1. LP 141 Lesson Title 113-014 Zeroize Function Lesson Number

2. LP 142 LESSON OBJECTIVES Clear the DAGR receiver using the Zeroize function. –Clear DAGR receiver using CV Key Zeroize –Clear DAGR receiver using Emergency Zeroize

3. LP 143 OVERVIEW Introduction –CV Key Zeroize Familiarity –Emergency Zeroize Familiarity Operations –CV Key Zeroize –Emergency Zeroize

4. LP 144 ZEROIZE Zeroize –CV Key Zeroize Caution –Destroys CV key Data –Emergency Zeroize Caution –Mission Critical and CV Data

5. LP 145 CHECK ON LEARNING What types of information are deleted by zeroizing the DAGR receiver? –The zeroize function destroys mission critical data and CV keys entered into or collected by the DAGR. What two keys must be pushed simultaneously to initialize the zeroize function? –The emergency zeroize function is initiated by simultaneously pushing the QUIT and PAGE keys. What information is destroyed by CV Key zeroizing? –The CV Key zeroize function destroys CV keys data.

6. LP 146 CV KEY ZEROIZE Ref Para 7.3.3 b CV Key Zeroize (1) From any display, push and hold the POS key, the Present Position page is displayed.

7. LP 147 (2) Push the MENU key twice to access the main menu. (3) Highlight Receiver Setup, then push the ENTER key. (4) Highlight Crypto Fill, then push the ENTER key. (5) From the Crypto Fill page, with or without a field highlighted, push the MENU key. CV KEY ZEROIZE

8. LP 148 CV KEY ZEROIZE (6) Highlight Zeroize CV Keys, then push the ENTER key. (7) The Activate CV Zeroize message is displayed.

9. LP 149 (8) Push the ENTER key to confirm and perform the CV key zeroize function. Note –Quit Key (9) Push the ENTER key to acknowledge the CV key zeroize passed message. The display returns to the Crypto Fill page. CV KEY ZEROIZE

10. LP 1410 ZEROIZE Zeroize –Emergency Zeroize Caution –Protects Mission Sensitive Data

11. LP 1411 EMERGENCY ZEROIZE Ref Para 7.3.3 a Emergency Zeroize (1) From any display, push the QUIT and PAGE keys simultaneously. (2) The Activate Emergency Zeroize message is displayed. (3) Push the ENTER key to confirm and perform the emergency zeroize function.

12. LP 1412 EMERGENCY ZEROIZE Note –Quit Key ( 4) Push the ENTER key to acknowledge the emergency zeroize passed message. The SV (Satellite Vehicle) Sky View page is displayed.

13. LP 1413 LESSON SUMMARY You have now learned how to clear the DAGR receiver using the Zeroize function. –Clear DAGR receiver using CV Key Zeroize –Clear DAGR receiver using Emergency Zeroize