Agilent Technologies 4339B, Operation Manual

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If Y ou Have a Problem 4339B
If Y ou Have a Problem
If the Display is Blank and the 4339B Appears Dead
If the display is blank, and even the annunciators are not ON:
Check the fuse .
If an Error Message is Displayed
Refer to \Messages ."
If the 4339B does not A ccept Any K ey Input
Check whether the Rmt annunciator( 9 ) is ON.
Check whether the external controller is disabling all the front-panel controls using the
LOCAL LOCKOUT command.
If so , send the LOCAL command from the external controller .
Press .
Check whether the K ey Lock annunciator( 9 ) is ON.
Check whether the handler or the 16064B LED display/trigger box is connected to the
4339B and it locks out the keys .
If so , unlock the keys from the handler or the 16064B .
Press .
If the Indicated V alue is not Stable
Shield the DUT to reduce the unwanted noise and the eect of operator proximity . F or
example , use the 16339A Component T est Fixture .
Do not move the test leads while measuring. Changing the position of the test leads may
cause noise inside the test leads .
P osition the 4339B on a stable place , where it will not be aected by vibration. Vibrating the
4339B may cause noise inside the 4339B.
Measurement value could vary in the case of faulty powre line frequency settings . Refer to
the \ Turning ON the 4339B" in Chapter 1 to set the powre line frequency .
If Y ou Find Y ourself Lost When Operating the 4339B
Press until the 4339B returns to the measurement mode .
Or press to return to the default settings .
2-22 Operating the 4339B