Rohde & Schwarz FSMR series, Начало работы

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R&S FSMR
The Screen
1166.3363.12 3.7 E-1
Instrument settings
(Enhancement Labels)
Indication of user instrument settings which influence the measuring
result and w hich are not im mediately obvious when viewing the
measured values.
*
The current instrument setting does not c orrespond to the one which
applied when one of the dis played curves had been s tored. This
occurs under the following circumstances:
• The instrument setting is modified while a m easurement is being
performed.
• The instrument setting is modified in SINGLE SWEEP mode
subsequent to the end of the sweep and no new sweep is started.
• The instrument setting is modified after setting the trace to VIEW.
The display is retained until the c ause is eliminated by the user. I.e.,
either a new sweep is started (SINGLE SWEEP mode), or the trace of
interest is switched to BLANK.
A / B
Identification for screen A / B. W hen screen A / B is activated for the
entry of test parameters, this label is highlighted.
SGL The sweep is set to SINGLE SWEEP.
GAT
The frequency sweep is controlled via the
EXT TRIG/GATE
input of
the instrument.
TRG The instrument is not triggered in
FREE RUN
mode.
LVL
A level offset ≠ 0 dB has been set.
FRQ A frequency offset ≠ 0 Hz has been set.
PRN
A printer output is active.
75
Ω The input impedance of the instrument is set to 75 Ω .
EXT
The instrument is configured for operation with external reference
PA The RF preamplification is switched on (option B23 or B25).
Entry fields:
Entry window
The data entry window is superimposed in the left upper corner of the
diagram area, if required. It covers the display of the title and the time.
The field is used to enter numeric or alphanumeric device parameters.
Tables The tables are superimposed in the diagram area, if required.
They are used for displaying and configuring device parameters.