HP Cable Box 8591C manual Procedure for Creating an Upper Limit Line

Using Spectrum Analyzer Features

Using limit-line Functions

Procedure for Creating an Upper Limit Line

This procedure demonstrates how to create a sample upper limit line for the CAL OUT signal and activate testing. Detailed descriptions of the limit-line functions follow this procedure.

1.Press (FiEFi].

2.Set the center frequency and span by pressing [FREQUENCY], 300 INIHz), and (SPAN), 500 (MHz].

3.Connect the cable TV analyzer’s CAL OUT and INPUT 75 61 on the cable TV analyzer using an appropriate cable. (The calibration signal is used as the “test” signal for this demonstration.)

N O T E

If the amplitude units are anything other than dBmV at this time, change the amplitude units to dBmV

for this demonstration. Press (AMPLITUDE], More 1 of 2, Amptd Units , dBmV

4. Press Ijjj, Limit Lines to access the limit-line menus.

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