User manual

Cat
®
B15Q Smartphone User Manual
36
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:
1. On the Settings screen, touch Display > Sleep.
2. Select the duration you want the screen to be illuminated.
Setting Phone Ringtone
Turning On Silent Mode
On the Settings screen, touch Audio profiles > Silent to enable the silent mode. Then all sounds
except media and alarms are silenced.
Adjusting the Ringtone Volume
You can adjust the ringer volume when you are on the Home screen or any application screens
(except during a call or when playing music or videos). Press the Volume keys to adjust the
ringer volume to your desired level. You can also adjust the ringer volume on the settings
screen.
1. On the Settings screen, touch Audio profiles > General > Volumes.
2. Drag the slider left to make the volume softer, or right to make it louder.
3. Touch OK to save the adjustment.
Changing the Phone Ringtone
1. On the Settings screen, touch Audio profiles > General > Voice call ringtone.
2. Touch the ringtone you want to use, and then touch OK. The ringtone plays when selected.
Setting Your Phone to Vibrate for Incoming Calls
1. On the Settings screen, touch Audio profiles > General.
2. Select the Vibrate check box to enable your phone to vibrate for incoming calls.
Setting Phone Services
Turning on Data Roaming
In WIRELESS & NETWORKS, select SIM management > GENERAL SETTINGS > Roaming >
Data roaming, check to enable Data roaming.
Note:
Accessing data services while roaming may incur considerable additional charges. Ask your network
service provider about data roaming fees.