3-12 DC Current Source Operation Model 6220/6221 Reference Manual
Return to Section 3 topics
Figure 3-4
Source and compliance editing – Model 6221
Perform the following steps to set source and compliance values for the Model
6221. The notes in the steps refer to the “Source/compliance editing notes,” on
page 3-11.
Step 1 Select DC output mode
1
– Press the DC Output Select Key to select
the DC output mode.
Step 2 Select source range
2
– Use the Range Keys to select a source range.
Step 3 Enter source editing mode
3, 4, 5
– Use the EDIT Key to select the I-
source field or V-compliance field (EDIT annunciator turns on). The edit-
ing mode will cancel if an editing action is not performed within six sec-
onds. To re-enter the edit mode for the same field, press a Cursor Key,
or push and release the Rotary Knob.
Step 4 Set source or compliance value
2, 6, 7, 8
– Use the Value Adjust
Method or Numeric Entry Method to edit values. Use these editing tech-
niques for both methods:
• To set the I-source value to zero or set the V-compliance value to
0.10V (minimum), press the 0000 key.
• To toggle the I-source polarity, press the +/- key.
Value Adjust Method:
a. Use the Cursor Keys to place the blinking cursor on the digit to
be edited.
b. Turn the Rotary Knob clockwise to increment the value, or
counter-clockwise to decrement.
Numeric Entry Method:
a. Use the Cursor Keys to place the blinking cursor on the digit to
be edited.
b. Key in a digit by pressing a number key (0-9). The cursor moves
to the next digit. Edit each digit as needed.
RANGE
RANGE
AUTO
Rotary Knob & Cursor Keys Range Keys
PUSH TO ENTER
CURSOR
Select next
higher fixed
range.
Select next
lower fixed
range.
Numeric Entry Keys
0 1 2 3 4 5 6 7 8 9 +/ 0000
DC
DC Output
Select Key
ENTER / EXIT Keys
EXIT ENTER
EDIT/
LOCAL
EDIT key
Select best
fixed range.
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