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  1. Turn the calculator over so that the blue Texas Instruments logo is up.
    • Turn the calculator over so that the blue Texas Instruments logo is up.

    • Slide the blue case downward until it is completely removed from the calculator.

  2. Step 2 and 3 to detach the keyboard are optional, but may prevent permanent damage to the calculator.
    • Step 2 and 3 to detach the keyboard are optional, but may prevent permanent damage to the calculator.

    • Turn the calculator over and locate the sliding latch on the back of the calculator.

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  4. At the same time, slide the latch to the right and pull the keypad downward.  This should completely separate the keypad from the calculator. At the same time, slide the latch to the right and pull the keypad downward.  This should completely separate the keypad from the calculator.
    • At the same time, slide the latch to the right and pull the keypad downward. This should completely separate the keypad from the calculator.

  5. Now that you have detached the keypad, gather the cotton swabs and rubbing alcohol.
    • Now that you have detached the keypad, gather the cotton swabs and rubbing alcohol.

    • Dampen a cotton swab by placing 1 to 3 drops of rubbing alcohol on the tip.

    • Be careful not to completely soak the the cotton swab with the rubbing alcohol.

    • DO NOT pour the rubbing alcohol directly onto the keypad. Too much liquid exposure can permanently damage it.

  6. Use the moistened cotton swab and rub it around each button, in crevices, and anywhere on the keypad that may have dirt. Replace the swab as often as desired.
    • Use the moistened cotton swab and rub it around each button, in crevices, and anywhere on the keypad that may have dirt. Replace the swab as often as desired.

    • Keep the rubbing alcohol away from the calculator's visual display. Water exposure to the screen can permanently damage the screen.

Abschluss

Now your buttons should be free of any stickiness.

Mariel Sanchez

Mitglied seit: 27.09.2012

1 Reputation

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Team

Cal Poly, Team 7-52, Forte Fall 2012 Mitglied von Cal Poly, Team 7-52, Forte Fall 2012

CPSU-FORTE-F12S7G52

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