BenQ Z2 - Manual (Page 127)

Menus 111
Settings
Date & Time
Used to set the time and date, as well as the format in which they are
displayed on the screen.
Auto Power On/Off
Allows you to specify a time for the phone to be automatically turned
on or off.
1. Select Power On or Power Off.
2. Push the Joystick right or left to turn the status on or off.
3. If the status is set to On, specify a time.
Profiles
For information on the Profiles menu, see page 52.
When on an airplane, be sure that you deactivate the Auto Power
On/Off feature.