Front Panel Operation
2-107
%DEV
This menu item selects the percent deviation calculation and
lets you specify the reference value. If you key in a new ref-
erence, be sure to press ENTER.
DEVIATION
This menu item selects the deviation calculation and lets you
specify the reference value. If you key in a new reference, be
sure to press ENTER.
RATIO
This menu item selects the ratio calculation and lets you
specify the reference value. If you key in a new reference, be
sure to press ENTER.
LOG10
This menu item selects the logarithmic base 10 calculation.
When MATH is enabled, the absolute value of the input read-
ing will be converted to its log base 10 equivalent and dis-
played.
2.18.8 Calculate multiple display
One of the multiple displays lets you view the reading on the
bottom line of the display and the result of the calculation on
the top line. This display is available by repeatedly pressing
either the NEXT or PREVious DISPLAY key to scroll
through the multiple displays for the particular function. The
following is a typical message for a percentage calculation:
-7.04310e+01 V%
Reading = -0.704310
The display resolution on the bottom line follows that chosen
for the top line. The value on the bottom line tracks the units
and prefix of the top line. (For example, if the top line dis-
plays uA, then the units on the bottom line are uA.)
2.19 Menu
The main menu accesses the various instrument operations
for which there are no dedicated keys, such as setup storage,
communication setup, calibration, self-test and limits. The
main menu structure is summarized in Table 2-29.
The top level of the main menu is displayed by placing the
instrument in the reading display state, and then pressing the
MENU key.
General rules to navigate the menu levels are provided in
paragraph 2.3.5.
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