HP Cable Box 8591C manual MAX Hold B MAX MXR \TL Meas OFF

Spectrum Analyzer Mode Key Descriptions

Spectrum Analyzer Mode Functions

MAX

HOLD B

MAX MXR

L\TL

MEAS OFF

(--I

maintains the maximum level for each trace point of trace B. Updates each trace point if a new maximum level is detected in successive sweeps.

Front-Panel Key Access (TRACE)

lets you change the maximum input mixer level in 10 dB steps from 39 dBmV to -51 dBmV. The mixer level is equal to the reference level minus the attenuator setting. As the reference level changes, the input attenuator setting is changed to keep the power levels less than the selected level at the input mixer. Pressing (PRESET) resets the maximum input mixer level to 39 dBmV.

Front-Panel Key Access (-1

turns off the measurement functions under the

Power Menu softkey and restores the analyzer to the

state prior to initiating the power measurement. If another front-panel key is pressed, exiting the power menus, press the (v) key twice to return to the power menu.

Front-Panel Key Access (j-1

switches between the User Menu and the menu containing N dB PTS ON OFF, % AM ON OFF, TO1 ON OFF,

Power Menu , and FFT Menu If no keys have been defined

in the user menu, No User Menu is displayed. See the

HP 8590 E-Series and L-Series Spectrum Analyzers and

HP 8591 C Cable TV Analyzer Programmer’s Guide for more information about defining keys in the user menu.

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