25. Enter the insertion loss of the through cable (determined in step 15) and
press
:~~~~~~.
For example, if the insertion loss of the through cable at
.....
. . . . .
....
i
..:::.~.....~........~...~i...~;;......~..
1
GHz
is found to be 0.25
dB,
then press 1.25)
@.
26. When the analyzer completes the test, observe the display for the results:
n If you see Sampler Cor
-
DONE, you have completed this procedure.
n
Ifyousee Sampler Cor
-
FAIL, it is necessary to adjust the sampler gain
offset values, which are stored in EEPROM.
b.
Enter the new value at the accessed address by pressing
$jpKK:
(46)
a).
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.y:.
_
.,.,
‘..~..~.~.~,~,.,.
. . . . . . . ..
...:::::..
C-
Access the second address by pressing
~~~~~~~-:~~~~
c-1
Ixl).
d.
Enter the new value at the accessed address by pressing
$&%I,@
@
@.
e. Press
(FEZ]
for the analyzer to use the new values.
f. Repeat the “Sampler Correction Constants Routine” starting at step 16.
n If the analyzer continues to fail this adjustment routine, refer to Chapter
7, “Source Troubleshooting.
n
d.
Enter
the
new
value
at the accessed address by pressing
@$&I$:
(248_)
jxl.
e. Press
B
for the analyzer to use the new values
3-26 Adjustments and Correction Constants
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