B&K Precision 2552-2559 - Programming Manual - Manual (Page 122)

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DESCRIPTION
The VERT_POSITION command adjusts the
vertical position of the specified FFT trace on the
screen. It does not affect the original offset value
obtained at acquisition time.
The VERT_POSITION? query returns the current
vertical position of the specified FFT trace
.
COMMAND SYNTAX
: Vert_POSITION
: = {TA, TB, TC, TD}
：=-40 DIV to 40 DIV
Note: The suffix DIV is optional.
QUERY SYNTAX
: Vert_POSition?
RESPONSE FORMAT
: Vert_POSITION
EXAMPLE The following shifts FFT Trace A (TA) upwards
by +3 divisions relative to the position at the time
of acquisition:
Command message:
TA: VPOS 3DIV
DISPLAY VERT_POSITION, VPOS
Command /Query