Note: Where available Quantum should be used for all LD8 configuration. This article details changing an LD8 L-band beam using either Quantum or terminal.
Changing beam via Quantum
From the Quantum main screen go to SETTINGS. Navigate to System Configuration > Receiver Management > Edit:
Within the Receiver Management - Edit page click the LBand tab to open the Beam sub-menu:
Selecting the L-band beam Mode will determine which L-band beam management options are available. When in Mode: AUTOMATIC Quantum will track and utilise data from up to three beams simultaneously, with tracking determined based on the receiver location and the highest elevated beams.
Using Mode: AUTOMATIC can mitigate against the impact of a single beam failure or masking. When in this mode and transiting across multiple regions, having to re-tune to the most appropriate beam for any given location will not be required. When tuning to MANUAL, as shown above, two additional configurable options, Beam Types and Beam will be shown.
When selecting Mode: Manual, an option to toggle Beam Types between EXISTING and USER will appear. As above, when Beam Types is toggled to EXISTING, it allows the choice of one of the 6 VERIPOS pre-configured beam frequencies.
The table below can be use as a reference when selecting a suitable beam:
Switching the Beam Types option to USER will allow for the input of a user beam (this should be used only under the instruction of VERIPOS support):
Once appropriate changes have been made select Apply, found at the bottom right-hand side of the page.
Changing beam via Terminal
The LD8 WebUI provides a terminal with which to send commands and receive information from the unit. Using the latest version of Explorer, Chrome or Firefox browse to the IP address of the LD8 to access the WebUI. If the IP address isn't known see guide How do I find my LD8 IP address? The WebUI terminal can be accessed from the main page by clicking on the settings cog (⚙️) found at the top-right of the page, followed by the terminal icon (4th option down on right-hand side).
To verify the L-band beam presently in use by the LD8 enter the command:
If the LD8 is not yet configured to track an L-band beam the output will be similar to the below example, where the L-band tracking status is 'IDLE':
<ASSIGNLBANDBEAM WCOM1_30 0 67.5 FINESTEERING 2042 464654.273 03008020 f8d5 14970
< IDLE "" 0 0 6000
If the LD8 has been configured to track an L-band beam the output will be similar to the below example, where the L-band tracking status is 'MANUAL', and the L-band beam selected is '25E' (Note: Where in Auto Mode, three beams will be displayed):
<ASSIGNLBANDBEAM WCOM1_30 0 66.5 FINESTEERING 2042 465112.034 03008020 f8d5 14970
< MANUAL "25E" 0 0 6000
When selecting a suitable beam the below table can be used as a reference:
To tune to one of the above listed beams, enter the following text after replacing BEAMNAME with the name of the beam:
Once changes have been made, enter SAVECONFIG.