SECTION2
Operation
range. A higher source
or
compliance (measure) range
can be selected with the
SELECT
buttons.
SELECT
•
will
uprange the unit while
SELECT..,.
will downrange it.
Se-
lecting a range that is lower than the displayed value will
default the
unit
to the maximum source
or
measure value
for that range.
NOTES
1.
Exponent
(EXP)
allows values to
be
entered
in
scien-
tific notation form. The example value reads as +3.26
x
1Q-
3
amps, which is 3.26mA.
2.
Entering a value that exceeds the maximum source
or
compliance capability of the unit will default to
the maximum value.
3.
Entering a value that contains more digits than
source
or
compliance resolution allows will result
in
the value being rounded. For example, entering a
value of + 1.2345V will
round
to + 1.235V
2.9.2
Entering
Other
Operating
Parameters
Parameter selections for other
Source Measure
Unit
fea-
tures are menu driven. The paragraphs that contain the
data entry procedures for these features are listed as fol-
lows:
•
Menu* (see paragraph
210)
•
J
Time (see paragraph
2.15)
•
Filter (see paragraph
2.16)
• Sweep
Create, Modify
and
Append (see paragraphs
2.19,
2.20,
and
2.21)
• Trigger Setup (see paragraph 2.22)
•
In addition
to
selecting operating parameters,
menu
is
also
used
to
perform self-tests which are explained
in
paragraph
2.10.
2.10
MENU
IIEHU
••
EXP
D
CANCEL
D
ENTER
D
+
performed over the
IEEE-488
bus. Bus operation infor-
mation will
be
provided where appropriate.
Menu is used to check
and/
or
change certain aspects of
Source
Measure
Unit
operation
and
perform self test.
These include:
•
Delay for de operation
•
Default delay (on
or
off)
• Sensing
(local
or
remote)
•
Ac line frequency
(50
or
60Hz)
•
IEEE-488
address
•
Display Test
•
Memory Test
•
Factory initialization
Menu is enable
by
pressing the
MENU
button
and
is de-
noted
by
the indicator. Menu is disabled
by
again press-
ing
MENU.
The structure for
menu
items is shown in Figure
2-28.
When
menu
is enabled, the Source Measure
Unit
will dis-
play the first operation
menu
item; de delay. Any one of
the eight
menu
items can be displayed with the rotary
knob.
I
00.000
SEC
DC
DELAYI
I
ON
DEFAULT
DELAY
I
I
LOCAL
SENSE
I
I
60Hz
AC
LINE
I
:o
16
IEEE
ADDR
I
Rotary
Knob
I
DISPLAY
TEST
I
I
MEMORY
TEST
I
I
FACTORY
INrT
I
Menu is a function of front panel operation. However,
Figure
2-28.
Menu
Items
many of the operations performed
by
menu
can also be
'----------------------'
2-36 +
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