User manual

Cat
®
B15 Smartphone User Manual
36
Switching to the Advanced panel
On the Calculator screen, touch the Menu key, and then touch Advanced panel.
Managing Your Mobile Phone
touch > Settings ( ).
Setting the Date and Time

automatically using the time provided by the network.
Note:
When the time provided by the network is automatically used, you cannot set the date, time, and
time zone.
1. On the Settings screen, touch Date & time.
2. Touch Automatic date & time and set its setting to Off.
3. Clear the Automatic time zone check box.
4. Touch Set date
set the date. Touch Done
5. Touch Select time zone, and then select the desired time zone from the list. Scroll the list to
view more time zones.
5. Touch Set time
set the time. Touch Done
6. Select or clear the Use 24-hour format check box to switch between 24-hour format and
12-hour format.
7. Touch Choose date format to select how you want the date to display on your mobile phone.
Setting the Display
Adjusting the Screen Brightness
1. On the Settings screen, touch Display > Brightness.
2. Drag the slider left to make the screen darker, or right to make it brighter.
3. Touch OK to save the adjustment.
Note:
Tap Automatic brightness to enable the device to automatically adjust the brightness of the screen
depending on the surrounding light.
Adjusting the Time Before the Screen Turns Off
If your mobile phone is idle for several minutes, it will turn off the screen to save battery
power. To set a longer or shorter idle time, do the following: