Texas Instruments CBL 2 manual Turning on and turning off the TI-73 Explorer, Automatic Power Down

Turning on and turning off the TI-73 Explorer™

•To turn on the TI-73 Explorer, press ^located at the lower left corner of the device.

•To turn off the TI-73 Explorer, press -, and then the ^key. The next time you turn on the TI-73 Explorer, the Home screen appears with the same settings and memory contents retained.

Automatic Power Down™

The Automatic Power Down™ (APD™) feature prolongs battery life by turning off the TI-73 Explorer automatically after five inactive minutes.

When you turn on following APD, the handheld device displays the same information displayed before APD, retaining the same cursor position, settings, memory contents, and any error conditions.

Note: Avoid depleting your batteries by turning off your TI-73 Explorer when not in use.

Adjusting the display contrast

Display brightness and contrast depend on factors such as room lighting, battery freshness, and viewing angle. To adjust the contrast:

1.Press and release -.

2.To darken the screen, press and hold $.

— or —

To lighten the screen, press and hold #.

Note: The flashing cursor (Ù) changes to Ûwhen you press the -key.

As you adjust the setting, a number from 0 (lightest) to 9 (darkest) appears at the upper right corner of the screen.

Note: If the contrast setting is too light or dark, the number will not be viewable.

© 2003 Texas Instruments Incorporated. 5