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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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PP<br />

Preselector Peak<br />

Peaks the preselector.<br />

Syntax<br />

( PP<br />

PP Preselector Peak<br />

Equivalent Softkey: PRESEL PEAK .<br />

Restrictions: Not compatible with Analog+ display mode. See “ANLGPLUS” for more<br />

information.<br />

Model Required: <strong>HP</strong> 8592L, <strong>HP</strong> 85933, <strong>HP</strong> 85953, or <strong>HP</strong> 85963.<br />

Related Comm<strong>and</strong>s: MKA, MKCF, MKD, MKF, MKN, MKPK.<br />

Example<br />

OUTPUT 718;"IP;CF 3GHZ;SP SOOKHZ;" Initializes spectrum analyzq changes center frequency,<br />

span.<br />

OUTPUT 718;"TS;MKPK HI;MKCF;PP;" Baks the highest on-screen signal.<br />

Description<br />

‘Ib use PP, set the desired trace to clear-write mode, place a marker on a desired signal, then<br />

execute PP. Comm<strong>and</strong>s following PP are not executed until after the spectrum analyzer has<br />

finished peaking the preselector.<br />

PP automatically adjusts the preselector tracking to peak the signal at the active marker.<br />

(When the marker is tuned to a signal <strong>and</strong> PREXXL PEAK is pressed, an internal routine<br />

searches for the peak response of the preselector <strong>and</strong> adjusts the tracking accordingly.) Using<br />

preselector peak prior to measuring a signal yields the most accurate amplitude reading.<br />

Preselector peak operates with the MARKER TJORMAL or MARKER A markers. If the marker is<br />

OFF, pressing PRESET PEAK initiates a peak search routine <strong>and</strong> then peaks the response at that<br />

marker; otherwise, it peaks around the active marker. The CAL : PEAKING message appears on<br />

the active graticule area to indicate operation of the peaking routine. Preselector peak only<br />

operates in the 2.75 to 22 GHz preselector b<strong>and</strong>s.<br />

XPF<br />

Programming Comm<strong>and</strong>s 5443

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