AutoBase setup scenarios
These scenarios describe what you may experience when using AutoBase technology.
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If you have a R750 receiver, the factory default AutoBase mode is “Enabled without Warning”. See Default receiver settings.
Scenario One: Base station setup on first visit to a site
You set up the base station receiver on a point that you have not previously used as a base station with that receiver.
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The receiver is powered on.
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The receiver begins tracking satellites.
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The receiver determines the current position.
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The receiver reviews the base positions stored in the receiver.
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The receiver does not find any base station that corresponds to the current position.
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The receiver will not begin transmitting RTK corrections and the radio LED will not flash.
RTK corrections are not streamed until the base station is configured using the web interface or the Siteworks or
Scenario Two: Base station setup on a repeat visit to that site
You set up the base station receiver on a point that you have previously used as a base station with that receiver.
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The receiver is powered on.
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The receiver begins tracking satellites.
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The receiver determines the current position.
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The receiver reviews the base station positions stored in the receiver.
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The receiver finds a base station position that corresponds to the current position. A base station position is found, so the AutoBase warning is not displayed.
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The receiver loads the previous base information.
If there are two or more base stations within a 20 meter (65.6 feet) radius of your current position, the receiver will make the most recently created base position file active.
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The antenna type, antenna height, and measurement method used in the previous setup of this base station are applied.
When you perform a future setup at the same location, the receiver assumes that there is no change to either the antenna height or the antenna height measurement method used previously. It is therefore essential that you keep the antenna height constant between setups. If there is any risk that the antenna height might have changed, you must use the Siteworks or SCS900 Site Controller software to start (and so reset) the receiver..
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The receiver begins generating RTK CMR+ corrections.
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The RTK corrections begin streaming on the radio or port defined in the previous setup of this base station.
Scenario Three: The stored base station position seems to be missing
You set up the base station receiver on a point that you have previously used as a base station, as in Scenario Two. But for some reason, the stored base station position is not found in the receiver. Someone has inadvertently deleted the data, or perhaps a different receiver (for example, the other receiver in a pair) was used on the previous occasion.
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The base station receiver is set up on a point that you have previously used as a base station.
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The receiver is powered on.
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The receiver begins tracking satellites.
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The receiver determines the current position.
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The receiver reviews the base station positions stored in the receiver that are within a 20 meter (65.6 feet) radius.
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The receiver does not find any base station that corresponds to the current position.
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As the AutoBase Warning has been turned on, the receiver displays that AutoBase has failed.
Scenario Four: Base station setup when you occupy a new station
You have used the as a base station at least once, but now need to set up the base station receiver on a point that you have not previously used as a base station with that receiver.
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The receiver is powered on.
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The receiver begins tracking satellites.
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The receiver determines the current position.
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The receiver reviews the stored base positions.
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The receiver does not find any base station that corresponds to the current position.
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The receiver begins transmitting RTK corrections and the radio LED flashes.
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The receiver automatically uses the current position as a base position, renaming the station name Auto000x.
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This information is saved to a new application file; Auto000x, which is then made active.