CPL VBW
ON OFF
CRT HORZ
POSITION
CRT VERT
POSITION
DACS
DATEMODE
MDY DMY
&m
dBmV
dBuv
DEFAULT
CAL DATA
DEFAULT
CONFIG
Option 105 only. Option 101 is recommended.
automatically selects the optimum video bandwidth if the gate length has been
entered. If the gate length has not been determined, the video bandwidth will
not be coupled to the gate length and an error message will occur. If a gate
length is entered manually, the coupling will be turned off.
Front-Panel Key Access:
[SWEEP)
changes the horizontal position of the signal on the spectrum analyzer display.
Press CAL STORE if you want the spectrum analyzer to use this position
permanently, so that it is not lost when the power is turned off.
Front-Panel Key Access:
ICAL)
changes the vertical position of the signal on the spectrum analyzer display.
Press CAL STORE if you want the spectrum analyzer to use this position
permanently, so that it is not lost when the power is turned off.
Front-Panel Key Access:
ICAL)
changes the DAC numbers of the span, DAC
Y’l’O
coarse-tune, DAC YTO
fine-tune, and
YTO
FM tune DAC located on the A7 Analog Interface assembly.
This is a service diagnostic function and is for service use only.
Front-Panel Key Access:
ICAL)
changes the display of the date from a month-day-year format to a
day-month-year format. It is set to a month-day-year format by pressing
DEFAULT
CONFIG.
Front-Panel Key Access:
[CONFIG)
changes the amplitude units to dBm for the current setting (log or linear).
Front-Panel Key Access:
[AMPLITUDE)
changes the amplitude units to
dBmV
for the current setting (log or linear).
Front-Panel Key Access: [AMPLITUDE]
changes the amplitude units to
dBpV
for the current setting (log or linear).
Front-Panel Key Access:
c-1
accesses the factory-default correction factors. A special pass code is required
for use. If the message Self cal needed appears when DEFAULT CAL DATA is
pressed, the CAL FREQ and CAL AMPTD routines need to be run. The CAL
FREQ and CAL AMPTD must be run to ensure specifications. If the spectrum
analyzer maximum frequency is higher than 3
GHz,
the CAL YTF routine
must also be run. The calibration results must then be saved by pressing
CAL STORE. See Chapter 9 for more information.
Front-Panel Key Access: (CAL)
resets the spectrum analyzer configuration to the state it was in when it
was originally shipped from the factory and performs an instrument preset.
See Table 7-6 for the default user-configuration values set by pressing
DEFAULT
CONFIG.
Key Descriptions
7-3
1
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