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

AUTO
Auto Couple
Couples the active functions automatically.
Syntax
active
r function
Related Commands: AT, DL, HD, MKA, MKD, MKF, MKFCR, MKN, RB, SRCPSTP, SRCPSWP,
SRCPWR, SS, ST, TH, VAVG, VB, VBR.
Example
OUTPUT 718."AT AUTO-" Couples the attenuation.
OUTPUT 718;"HD;AUTO;" Couples all functions.
OUTPUT 718*"AUTO-"
9 2 Couples and deactivates a related function (if one was active), or
couples all Jimctions (if rm functions were active).
Description
The result of the AUTO command depends on the active function it acts upon. The following
are the functions that are affected by the AUTO parameter:
AT
DL
MKA
MKD
MKF
MKFCR
MKN
RB
SRCPSTP
SRCPSWP
SRCPWR
ss
ST
TH
VAVG
VB
VBR
couples attenuation to the reference level.
turns off display of line but does not change the value of the display line.
turns off marker.
turns off marker.
turns off marker.
deactivates use of user-supplied counter resolution value, however, the value
remains unchanged.
turns off marker.
couples resolution bandwidth to frequency span.
sets source power step to 0 (it may value may be displayed at 10 however).
turns off power sweep.
turns off source power.
couples step size to frequency span.
couples sweep time to frequency span.
turns off display of threshold, but does not change its value or prevent usage in
peak searching.
stops averaging.
couples video bandwidth to resolution bandwidth.
sets the video to bandwidth ratio to 0.3.
Individual functions can be coupled by entering the keyword for the command before AUTO,
(for example, “AT AUTO; “).
AUTO has no effect if the active function is not in the above list.
Executing “AUTO;” if no functions are active couples all functions. Executing “HD;AUTO;”
couples all functions, turns off the reference position, and turns off normalization.
5-72 Programming Commands