Operator's Check - Keysight Technologies N4000A SNS Series Operating And Service Manual

All of the operator's checks are performed using a Keysight Noise Figure Analyzer
with firmware version A.01.01 and above. This can be used to perform an
operational verification check.

Operator's check

The operator's checks in this section should be performed if failure of the SNS
series smart noise source is suspected. The checks can be used only to verify that
the SNS series smart noise sources are producing a broadband noise spectrum.
They cannot be used to check the units against specifications.
The operator's checks are designed to find a fault in the SNS. However, the fault
NOTE
could equally be with the cable and this should also be checked.
Operator's check for data communication
The following procedure checks that the SNS can transfer the ENR data to the
NFA.
1 Remove any cables from the NFA input and SNS drive.
2 Press the Preset key. Wait until the preset routine is complete before
The preset condition used is the NFA default of Preset (Factory).
NOTE
3 Press the ENR key.
4 Press the SNS Setup menu key.
5 Press the Preference menu key and set it to Preference (SNS).
6 Press the Auto Load ENR menu key and set it to Auto Load ENR (Off).
7 Connect the SNS to the NFA Port using the multi-pin 11730 cable, as shown in
Keysight N4000/1/2A Operating and Service Manual
proceeding.
Figure 4-2 on page 32.
Operating Guide 4
31