RESEARCH CONCEPTS RC3000 User Manual

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RC3000 User’s Manual additions for the Positive Identification feature.
1.2 Software Configuration
The positive identification feature requires the presence of three navigation sensors: 1) GPS
receiver, 2) compass and 3) integrated DVB receiver. Software to support this option will
have the designation letter “A” for the navigation sensor category.
For example, the software configuration RC3K-Z1-ATR will support the positive
identification feature (“A”) along with the tracking (“T”) and remote control (“R”) options.
1.3.x Theory of “Positive Identification”
In order to overcome small errors inherent with a magnetic compass, an optional “positive
identification” feature is available. This feature is mechanized by integrating a Digital Video
Broadcasting (DVB) compatible receiver with the RC3000.
When the positive identification feature is enabled, the LOCATE function will scan the sky
looking for an identifiable satellite which will be called a “signpost”. The signpost satellite
will be identified via the DVB receiver locking onto the frequency/symbol rate/forward error
correction code pattern stored in the RC3000 for that satellite. A positive identification of
the satellite will be accomplished by recognizing a unique identification string encoded in the
DVB data stream.
After peaking up on the identified signpost satellite, the RC3000 can perform a “fix” of the
original heading estimate obtained from the compass. After establishing the heading fix, the
mount may then be moved with confidence to any satellite selected by the user.
2.1.5 DVB Receiver mounting
In RC3000s with updated hardware, the DVB receiver will be mounted internally.
The DVB receiver may also be mounted externally to RC3000s containing the original
hardware configuration. The external DVB receiver may be mounted anywhere that will
allow the coax and communication connections (see 2.2.8) to be made. There will be no user
interaction to the external DVB receiver, so it may be placed behind the rack that contains
the RC3000.
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Summary of Contents

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RC3000 User’s Manual additions for the Positive Identification feature. 1.2 Software Configuration The positive identification feature requires th

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3.3.2.11 DVB Receiver Maintenance This mode allows the user to test the DVB receiver’s ability to lock onto a signpost satellite. When the mode is

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The FEC for a potential signpost may be individually entered. After entering the FEC, the new FEC along with the current frequency and symbol rate w

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2.2.8 RF connection If the DVB receiver is housed internally in the RC3000, the connection to the coax from the LNB will be made at the J11 F connect

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2.4.x DVB receiver checkout To confirm that the DVB receiver is able to lock onto signpost satellites use the DVB maintenance screen described in 3

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3.2.2.3.x Additional LOCATE steps for positive identification When the positive identification feature is enabled, additional steps will be added to

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Polarization is adjusted for the signpost. “ADJUSTING POLARIZATION” Azimuth scan begins. “SCANNING AZIMUTH” Starts out in fast until it sees a RF

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7b) if no positive identification of any signpost is accomplished, the LOCATE will stop and display a message indicating something like "NO POSIT

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3.3.1.1.x DVB Signpost This group allows the user to customize a list of 10 “signpost” satellites. The LOCATE mode’s positive identification featur

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ID: SIGNPOST ID STRING <6 CHARACTERS MAX> This field allows the user to specify the (orbital slot) associated with this signpost. This data i

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3.3.1.1.x DVB ID This group allows the user to customize parameters associated with the positive identification feature. ENABLED:1 CONF

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