CH 18 INPUT DEVICES

1
CH 18 - INPUT DEVICES

• KEYBOARDS
• MICE
• JOYSTICKS
• (MICROPHONE)

2
KEYBOARDS

• TYPES
• FUNCTION
• INTERFACE
• TROUBLE SHOOTING
• REPAIR

3
TYPES

• 83 KEY PC AND XT
• DETACHABLE
• IMPROVABLE
• 84 KEY AT - IMPROVED KEY SIZING
• 101KEY - SEPARATE ARROW - NUM PAD
• 104 KEY- 101 3 WINDOWS KEYS
• VERTICAL ERGONOMIC
• F AND J NUBS
• SPLIT
• PORTABLE - NO STANDARD
• INFARED
• WIN95/98-VARIOUS WINDOWS FUNCTIONS

4

• KEYBOARD TECHNOLOGY
• MECHANICAL - 20 MILLION KEY STROKES
• FOAM - MUSHY FOIL LAYER, CORROSION
• RUBBER DOME - RELIABLE CARBON BUTTON
• MEMBRANE - HARSH ENVIORNMENTS
• CAPACITIVE - DURABLE, 25 MILLION KS
• ALWAYS HAVE A SPARE!

5
KEYBOARD INTERFACE

• SENDS 11 BITS (8 DATA)
• DEBOUNCE
• REPEAT SPEED (TYPEMATIC)
• DELAY - TIME TILL REPEAT
• TURBO CHARGE (DOS)
• mode con rate32 delay1
• default
• OVERRIDE BY WINDOWS
• SCAN CODES IDENTIFY PROBLEM KEY
• KEY NUMBERS, ON CD SCAN CODES AS HEX DIGITS

6

• CONNECTIONS
• DIN
• MINI-DIN
• PIN/SOCKET
• OTHER FEATURES
• CORDLESS - INFRARED
• QWERTY vs DVORAK-DEALY
• PROGRAMMABLE FUNCTIONS - GATEWAY
• INTERNATIONAL LAYOUTS
• GERMAN, FRENCH, SPANISH - OK WITH CHARACTER MAP
  - INSTALL MANY LAYOUTS
• CHINESE, RUSSIAN, JAPANESE - DIFFERENT KEYBOARD
  OR SPECIAL SOFTWARE

7

• USB KEYBOARDS MICE
• NEED USB PORT
• USB LEGACY BIOS SUPPORT
• CONFIGURE HOST CONTROLLER
• ENABLE USB KEYBOARD AND MOUSE
• SET UP HOST SCHEDULER
• O/S WITH KEYBOARD DRIVERS (WIN98, NT 5.0)
• OLD BIOS MIGHT HALT BOOT
• ERGONOMIC KEYBOARDS
• SPLIT
• VERTICAL
• WRIST SUPPORT

8

• TROUBLE SHOOTING
• DEFECTIVE KEYS
• CABLES - CANT BOOT?
• STUCK KEYS
• O J, COFFEE, 3 COURSE MEALS, HAIR, LINT, SKIN
• SWAP KEYBOARDS
• NDIAGS (NORTON) TO IDENTIFY KEY

9

• CHECK VOLTAGES (CAREFULLY)
• DISASSEMBLE - HUNDREDS OF PARTS
• CABLE
• CASE
• KEYPAD ASSEMBLY
• KEYCAPS
• KEEP AN OLD KEYBOARD (1000s)
• CLEANING
• VACUUM OUT SNACKS
• REMOVE KEYCAPS (EXCEPT SPACE BAR)
• DRENCH IT WITH WATER (AFTER DISCONNECTING)
• REPLACING
• AGAIN - TYPE OF CONNECTOR - SOME COME WITH
  ADAPTERS.

10
MICE

• MOUSE - PAGE 1023 - PICTURE INSIDES
• TRACKBALL (UPSIDE DOWN MOUSE)
• HOUSING
• ROLLING BALL (OPTICAL)
• BUTTONS (1 FOR MAC, 2, 3 FOR OTHERS)
• CABLE (INFARED)
• INTERFACE (INFARED)
• SERIAL
• BUS
• DEDICATED MOTHERBOARD MOUSE PORT
• USB
• MOST ADVANCED, HOT SWAPPABLE, HUB ATTACHMENT
  (KYBD), PRICE COMING DOWN

11
TROUBLE SHOOTING

• HARDWARE
• DIRTY - CLEAN ROLLERS
• IRQ CONFLICTS
• MSD
• NORTONS
• DEVICE MANAGER (WIN95)
• MOTHERBOARD - DISABLE FOR SERIAL OR BUS
• SOFTWARE
• CHECK CONFIG.SYS
• CHECK AUTOEXEC.BAT
• DRIVER 9.01 FROM MICROSOFT
• STEP THROUGH THE BOOT SEQUENCE

12

• INTELLIMOUSE - SCROLLING MOUSE
• BUTTON BETWEEN BUTTONS FOR SCROLLING WINDOWS
• SET HOW MANY LINES TO SCROLL-3, 6, SCREEN
• TRACKPOINT II/III/IV
• STICK BETWEEN G AND H
• GOOD FOR TOUCH TYPISTS
• GLIDEPOINT/TRACK PADS
• FINGER PRESSURE
• MOISTURE AND SKIN RESISTANCE
• SLOWS DOWN TYPING
• GOOD FOR PORTABLES

13

• TRACKBALLS - UPSIDE DOWN MICE
• GOOD FOR RSI WRIST PROBLEMS
• EASY TO CLEAN
• UPRIGHT MOUSE
• JOYMOUSE?
• HANDSHAKE GRIP
• JOYSTICKS, YOKES, GAME ADAPTERS
• BUTTONS
• VARIABLE RESISTORS
• D15 CONNECTOR
• USB FASTER
• COMPATIBILITY

14

• CUECAT - BAR CODES PLUS
• TAKES YOU AWAY TO A WEB SITE
• FREE AT RADIO SHACK
• CONNECT TO COMPUTER TO TV AND GET AUDIO BAR CODE
  FROM SOUND TRACK
• LOSS OF PRIVACY
• GOING WIRELESS
• INFRARED - NEED LINE OF SIGHT - REAIM
• WIRELESS - OMNIDIRECTIONAL
• LOGITECH, INTEL, MICROSOFT, OTHER
• ISSUES
• LINE OF SIGHT
• RADIO FREQUENCY INTERFERENCE

15

• BATTERY LIFE - HAVE SPARES!!!
• USE EXPERIENCE
• TROUBLE SHOOTING
• BATTERY FAILURE
• LOST SYNCHRONIZATION
• INTERFERENCE
• BLOCKED LINE OF SIGHT
• SERIAL IRQ CONFLICT
• DISCONNECT TRANSMITTER/RECEIVER
• USB LEGACY SUPPORT

16

• RUNNING WINDOWS WITHOUT A MOUSE-- GOOD IN A PINCH
  - ALSO SOMETIMES MUCH MORE EFFICIENT! PAGE 1000,
  1001
• GENERAL KEYBOARD COMMANDS
• DIALOG BOX COMMANDS
• WINDOWS EXPLORER
• FOLDER/SHORT CUTS
• FOLDER WINDOWS EXPLORER SHORT CUTS FOR A
  SELECTED OBJECT
• FUTURE POINTING DEVICES
• FEELIT - 3D ICONS, WINDOW EDGES
• TEXTURES, LIQUIDS, SURFACES, VIBRATIONS
• RETINA POINTERS