Auto-Guide™ 3000 Basic: Correction Sources

3.1 Correction setup

CorrectionSourceSetup-FIG13

Fig. 13: There are four correction source accuracy levels:

  • Centimeter (1)
  • Decimeter (2)
  • Submeter (3)
  • Autonomous and automatic (4)

Centimeter

Centimeter correction permits the most accurate positioning available, which is necessary for some operations. The first time a local base is configured, the operator makes a base profile that describes the specific settings of that local base.

  • Local base (centimeter)
  • Cellular network (centimeter)

Decimeter

Decimeter correction sources have an accuracy of approximately 40 cm (1.31 ft).

  • OmniSTAR XP is a subscription based correction source.
    • If OmniSTAR is selected as the correction source, the guidance system must have a current OmniSTAR subscription or the guidance system will not engage.
    • See your dealer for more information about subscription based correction sources.
  • OmniSTAR G2 is a subscription based correction source.
    • If OmniSTAR is selected as the correction source, the guidance system must have a current OmniSTAR subscription or the guidance system will not engage.
    • See your dealer for more information about subscription based correction sources.
  • OmniSTAR HP is a subscription based correction source.
    • If OmniSTAR is selected as the correction source, the guidance system must have a current OmniSTAR subscription or the guidance system will not engage.
    • See your dealer for more information about subscription based correction sources.
  • Local base (decimeter)
  • Cellular Network (decimeter)
    • See your dealer for more information about using the cellular network as a correction source.

Submeter

Submeter accuracy is not as accurate as decimeter or centimeter accuracy.

  • A space based augmentation system (SBAS) is a non-subscription based service that is different between regions.
    • Wide area augmentation system (WAAS) – available in the United States and Canada
    • European geostationary navigation overlay service (EGNOS) – available in Europe
    • Multi-functional satellite augmentation system (MSAS) – available in Japan and China
  • OmniSTAR VBS is a subscription sub-meter based correction source.
    • If OmniSTAR is selected as the correction source, the guidance system must have a current OmniSTAR subscription or the guidance system will not engage.
    • See your dealer for more information about subscription based correction sources.

Autonomous and automatic

If no correction source is set up, the guidance system can be set to operate in autonomous mode.

3.1.1 Selecting a correction source

NOTE: In this example a local base station for centimeter accuracy is used as the correction source.

CorrectionSourceSetup-FIG14

Fig. 14

1. Select CorrectionSourceSetup-WrenchIcon (1).

2. Select the correction source icon (2). The icon can be different depending on which correction source is selected.

3. Select CorrectionSourceSetup-SatelliteIcon (3).

4. Select CorrectionSourceSetup-AntennaIcon (4). A prompt will show to make sure the operator wants the change to the correction source.

5. Select CorrectionSourceSetup-CheckIcon (5). The display changes to an information screen.

NOTE: Each type of correction source will have a different information screen with configuration information. See the information for configuring correction sources.

3.1.2 Configuring autonomous correction source

Select autonomous as the correction source for the system. Once the system has accepted the autonomous correction source, the autonomous information box will show on the terminal.

CorrectionSourceSetup-FIG15

Fig 15

1. Select the box (1). This feature provides a more accurate indication of (GNSS) signals.

  • Engaged CorrectionSourceSetup-EngagedIcon
  • Disengaged CorrectionSourceSetup-DisengagedIcon

2. Select the box (2).

  • Engaged CorrectionSourceSetup-EngagedIcon to allow fallback
  • Disengaged CorrectionSourceSetup-DisengagedIcon

3. Select CorrectionSourceSetup-GreenCheckIcon (3) to keep the autonomous configuration. The terminal will show the correction setup screen.

3.1.3 Configuring a space based augmentation system (SBAS) correction source

Select the space based augmentation system (SBAS) available for the region as the correction source for the system. Once the system has accepted the SBAS correction source, the information box will show on the terminal.

CorrectionSourceSetup-FIG16

Fig 16

1. Select the box (1).

  • Engaged CorrectionSourceSetup-EngagedIcon
  • Disengaged CorrectionSourceSetup-DisengagedIcon

2. Select CorrectionSourceSetup-GreenCheckIcon (2) to keep the configuration. The terminal will show the correction setup screen.

3.1.4 Configuring an OmniSTAR correction source

Select an OmniSTAR correction source as the correction source for the system. Once the system has accepted the OmniSTAR correction source the information box will show on the terminal.

CorrectionSourceSetup-FIG17

Fig 17: The screen shows a list of all OmniSTAR correction sources.

  • Shows the subscription as current and gives the expiration date (1)
  • Shows the subscription as not current (2)

1. Select the correct region (3).

2. Select the fallback box (4).

  • Engaged CorrectionSourceSetup-EngagedIcon to permit fallback
  • Disengaged CorrectionSourceSetup-DisengagedIcon

3. The frequency (5) must only be updated if notified by the correction source company that the frequency has changed. Select the box to change.

4. Select CorrectionSourceSetup-GreenCheckIcon (6) to keep the correction source configuration. The terminal will show the correction setup screen.

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