectra to scan back and forth betw...

Страница 32: ...and mouse Send Null Ctrl N Causes the Spectra to Byte to send a null byte to the Resync CPU s PS 2 mouse port Mouse Enter this command to correct the selected CPU if it gets out of sync with the mouse see Section 4 5 Reset Ctrl O Causes the Spectra to try Computer s to get the currently selected Mouse Port CPU to reset its PS 2 mouse port Only works if the CPU is running certain combinations of re...

Страница 33: ... Q1 Mode x 0 1 or 2 translates PS 2 mouse input to serial mouse output Q2 forces PS 2 wheel mouse output and Q0 resets to normal PS 2 non wheel mouse output Set Ctrl Mx Enter Tells the ServSwitch Spectra Keyboard x 1 2 or 3 the keyboard mode 1 2 or Mode 3 of the currently selected CPU See Appendix C Set Ctrl Axxx Sets the keyboard typematic Keyboard Enter automatic key repeat Typematic xxx decimal...

Страница 34: ...other computer the one you re not using right now but you re not sure what its number is enter the Switch to the Other CPU command Press and release the left Control key Ctrl then press the Backspace key You can always of course select either CPU by pressing the button on top of the Spectra 4 3 Start Stop Scanning To make the ServSwitch Spectra start scanning switching continuously back and forth ...

Страница 35: ...ords when you select a CPU with Ctrl 1 Ctrl 2 or Ctrl Backspace keyboard mouse video and audio access are all switched to that CPU and when you scan with Ctrl S the Spectra goes back and forth between the two CPUs audio as well as their keyboard mouse and video In some situations such as when you are listening to an audio CD or Web radio on one of the CPUs you might not want the audio to be switch...

Страница 36: ... Audio Switching command Press and release Ctrl then press and release G then press and release the 0 zero key at the top of your keyboard Audio will immediately be switched to the CPU that s currently selected for KVM access and audio will be switched and scanned along with KVM access as normal 4 5 Send Null Byte to Resynchronize Mouse CPUs with PS 2 Mouse Ports Only If your mouse starts acting f...

Страница 37: ...ooking at bytes in the wrong order and from two different packages so it always gets it wrong To get the CPU back in sync first try entering a Reset Mouse Driver command see Section 4 6 if the CPU is running a recent version of Windows If that doesn t work enter a Send Null Byte command to tell the Spectra to send a null byte to the CPU s PS 2 mouse port this has no other effect than getting the C...

Страница 38: ...roblem Sometimes the mouse can get stuck for other reasons and you ll have to press the Spectra s reset button to reinitialize it See Section 5 1 4 6 Reset Computer s Mouse Port If the currently selected CPU is running Windows NT or possibly Windows 98 or Windows 2000 depending on your mouse driver version and the PS 2 mouse gets out of sync see Section 4 5 for an explanation of this you can enter...

Страница 39: ...stem and or mouse driver don t support the reinitialization function Sometimes the mouse can get stuck for other reasons and you ll have to press the Spectra s reset button to reinitialize it See Section 5 1 4 7 Identify ROM Unfortunately as with all complex equipment problems might arise with your ServSwitch Spectra that you ll need help from a technical support person to fix One of the things te...

Страница 40: ...pectra s response To enter the Identify ROM command press and release the left Control key Ctrl then press and release I 4 8 Keep Settings The Keep Settings command saves the current state of the ServSwitch Spectra s keyboard selectable settings to nonvolatile memory NVRAM where they become the new default settings that are loaded when the Spectra is powered up To enter this command from your keyb...

Страница 41: ...et the scan delay time to the default value most recently saved in NVRAM Enter the Keep Settings command after you enter this command 4 10 Set Mouse Mode Normally the ServSwitch Spectra outputs plain vanilla non wheel PS 2 mouse data to the CPUs regardless of what type of mouse you ve actually plugged into it or what type of mouse port each of the attached CPUs has If either of the CPUs has a seri...

Страница 42: ...e Set Mouse Mode to PS 2 Wheel command Press and release the left Control key then type the letter Q followed by the number 2 and press and release Enter If later you attach a computer with a PS 2 mouse port and a non wheel mouse driver and you want to return to the standard mouse mode enter the Set Mouse Mode to PS 2 Non Wheel command Press and release the left Control key then type the letter Q ...

Страница 43: ...etailed in Section 5 1 and if that doesn t work Section 5 2 before doing anything else If the trouble is chronic see Section 5 3 Sections 5 4 and 5 5 discuss what s involved in calling Black Box and shipping your Spectra NOTE Like many other electronic products with non grounded plastic enclosures the ServSwitch Spectra can be susceptible to static discharges On rare occasions such discharges migh...

