Agilent Technologies 4294A Instruction Manual download pdf (Page 405)

Appendix B 397

Key Definitions

Softkeys displayed by pressing the [Search] key

B. Key Definitions

Softkeys displayed by pressing the [Search] key

Table B-64 Search (Search) menu

Key operation: [Search]

Softkey Function GPIB command

MAX

Moves the main marker on the current active trace (A or B) to the maximum

value of the measurement parameter value

on the trace.

1. If COMPLEX Z-Y has been selected as the measurement parameter, it is the primary measurement parameter value. The primary

measurement parameter value means: if COMPLEX has been selected as the display format, the value of the real part in each

complex parameter (R or G); if POLAR, the absolute value (|Z| or |Y|).

SEAM MAX

MIN

Moves the main marker on the current active trace (A or B) to the minimum

value of the measurement parameter value

on the trace.

SEAM MIN

TARGET ä

Moves the main marker on the current active trace (A or B) to the position of the

measurement parameter value

specified with the TARGET VALUE key and

displays Table B-65, “Target (Target) menu,” on page 398. The TARGET

VALUE key is in this newly displayed menu. If the specified measurement

parameter value is not on the trace, the marker is not moved and “TARGET

VALUE NOT FOUND” is displayed in the upper left area of the screen.

SEAM TARG

PEAK ä Moves the main marker on the current active trace (A or B) to the peak position

of the measurement parameter value

depending on the peak definition specified

with the PEAK DEF MENU key and displays Table B-66, “Peak (Peak) menu,”

on page 398. The PEAK DEF MENU key is in this newly displayed menu. If no

measurement parameter value can be a peak on the trace, the marker is not

moved and “TARGET VALUE NOT FOUND” is displayed in the upper left area

of the screen.

SEAM PEAK

SEARCH TRK on OFF For the current active trace (A or B), toggles on and off the function to execute

search each time a sweep is performed (search tracking function). If you turn on

this function and select a marker search function with one of the above keys

(MAX, MIN, TARGET, PEAK), the search is executed each time the trace is

updated by a sweep; if off, the search is executed only when the marker search

function key is pressed.

TRACK {ON|OFF}

WIDTHS on OFF For the current active trace (A or B), toggles on and off the trace bandwidth

analysis function. If you turn on this function, the cutoff points defined with the

WIDTHS DEF MENU key are searched for toward both sides of the

measurement parameter axis using the current position of the main marker as the

center. If the cutoff points are detected, the following are displayed on the

screen: bandwidth (distance between the 2 cutoff point sweep parameter values),

center value (midpoint of the 2 cutoff point sweep parameter values), Q, peak

(measurement parameter value of the peak between the cutoff points), DL (sweep

parameter length from the sweep center value to the left cutoff point), DR (sweep

parameter length from the sweep center value to the right cutoff point). If correct

parameters cannot be obtained due to the shape of the trace, “TARGET VALUE

NOT FOUND” is displayed in the upper left area of the screen. If you turn on the

trace bandwidth analysis function, a horizontal line showing the cutoff value

appears on the screen. You can set the cutoff value with the softkeys in Table

B-68, “Trace bandwidth analysis definition (Widths Def) menu,” on page 400.

WIDT {ON|OFF}

WIDTHS DEF MENU ä Displays Table B-68, “Trace bandwidth analysis definition (Widths Def) menu,”

on page 400.

(N/A)

SEARCH RANGE

MENU ä

Displays Table B-69, “Search range (Search Rng) menu (1),” on page 400. (N/A)

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