Bargraphs
The Bargraph Panel is selected by pressing the INSTRUMENT MODE
BARGRAPH key. On the Bargraph Panel, the generator and lower
soft key sections of the display are replaced with a horizontal bargraph.
The bargraph shows the primary measurement in an analog-type
display, with indicators for the minimum and maximum values. The
measurement displayed depends on the current measurement
function, selected by the FUNCTION keys. Some measurement
functions provide two simultaneous bargraphs.
The upper section ofthe display, which shows one, two or three
real-time numerical readings, is not affected. The upper soft keys also
retain the functions they performed in the Main Panel, as described in
the section for each measurement function.
The lower soft keys take on new functions in bargraph mode, so it may
be necessary to go to the Main Panel, Generator Only Panel, or
Analyzer Only Panel to set some options. The AMPLITUDE and
FREQUENCY controls maintain their functions except when setting
bargraph endpoints.
The upper and lower endpoints ofthe bargraph range are shown on
the lower left and right of the display. They are set using the lower left
and right soft keys and the AMPLITUDE controls. First, the endpoint
to change must be highlighted by pressing the corresponding soft key.
Ifdesired, both may be highlighted for simultaneous adjustment.
When the desired endpoint or endpoints are highlighted, the
AMPLITUDE controls adjust the value. The step size ofthe INC/DEC
and
±
10dB buttons depends on the measurement function selected.
TOP END
OF GRAPH
BOTTOM END
OF GRAPH
MAXIMUM
OBSERVED
VALUE
MINIMUM
OBSERVED
VALUE
CURRENT
OBSERVED
VALUE
Figure 4-37. Bargraph Screen in Level Function
4
Oper
ati
o
n
Controlling the Analyzer : Bargraphs
Operation
Portable One Plus Access User's Manual
4-57
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