Sprint PPC-6600 - Manual (Page 52)

47
Section 3: Sprint PCS Service Features
3.6 Additional Dialing Information
To make an emergency call:

Enter the emergency number 911 then tap or
press the button.
3.7 Securing Your Phone
You can customize the level of security you want to have on your
PPC6600 by locking the keypad or the entire device.
Locking the keypad
The keypad lock turns off the keypad functionality. This is
a helpful feature if, for example, your PPC6600 is turned off
and in your pocket, and you want to prevent accidental key
presses from pressing a button etc.
1. Tap > Settings > System tab > Button Lock.
2. To lock your keypad, select Lock all buttons except Power
button.
3. To unlock your keypad, tap Do not lock buttons.