| 摘要 |
A wireless handset (100) includes at least one processor (104) and is configured to shutdown at least one of a display (108), display backlight and keypad backlight of the handset (100). A first timer is set (132) when the display (108) is turned on, and the first timer is started to time a display time-out period. If a keypad entry is made (134) by a user during the timeout period, the first timer is reset. On the other hand, if a keypad entry is not made (134) by the user before the time-out period expires, the display (108) is shut off (138) to conserve power. Likewise, a time-out period can be implemented to control automatic shut-off of the power-consuming features such as display backlight and a keypad backlight. Features can be included to automatically re-enable shut-down features upon the occurrence of events such as the receipt of an incoming call, a keypad entry (134), or the opening of a flip panel on the handset. |
