Agilent Technologies 34420A, User Manual

Page: 101 / 294

2) To set the chart output voltage to
±
3.0 V to correspond to an input
temperature range of 5° C to 45° C with a mid temperature of 25° C
(chart output is 0 V at 25° C).
(
25
−
chart null
)
span
=
0 chart null
=
25
and
(
45
−
25
)
span
=
3.0 span
=
20
3.0
=
6.66
•
Front Panel operation: Enable the chart output under the
5: CHART OUT
command in the SYStem menu.
Set the chart span under the
6: CHART SPAN
command in the
SYStem menu.
Set the chart offset under the
7: CHART NULL
command in the
SYStem menu.
You can also press
Shift Null
(Chart Null) to null the chart output
voltage based upon the displayed reading. This action places a null
value in the Chart Offset register. Pressing
Shift >
(Menu Recall)
will take you to the
7: CHART NULL
command where you can manually
edit the null value.
•
Remote operation: use the following commands to enable and set
the chart output values.
OUTPut {OFF|ON}
OUTPut:REFerence
:OFFSet {< number >|MIN|MAX}
:OFFSet:NULL
:SPAN { <
number >|MIN|MAX}
:SPAN?
:VALue {<
number
>|MIN|MAX}
:GAIN?
3
Chapter 3 Features and Functions
Chart Output (Analog Output)
99