HP Cable Box 8591C manual Atten

Spectrum Analyzer Mode Key Descriptions

Spectrum Analyzer Mode Functions

ATTEN

AUTO MAN input attenuation in 10 dB increments. The analyzer input attenuator, which is normally coupled (linked) to the reference level control, reduces the power level of the analyzer input signal at the input mixer. The attenuator is recoupled when AUTO is underlined.

Front-Panel Key Access @iFiWEFj or [ A U T O C O U P L E ]

To prevent damage to the input mixer, the power level at the input mixer

C A U T I O Nmust not exceed +72 dBmV. To prevent signal compression, power at the input to the input mixer must be kept below 39 dBmV.

N O T E

To protect the mixer from possible damage, 0 dB RF attenuation (no input power reduction to the mixer) can be selected only from the number/units keypad.

AUTO ALL

he following functions: resolution bandwidth, video bandwidth, attenuation, sweep time, center-frequency step, video bandwidth, and video-bandwidth to resolution-bandwidth ratio.

Front-Panel Key Access [ A U T O C O U P L E )

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