Sanyo SCP-8500KDLXPI - Katana DLX Cell Phone 32 MB User Manual page 112

Locking Sprint Vision Services
You can lock access to Sprint Vision services, including Sprint
Power Vision while signed in.
To lock SprintVision:
1.
Select
2.
Select Data > Off and Lock, and then enter your lock code.
(The Restrict and Lock menu is displayed.)
3.
Select Locked. (Select Unlocked to deactivate this
feature.)
94 Section 2C: Setting Your Phone's Security
> Settings > More... > Restrict and Lock.