5502A
Operators Manual
9-18
The MORE OPTIONS Menu
When you select MORE OPTIONS, you open options that give you more control of the
frequency and voltage. To access the MORE OPTIONS menu, push the softkey below
MORE OPTIONS in the Levsine menu.
gjh057.eps
Each option in the MORE OPTIONS menu is given below.
•
FREQ CHANGE
Toggles between two settings that control how the output signal
adjusts to a new frequency. This is the default setting.
“Jump” causes the output signal to jump immediately to a new frequency setting.
“Sweep” causes the signal to sweep through a series of frequency values, over a
range you set. Use the sweep function to see the signal gradually change over a given
bandwidth and see the point at which its amplitude changes. Sweep function
instructions are given in the “Sweep Through a Frequency Range” section.
•
RATE
Used when FREQ CHANGE is set to “sweep” to select a sweep speed of
100 kHz, 1 MHz, or 10 MHz.
A slower sweep rate lets you see the frequency change very slowly. After a faster
sweep, you can pinpoint a specified frequency with a slower sweep over a subset of
your previous frequency range.
•
Range
The softkeys toggle between two settings. The first setting (“auto”) changes
the range limit automatically in accordance with the voltage level. The second setting
(“locked”) freezes the current range limit. Subsequent changes in voltage level are
then measured with this range limit.
There are six range limits in levsine mode: 10 mV, 40 mV, 100 mV, 400 mV, 1.3 V,
and 5.5 V. When set to “auto” the Calibrator uses your voltage setting to
automatically set the range limit that gives the most accurate output. When set to
“locked” the range limit stays set and you can decrease the voltage down to the
bottom of the range.
For example, if the range limit is 40 mV and you record 5 mV with “auto” selected,
the Calibrator automatically changes the range limit to 10 mV and output 5 mV from
the 10 mV range. If you start with the 40 mV range “locked” and then record 5 mV,
the Calibrator outputs 5 mV from the 40 mV range.
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