ZTE F152 - Manual (Page 31)

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Switch the Key Tones off
• From the Idle Screen press the OK Key for the Main Menu.
• Press the Down Arrow then the Left Arrow for Settings, press OK.
• Press the Right Arrow Key twice to get to Profiles.
• Press the Right Select Key to Edit the profile.
• Go to 6) and switch them off if you prefer to have silent keys.
Change the Screen Brightness
• From the Idle Screen press the OK Key for the Main Menu.
• Press the Down Arrow then the Left Arrow for Settings, press OK.
• Go to 3) for Brightness.
• Use the Up and Down arrows to set your desired level.
Mute the Handset with a Single Key Press
• You can mute your handset and switch it to vibrate mode by pressing and holding the #
key.
• Press and hold the # key to engage and disengage mute.
Change the Backlight Duration
Reducing the backlight duration to 10 seconds can improve battery life.
• From the Idle Screen press the OK Key for the Main Menu.
• Press the Down Arrow then the Left Arrow for Settings, press OK.
• Go to 2) for Backlight Duration.
• Set the desired time out for the backlight.