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Lesson Title

113-014

Zeroize Function

Lesson Number

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LESSON OBJECTIVES

• Clear the DAGR receiver using the Zeroize function.– Clear DAGR receiver using CV Key Zeroize – Clear DAGR receiver using Emergency

Zeroize

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OVERVIEW

• Introduction– CV Key Zeroize Familiarity – Emergency Zeroize Familiarity

• Operations– CV Key Zeroize – Emergency Zeroize

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ZEROIZE

• Zeroize– CV Key Zeroize

• Caution– Destroys CV key

Data

– Emergency Zeroize• Caution

– Mission Critical and CV Data

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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.

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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.

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(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

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CV KEY ZEROIZE

(6) Highlight Zeroize CV Keys, then push the ENTER key.

(7) The Activate CV Zeroize message is displayed.

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(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

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ZEROIZE

• Zeroize– Emergency Zeroize

• Caution– Protects Mission

Sensitive Data

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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.

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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.

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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