For the optional four channel analyzer, do the following to adjust input dc offset:
•
Set the power switch to on ( I ).
•
Press the following keys:
[
System Utility ]
[
MORE ]
[
SERVICE TESTS ]
[
ADJUSTMTS ]
[
CHANNEL 1 ADJUSTMNT ]
[
OFFSET ]
Wait for the analyzer to set up the adjustment. The analyzer is ready when
the adjustment message appears on the screen.
•
Adjust A2 R39 in the lower slot for a Y: reading of 90 dBVrms or less.
•
Press the following keys:
[
Rtn ]
[
CHANNEL 2 ADJUSTMNT ]
[
OFFSET ]
Wait for the analyzer to set up the adjustment. The analyzer is ready when
the adjustment message appears on the screen.
•
Adjust A2 R39 in the upper slot for a Y: reading of 90 dBVrms or less.
•
Press the following keys:
[
Rtn ]
[
CHANNEL 3 ADJUSTMNT ]
[
OFFSET ]
Wait for the analyzer to set up the adjustment. The analyzer is ready when
the adjustment message appears on the screen.
•
Adjust A2 R539 in the lower slot for a Y: reading of 90 dBVrms or less.
•
Press the following keys:
[
Rtn ]
[
CHANNEL 4 ADJUSTMNT ]
[
OFFSET ]
Wait for the analyzer to set up the adjustment. The analyzer is ready when
the adjustment message appears on the screen.
•
Adjust A2 R539 in the upper slot for a Y: reading of 90 dBVrms or less.
Adjusting the Analyzer Agilent 35670A
To adjust the input dc offset
5-12
