222 Chapter4
Key Function Descriptions
Key Descriptions
The SAVELOCK ON OFF function must be off. If this
procedure needs to be interrupted at any time, press
ABORT.
Front-panel key access:
AUX CTRL
CAL THRU Activates a procedure to store a thru calibration trace
into trace B and into the nonvolatile memory of the
spectrum analyzer (for future reference). When
activated, the message Connect THRU. Store when
ready. appears in the active function block. Once the
thru is connected, press STORE THRU. The state of the
thru information is stored in state register number 9.
The SAVELOCK ON OFF function must be off. If the
procedure needs to be interrupted at any time, press
ABORT.
Front-panel key access:
AUX CTRL
Accesses the carrier power menu of functions which
includes AVG "ON" POWER and AVG "OFF" POWER.
Front-panel key access: MEAS/USER
CENTER FREQ Activates the center frequency and sets the spectrum
analyzer to the center-frequency/span mode. CENTER
FREQ can be adjusted using the data keys, the step
keys, or the knob. If a selected center frequency is not
compatible with the current span, the span is adjusted
to the nearest value that will accommodate the desired
frequency.
Front-panel key access:
FREQUENCY
CF/2→CF Sets the center frequency of the spectrum analyzer to
the currently-displayed center frequency divided by
two. The displayed center frequency is divided by two
each time this key is pressed until the lower center
frequency limit is reached. This allows quick and easy
measurement of sub-harmonics. This softkey is
available only in spectrum analyzers with firmware
revisions >941028.
Front-panel key access:
FREQUENCY
CF*2→CF Sets the center frequency of the spectrum analyzer to
the currently-displayed center frequency times two.
The displayed center frequency is multiplied by two
each time this key is pressed until the upper center
frequency limit is reached. This allows quick and easy
measurement of harmonics. This softkey is available
only in spectrum analyzers with firmware revisions
>941028.
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