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Why do I get +943 "Remote module topology change" and +935 "Overcurrent detected" errors?
During operation, exceeding the 34945A, L4445A, or L4490A/L4491A internal switch drive power supply current specification of "100 mA continuous + 200 mA (15 ms pulse, 25% duty cycle)" can cause overcurrent conditions within the instrument’s power ...

FAQ 2012-07-17

Why do we see unused port in U2300A/U2500A with similar waveform and frequency but with lower amplitude to its adjacent or close by used port?
It is recommended to ground all the AI connection that is not being used. If you have multiples of AI channels to be used, one good way is to have…

FAQ 2010-08-09

When I sent commands using VISA (Both Keysight VISA and NI VISA), why must i put '\n' or '\r' after the commands for U2600A…
Please upgrade your U2600A firmware to version 1.05 or above

FAQ 2010-08-09

Why is my acquired data for U2300A and U2500A shifted? eg. Column 2 data is in column 1, column 3 data is in column 2, and so on.
Install DAQ hardware driver version 1.05 and above.

FAQ 2010-08-09

Why USB modular instruments (U272XA, U2741A, U2751A and U2761A) is not detectable by E5813A?
PC is failed to enumerate the USB modular instrument.

FAQ 2010-04-09

34970A: Is there a battery in the Keysight 34970A?
Yes. the 34970A contains an internal battery that provides power to the internal real-time clock, stored states, and reading storage memory when the instrument ac line power is removed.

FAQ 2010-01-12

Why do I receive an error message below ?
Generally, if you are sampling at 60kSa/s and above, you should use high sampling mode to acquire data. This is just a rough guideline. If you encountered this message even when....

FAQ 2009-08-06

E8491B/E1406A/E9851A: Differences between the SYSFAIL and FAIL LEDs on VXI Slot Controllers
SYSFAIL is usually tied to the backplane SYSFAIL line, and indicates the state of this backplane line. It will be asserted at power-on by all devices in the system and should go off when the devices pass their internal self-tests.

FAQ 2004-06-28

E1406A: Why might Model E1406A drivers disappear?
The drivers are in RAM and the battery voltage is low.

FAQ 2004-04-01

34970A: How can I turn off the 34970A's beeping noise?
There is no way to disable the beep sound in the 34970A.

FAQ 2003-12-02

34970A: How Do I Clear Error 306?
Error 306 occurs when you try to reassign a channel needed for a 4 wire measurement.

FAQ 2003-11-20

Why do I see the error message: "Corrupt on board flash" from flsh1413.vee, flsh1415.vee, or flsh1419.vee?
flsh1413.vee, flsh1415.vee, and flsh1419.vee are VEE programs used to download a new revision of flash to the E1413, E1415, or E1419.

FAQ 2002-09-17