l If there are more errors than can fit in the queue, the last error stored is replaced with -350,"Error
queue overflow". No more errors are stored until you remove errors from the queue. If there are no
errors, the instrument responds with +0,"No error".
l Except for selftest errors, errors are cleared when exiting the Error Log menu or when cycling
power.
If you suspect that there is a problem with the power analyzer, refer to the Troubleshooting section
later in this document.
Press Meter View to return to the Meter View.
View Instrument Identification
You can quickly view the output ratings, model numbers and options of all power modules installed in
your instrument. You can also view the mainframe serial number and firmware revisions. Press the
Settings key and then press the Properties key. The Power Supply Ratings window will appear.
The serial numbers of the power modules are located on their respective top covers.
Press Meter View to return to the meter view.
From the remote interface:
For the power analyzer mainframe, you can programmatically query the model number, serial
number, firmware revision, backup and active firmware. Send the following query:
*IDN?
For power modules, you can programmatically query the model number, serial number, installed
options, voltage, current and power rating. Send the following commands:
SYST:CHAN:MOD?(@1)
SYST:CHAN:OPT?(@1)
SYST:CHAN:SER?(@1)
You have the ability to change the identity of the mainframe. This functionality is only
intended for compatibility with previous "A"and "B" version mainframes. To change the
identity refer to *IDN Setup.
Keysight N6705C Operating and Service Guide 79
3 Using the Source Functions
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