Lesson Title

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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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PAGE FUNCTION

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

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PAGE FUNCTION

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

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PAGE FUNCTION

• SV Status Page
• Status of visible satellites
• SV
• AZ
• ELA
• SET
• HLTH

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PAGE FUNCTION

• SV Message Page
• Almanac Age
• Healthy Satellite Data
• Satellite Special Messages

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PAGE FUNCTION

• DOP Calculation Page
• Best and Worst Times
• Note
• Data Lost

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PAGE FUNCTION

• SV Schedule Page
• Note
• Data Lost
• Satellite Visibility

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PAGE FUNCTION

• SV Select Page
• - CAUTION -
• Performance Degraded
• Select
• satellite frequencies
• codes
• acquisition methods
• Deselect satellites

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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.

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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