Страница 44: ...unplug it and then plug it back in and Ctrl N and Ctrl O don t help see Sections 4 5 and 4 6 or the Spectra itself seems to be malfunctioning press and release the reset button in the upper right corner of the Spectra s rear panel This button is unlabeled but is shown in Section 2 3 You might be able to press it with a finger but you might need to use a pencil or a paper clip instead This will res...

Страница 45: ... use the mouse but don t disable the mouse either take these precautions If you never actually use a mouse with that CPU either don t plug the mouse strand of the CPU Extension Cable into the CPU s mouse port or don t load a mouse driver at all If you do use the mouse are running Windows 3 x and sometimes exit to DOS make sure you load a DOS mouse driver before running Windows Advanced users If yo...

Страница 46: ...on on top of the ServSwitch Spectra 3 Press and release the reset button in the upper right corner of the Spectra s rear panel This button is unlabeled but is shown in Section 2 3 You might be able to press it with a finger but you might need to use a pencil or a paper clip instead 4 Release the CPU selection button The unit should be restored to the factory default settings listed in Appendix A N...

Страница 47: ...orrect C If the configuration is OK check your cables Tighten any loose connections If the keyboard and mouse strands of the CPU Expansion Cable are backwards plug them into the proper ports the mouse connectors are always green D If you don t find a cable error try swapping in different keyboards and or mice one at a time If the problem goes away when you substitute a keyboard or mouse the one yo...

Страница 48: ...n t boot the CPU s keyboard or mouse port or other components might be defective If the CPU s Power LED doesn t light the fuse on the CPU s motherboard might be blown If you still have them plug that CPU s original monitor keyboard and mouse into it and try again If the CPU does not boot with its original equipment something in the CPU is defective call the CPU s manufacturer If the CPU does boot ...

Страница 49: ...e the port s mode see Appendix C Unfortunately sometimes this situation can confuse the CPU or keyboard so badly that you ll need to reboot the CPU E If the keyboard and mouse strands of the CPU cable are backwards plug them into the proper ports the mouse connectors are always green F You might be using the keyboard incorrectly Make sure to use the left Control key to start port switching command...

Страница 50: ...time Make sure that all cables are firmly attached and that the Spectra is receiving power from the other computer then reboot the affected CPU B Your mouse driver might be old or incompatible with your mouse Try the latest version of the Microsoft mouse driver 5 3 5 YOU CAN T ACCESS ALL THE FUNCTIONS OF YOUR MOUSE A What type of mouse is it If it s any type other than a PS 2 compatible two button...

Страница 51: ...elected CPU is running Windows NT or some other recent version of Windows issue the Reset Computer s mouse Port command see Section 4 6 Otherwise issue the Send Null Byte command see Section 4 5 one two or three times You need the latest version of the Microsoft mouse driver to stop this from happening 5 3 7 YOUR MOUSE DOESN T MOVE THE POINTER CURSOR A What type of mouse is it If it s any type oth...

Страница 52: ... Check the settings of your monitor especially the sharpness control B If you can t solve the problem by changing the monitor settings you might have run cable too far maximum distance of extension cable from any CPU to the ServSwitch Spectra is 20 ft 6 1 m or less if you are using high resolution video You might need to upgrade from standard cables to coaxial cables that carry the video signal be...

Страница 53: ...your cables one at a time If the problem goes away when you substitute a cable the cable you were using is probably defective E If swapping cables doesn t solve the problem try plugging the CPU into the other CPU port on the ServSwitch Spectra If the problem goes away when the CPU is connected to the other port the first port s video connector is probably defective 5 3 10 YOUR VIDEO IS OK IN LOW R...

Страница 54: ...n t support some docking stations for portable computers 5 3 13 THE SPECTRA DOESN T WORK WITH YOUR DONGLE PROTECTED SOFTWARE The ServSwitch Spectra doesn t support some dongles the devices required to be inserted into the keyboard line by some software for copy protection 5 3 14 THE SPECTRA DOESN T WORK WITH YOUR IBM THINKPAD The ServSwitch Spectra supports only stream mode continuous mouse data I...

Страница 55: ...rts Call Black Box Technical Support at 724 746 5500 Before you do make a record of the history of the problem We will be able to provide more efficient and accurate assistance if you have a complete description including the nature and duration of the problem when the problem occurs the components involved in the problem any particular application that when used appears to create the problem or m...

Страница 56: ...arefully We recommend that you use the original container If you are shipping the Spectra for repair make sure you include the CPU cables you re using with it If you are returning the Spectra make sure you include everything you received with it Before you ship contact Black Box to get a Return Authorization RA number ...

Страница 57: ...nge these settings and how to save the changed settings to NVRAM so that they become the new defaults loaded when the Spectra is powered OFF and back ON again Option Factory Default To Change To Save Setting Changes Caps Scroll Num Lock Select port Can t be saved Num Lock ON fixed then press the corresponding button on the keyboard Scan OFF Type Ctrl Can t be saved S to turn ON or Ctrl X to turn O...

