Specifications

2-10 Agilent 4155B/4156B Quick Start Guide, Edition 2
Making a Measurement
Step 4. Define the user functions
Step 4. Define the user functions
You define the user functions on the CHANNELS: USER FUNCTION
DEFINITION screen.
1. Select USER FCTN primary softkey. The CHANNELS: USER FUNCTION
DEFINITION screen appears.
2. Enter the user function information as shown in the following table:
After you complete the above instruction, the CHANNELS: USER FUNCTION
DEFINITION screen shows the following setup:
Action on Front Panel on Keyboard
To move the pointer, use arrow keys of
MARKER/CURSOR area.
use arrow keys.
To move the cursor to edit
in display area,
use arrow keys of Edit
area.
use
Backspace key.
To enter "SQID" in
NAME field,
press
+, 2, *, / keys, then
Enter.
type SQID,
then press Enter.
To enter "SQRT(ID)"
a
in DEFINITION field,
a. Square root operator (Ö
) is defined by "SQRT" built-in function.
press
+, 2, 3, p, blue key, (
keys, and ID secondary
softkey, then
) and Enter.
type SQRT(ID),
then press
Enter.
To enter "DSQID" in
NAME field,
press
/, +, 2, *, / keys, then
Enter.
type DSQID,
then press Enter.
To enter
"DIFF(SQID,VG)"
b
in DEFINITION field,
b. Partial difference (¶/¶) is defined by "DIFF" built-in function.
press
/, *, 7, 7, blue key, (,
blue key, +, 2, *, /, blue key,
, (comma) keys, and
VG secondary softkey,
then
) and Enter.
type
DIFF(SQID,VG),
then press
Enter.
To disable a user
function,
select
DISABLE FUNCTION
secondary softkey.
press
Shift-F7 key.