Page 14 Introduction to Your Treo™ 90 Handheld
Locking and unlocking the keyboard
To avoid accidentally pressing keys while your handheld is in your pocket, purse, etc., you can lock
the keyboard. Locking the keyboard helps conserve battery power, and prevents unintentional
creation and deletion of records. When the keyboard is locked, you cannot enter data or view
information on your handheld until you unlock the keyboard.
To lock the keyboard:
■Press and hold the power button for two seconds.
To unlock the keyboard:
1. Press and hold the power button for two seconds.
2. In the KeyLock Off dialog box, tap OK to unlock the keyboard.
Adjusting the display
Depending on the lighting conditions or temperature of the environment where you use your
handheld, you may need to adjust the brightness and color saturation of the display.
The Adjust Display dialog box contains two sliders. The upper slider adjusts color saturation and
the lower slider adjusts brightness. The display usually looks best at maximum brightness but you
may want to decrease the brightness to conserve battery power.
To adjust the display:
1. Press Option .
2. Type the letter Q.
3. Press the scroll buttons, or drag the top slider, to adjust the color saturation until you can see
the three shapes as distinctly as possible.
4. Hold Option and press the scroll buttons , or drag the bottom slider, to adjust the screen
brightness
Tip: You can also tap to the left or right of the sliders to fine tune the display settings.
5. Hold Option and press Return to finish.