Страница 58: ...e type Ctrl Mx x 1 2 or 3 Keyboard 43 delay of Type Ctrl Ctrl K Typematic 1 2 second Axxx Enter rate of 10 9 xxx 0 to 127 see characters per Appendix C second Mouse PS 2 non wheel Select CPU then Ctrl K Mode for each type Ctrl Q1 computer Enter for serial or Ctrl Q2 Enter for PS 2 wheel or Ctrl Q0 Enter for PS 2 non wheel ...

Страница 59: ...e strips or b strips of Velcro or similar hook and loop material with adhesive on both sides If possible these should be thick from top to bottom between the adhesive layers and narrow from side to side Once you have these in hand take these steps referring to Figure B 1 on the next page 1 If you look at the bottom of the Spectra you ll see that it has a recessed track with wraparound flanges on e...

Страница 60: ...e s wings on either side of the middle groove You might have to trim these strips if they re wide enough to interfere with sliding the Spectra on and off of the plate 3 Press the Spectra plate and adhesive material firmly onto the mounting surface To surface mount the Spectra with screws you ll need a pair of screws that are appropriate for the material and thickness of the mounting surface Make s...

Страница 61: ...ove is lower than its wings Align the holes in the plate with the screwholes in the surface 3 Screw your selected pair of screws through the holes in the mounting plate into the screwholes in the surface Make these screws tight enough that the plate doesn t move when you jiggle or bump it 4 If you look at the bottom of the Spectra you ll see that it has a recessed track with wraparound flanges on ...

Страница 62: ...62 SERVSWITCH SPECTRA Figure B 1 Semi permanent surface mounting with adhesive strips ...

Страница 63: ...63 APPENDIX B Surface Mounting the Spectra Figure B 2 Permanent surface mounting with screws ...

Страница 64: ... use mode number 2 is the one used by the vast majority of CPUs It is also the default state of all 101 key and PS 2 keyboards Mode 1 is used primarily by certain PS 2 CPUs Mode 3 is used by some servers and UNIX workstations The ServSwitch Spectra supports all three of these modes and translates between them As it receives signals from your keyboard it sends them to the currently selected CPU whi...

Страница 65: ...ed down then default to each port s most recently saved setting when it s powered up again The Spectra can t detect the CPU s keyboard mode if the CPU doesn t send mode commands most CPUs that use mode 2 fall into this category or if the CPU is already ON when you connect it to the Spectra it shouldn t be In these situations the Spectra tries to use the keyboard mode setting stored in its nonvolat...

Страница 66: ...ter the Keep Settings command to save the mode setting in NVRAM so that the new setting becomes the default value preserved during power down and reloaded at power up If either of the CPUs you ll be connecting to your Spectra system use a keyboard mode other than 2 you might want to change the defaults of the affected CPU port s of the Spectra at installation time This is because if the Spectra is...

Страница 67: ...plication To change the typematic setting of your keyboard issue the Set Keyboard Typematic command Press and release the left Control key type A followed by the desired typematic value and press Enter The typematic value is the decimal equivalent of the binary seven bit typematic setting While the typematic setting delay bits rate bits the typematic value decimal delay value decimal rate value se...

Страница 68: ...TCH SPECTRA Table C 1 Typematic Delay Decimal Binary Delay Before Key Repeats Value Bit Values 0 00 xxxxx 1 4 second 250 ms 32 01 xxxxx 1 2 second 500 ms 64 10 xxxxx 3 4 second 750 ms 96 11 xxxxx 1 second 1000 ms ...

Страница 69: ...alues Keys per Second 0 xx 00000 30 1 xx 00001 26 7 2 xx 00010 24 3 xx 00011 21 8 4 xx 00100 20 5 xx 00101 18 5 6 xx 00110 17 1 7 xx 00111 16 8 xx 01000 15 9 xx 01001 13 3 10 xx 01010 12 11 xx 01011 10 9 12 xx 01100 10 13 xx 01101 9 2 14 xx 01110 8 6 15 xx 01111 8 16 xx 10000 7 5 17 xx 10001 6 7 18 xx 10010 6 ...

Страница 70: ...at Rate in Value Bit Values Keys per Second 19 xx 10011 5 5 20 xx 10100 5 21 xx 10101 4 6 22 xx 10110 4 3 23 xx 10111 4 24 xx 11000 3 7 25 xx 11001 3 3 26 xx 11010 3 27 xx 11011 2 7 28 xx 11100 2 5 29 xx 11101 2 3 30 xx 11110 2 1 31 xx 11111 2 ...

Страница 71: ...71 NOTES ...

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