Agilent Technologies 35670-90066 manual Set the oscilloscope as follows

Adjusting the Analyzer	Agilent 35670A
To adjust the ADC gain, offset and reference

•Set the oscilloscope as follows:

Channel 1	Volts/Div	20 mV/div
	Offset	0V
	Coupling	1 MΩ ac
Channel 2	Volts/Div	500 mV/div
	Offset	0V
	Coupling	1 MΩ ac
Time Base	Time/Div	1.0 ms/div
	Sweep	Triggered
Trigger	Source	Channel 2
	Level	500 mV
	Slope	Positive
	Mode	Edge
Display	Mode	Repetitive
	Averaging	On
	No. of Avg.	8
	Screen	Single

•Remove the cable from A5 P4. Connect a jumper from A5 TP8 to A5 TP300.

•Press [ Preset ] while setting the power switch to on ( I ).

•Press the following keys:

[System Utility ] [ MORE ]

[ SERVICE TESTS ] [ ADJUSTMTS ]

[ ADC ADJUSTMNT ]

[ SECOND PASS GAIN ]

Wait for the analyzer to set up the adjustment. The analyzer is ready when the adjustment message appears on the screen.

•Adjust A5 R407 for a flat trace on the oscilloscope.

•Set the power switch to off ( O ).

•Disconnect the capacitive load and connect the 1:1 oscilloscope probe directly to the oscilloscope input. Attach the probe to A5 TP402 and the probe ground clip to the instrument chassis.

•Change the set up for the oscilloscope as follows:

Channel 1	Volts/Div	115 mV/div
	Coupling	1 MΩ dc
Channel 2	Coupling	1 MΩ dc
Time Base	Time/Div	500 ms/div
Display	Averaging	off
	Display time	2.00 s

•Set the power switch to on ( I ).

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