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Lesson Title. DAGR Operational Checkout. Lesson Number. 113-002. LESSON OBJECTIVES. Perform the DAGR Operational Checkout procedure. OVERVIEW. Introduction Operational Checkout Procedure Familiarity Pretest setup Operations Perform the DAGR Operational Checkout Procedure. OVERVIEW.

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  1. Lesson Title DAGR Operational Checkout Lesson Number 113-002

  2. LESSON OBJECTIVES • Perform the DAGR Operational Checkout procedure.

  3. OVERVIEW • Introduction • Operational Checkout Procedure Familiarity • Pretest setup • Operations • Perform the DAGR Operational Checkout Procedure

  4. OVERVIEW • Page Function • SV Sky View Page Function • Channel Status Page Function • SV Status Page Function • SV Message Page Function • DOP Calculation Page (Advanced) Function • SV Schedule Page (Advanced) Function • SV Select Page Function

  5. DAGR OPERATIONAL CHECKOUT • Operational Checkout • Determines if Operating Correctly • Aids in detecting DAGR Malfunctions

  6. DAGR OPERATIONAL CHECKOUT • Pretest Setup • WARNING – • Lithium batteries can explode • Reverse polarity can cause damage to the battery and receiver • CAUTION – • Do not mix battery type • DAGR Used for Time • DAGR Resets to Default • External DC Power

  7. DAGR OPERATIONAL CHECKOUT • Note • Clear View of Sky • Display Heater • No Pretest Connections or Adjustments • External Power Source with Host Platform mount

  8. DAGR OPERATIONAL CHECKOUT Ref Para 18.3 Operational Checkout • Inspect the DAGR [and external cables and equipment] for damage and/or missing parts. (Refer to the parts list for associated parts used.) b. Push the POWER key to turn the DAGR on, and make sure the DAGR [or DAGR system antenna] has a clear view of the sky. c. During power up, observe the power-on status display. Make sure that self-test passes and battery indication [batteries not applicable to system installation] shows sufficient battery power left. Do not use the DAGR if a failed self-test is indicated.

  9. DAGR OPERATIONAL CHECKOUT d. After the DAGR successfully completes power-on self-test and shows the SV Sky View page or Present Position page, perform the following procedure for an operator induced commanded self-test. • Note • List of Passed and Failed tests

  10. DAGR OPERATIONAL CHECKOUT • Note • Self-test does not track SV • Activate commanded DAGR self-test. (a) If the Present Position page is not already displayed, push and hold the POS key (except when showing a message pop-up, then push the QUIT key first). The Present Position page is displayed. (b) From the Present Position page, push the MENU key.

  11. DAGR OPERATIONAL CHECKOUT (c) Highlight Select Op Mode, then push the ENTER key. (d) Highlight Test, then push the ENTER key. (e) The DAGR displays an ENTER TEST MODE message prompting the operator to confirm or cancel entering test mode. Push ENTER key to confirm.

  12. DAGR OPERATIONAL CHECKOUT (2) Test In Progress display appears with specific area of testing listed at bottom and a bar graph denoting progress. The DAGR automatically tests multiple areas.

  13. DAGR OPERATIONAL CHECKOUT • Note • Test ENTER key (3) After the test in progress tests are completed, Keypad Test is displayed. Push each key on the keypad and verify the corresponding key shown on the display toggles between normal and highlighted appearance. Push the ENTER key to continue to the next display.

  14. DAGR OPERATIONAL CHECKOUT (4) Display Light Test display appears with the brightness adjustment cycling between 0% and 100%. The percentage adjustment is reflected in the light bulb of the display. Verify the display lighting by viewing the DAGR display in a dark area. Push ENTER key to continue.

  15. DAGR OPERATIONAL CHECKOUT (5) Contrast Test display appears with the contrast adjustment cycling between 0% and 100%. The percentage adjustment is reflected in the bar graph of the display. Push ENTER key to continue.

  16. DAGR OPERATIONAL CHECKOUT (6) The Display Test Beginning message appears momentarily. After sequencing through white, light gray, dark gray, and black, the Display Test Completed message appears, followed by the Power-On Status display listing self-test results as Pass or Fail.

  17. DAGR OPERATIONAL CHECKOUT • Note • Push and Hold ENTER key (7) If Power-On Status remains displayed and does not time out, push the ENTER key to acknowledge. (8) The SV (Satellite Vehicle) Sky View page is displayed.

  18. DAGR OPERATIONAL CHECKOUT e. With the SV Sky View page displayed, push the MENU key. • Highlight Select Op Mode, then push the ENTER key. g. Highlight Continuous, then push the ENTER key. This mode enables the DAGR to acquire a current position fix. h. After satellites are acquired and a current position fix is obtained, the DAGR display stops blinking and Navigate SVs is shown on the SV Sky View page, then automatically switches to the Present Position page.

  19. DAGR OPERATIONAL CHECKOUT • Note • Display Blinks i,. Do the following before using the DAGR: • Ensure the correct function set is being used • Ensure the correct user profile is being used if using the advanced function set. •Set the DAGR to the desired operating mode.

  20. SKY VIEW PAGE Ref. Para 13.2.3 1. From any display (except a message pop-up), push the MENU key twice to display the Main Menu. 2. Highlight Satellite, then push the ENTER key. 3. Highlight SV Sky View, then push the ENTER key. The SV Sky View page is displayed.

  21. PAGE FUNCTION • Sky View Page • Graphical Status Information • Signal Strength Information • Satellite Positions • Current Status • VIS • GOOD • ALM AGE • Almanac Data • Current Operating Mode

  22. PAGE FUNCTION • Channel Status Page • Satellite Data for Active Channels • SV • C/No • CODE • FREQ • J/I

  23. PAGE FUNCTION • SV Status Page • Status of visible satellites • SV • AZ • ELA • SET • HLTH

  24. PAGE FUNCTION • SV Message Page • Almanac Age • Healthy Satellite Data • Satellite Special Messages

  25. PAGE FUNCTION • DOP Calculation Page • Best and Worst Times • Note • Data Lost

  26. PAGE FUNCTION • SV Schedule Page • Note • Data Lost • Satellite Visibility

  27. PAGE FUNCTION • SV Select Page - CAUTION - • Performance Degraded • Select: • satellite frequencies • codes • acquisition methods • Deselect satellites

  28. CHECK ON LEARNING • The Operational Checkout is designed to do what? • It is designed to show whether the unit is operating correctly or not. • True or False The DAGR needs a clear view of the sky in order to do a successful operational checkout. • True • True or False Do not use the DAGR if a failed self-test is indicated. • True • Where is the DOP Calculation Page accessed from? • It is accessed from the Satellite submenu.

  29. LESSON SUMMARY • You have now learned how to perform the Operational Checkout procedure. • Operational Checkout Procedure Familiarity • Pretest setup • DAGR Operational Checkout Procedure • Page Function

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