User's Manual

4005 User Manual
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2. Press Up/Down to scroll to Setting, and then press Select.
3. Scroll to Brightness or Contrast, and then press Select.
4. Press Up/Down to adjust the level, and then press Save when finished.
Activating the PIN Security
Most SIM cards are preset with a personal identification number (PIN) that is provided by your wireless
service provider. When PIN security is activated, you need to enter the PIN whenever you use the
device.
1. In standby mode, press Menu.
2. Press Up/Down to scroll to Setting, and then press Select.
3. Scroll to PIN, press Select, and then do any of the following steps:
z Scroll to Enable/Disable (only one of the options will be showed, depending on the PIN security
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