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Iridium IMF 1000 - How do I enable the Security Lock using my Iridium IMF 1000
Summary:

This article describes how to enable the security lock
Article:

1. To enter the function menu, press the Menu button 2. To select the 'Setup' item press OK (#) 3. Find the the 'Lock' item using the vol up and down button. And press OK (#) 4. Find the 'Enable' item using the vol up and down button. And press OK (#) 5. Find the right user name of priority level 4 or less using the vol up and down button. And press OK (#) 6. Key in the password, and press OK (#)