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HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

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<strong>TV</strong>SYNC<br />

<strong>TV</strong> Sync<br />

Selects the polarity of video modulation to trigger on.<br />

syntax<br />

Equivalent Softkey: <strong>TV</strong> SYNC NEG POS .<br />

Options Required: Options 101 <strong>and</strong> 102, or Option 301.<br />

Preset Value: <strong>TV</strong>SYNC NEG.<br />

Related Comm<strong>and</strong>s: HAVE, <strong>TV</strong>LINE, <strong>TV</strong>SFRM, <strong>TV</strong>STND.<br />

Example<br />

OUTPUT 718; “<strong>TV</strong>SYNC POS; ”<br />

Description<br />

<strong>TV</strong>SYNC <strong>TV</strong> Sync<br />

<strong>TV</strong>SYNC allows you to trigger on the negative or positive modulation video format. <strong>TV</strong>STND<br />

changes the triggering polarity for the selected video format.<br />

When used as a predefined variable, <strong>TV</strong>SYNC returns a “0” when <strong>TV</strong>SYNC is set to POS, a “ 1”<br />

if <strong>TV</strong>SYNC is set to NEG.<br />

Programming Comm<strong>and</strong>s 5-577

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