Hunter training - scanning and calibration concepts


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Slide 3

To perform a calibration, we go to the node and do a quick procedure using Quiver, where a specific and unique type of signal is generated that is received at the headend. Hunter knows it is a calibration signal and records it as such.

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Hunter Training Curriculum Scanning and calibration concepts February 2, 2010

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Scanning 96% 4%

Slide 3

Calibration To calibrate we use the Quiver, and connect the forward and return ports to the node test points. During calibration, a special type of non network affecting CPD is formed that the Hunter headend knows was generated by Quiver After setting some parameters such as level, node number, and data carrier frequency, you turn on the output signal and the process begins. Use the Quiver Simulator software as a learning tool on how to calibrate.

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Automated node scanning Hunter continuously scans through all of the connected nodes, spending about 1 second on each node. It you have a hub with a large number of nodes – this process could take some time. For example, 320 nodes would take five minutes to cycle through all nodes, which is a long time to make a technician wait. Fortunately Hunter has a feature called priority scanning, where the node you are working on is scanned much more frequently than all the other nodes – thereby minimizing any field wait time.

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Priority scanning – using the scan scheduler

Summary: This presentation describes calibration, scan interval, and priority scanning for Hunter

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