Agilent Technologies e4418b, e4419b manual Procedure, Range Polarity Normal Function Standby Line

	Performance Tests
	Zero Test
	Procedure
	The following procedure should be performed for the Zero Test.
Note	The procedure details the key presses required on the
	Agilent E4418B. For the Agilent E4419B the equivalent key
	presses should be performed on both channels.

1.Connect the equipment as shown in Figure 2-1.

2.Switch the power meter on.

3.Press PreseLocal t then Confirm .

4.Press dBm/W , W for a reading in watts.

5.Set the range calibrator as follows:

RANGE	3 ∝W
POLARITY	NORMAL
FUNCTION	STANDBY
LINE	ON

Note	When switching the range calibrator to STANDBY, allow enough
	time for the range calibrator to settle to its zero value before
	attempting to zero the power meter. This settling would appear on
	the power meter display as downward drift. When the drift has
	reached minimum, (typically less than 60 seconds), the range
	calibrator is settled.
	6. On the power meter press	System	,		,		,
				Input Settings
						More
		Inputs

Filter , Filter On , Mode Man , Length , and set the filter length to 512 in the pop up window then press Enter .

7.On the power meter press ZerCalo , Zero. Wait approximately 10 seconds for the wait symbol to disappear.

8.Wait 30 seconds then verify that the power meter’s reading is within ±0.05 ∝W. Record the reading.

Table 2-2: Zero Test Results

		Channel B
Min	Channel A	Actual Result	Max
	Actual Result	(Agilent E4419B
		Only)
-76.40 nW	________________	________________	+76.40 nW

2-6 Agilent E4418B/E4419B Service Guide