4 System
4.4 Power On
silently reverts to FS1 behavior.
Switching Between Enhanced Sweep Speed and Time Domain Scan FPGA
Images
You cannot have both full TDS and FS2 images at the same time, so to switch to the
other image, you must go through the process of reloading the FPGA by choosing
the desired image with the Selected FPGA control, and pressing "Load FPGA" on
page 1789, or issuing the “Load FPGA” SCPI command below with the proper
parameter.
Incorrect FPGA Configuration
If EMI Receiver Mode, Option TDS, or Option FS2 license is removed while the FPGA
image for that license is loaded, the instrument ends up in an incorrect
configuration, since the loaded FPGA image version has support for unlicensed
functionality that is not accessible and does not support the currently licensed
functionality. It will still function, but when the instrument recognizes this situation
at startup, it automatically displays the FPGA Configuration dialog. The only
selections available will be the licensed ones, but you can choose to dismiss the
dialog and continue with the current FPGA image version if you do not want to take
the time to load the correct FPGA image. The dialog will continue to be presented at
each startup until the correct FPGA image is loaded.
FPGA Updates When Firmware Installs
The FPGA image and X-Series firmware are tightly coupled, so whenever the
firmware is updated, the FPGA image is also checked and updated if needed. The
rules for choosing between Time Domain Scan and Enhanced Sweep Speed versions
of the FPGA image are:
1.
Always use Time Domain Scan FPGA image for MXE
2.
If neither EMC Mode nor Option TDS nor Option FS2 are licensed, the Enhanced
Sweep Speed FPGA image is loaded
3.
If EMC Mode and Option TDS are licensed and Option FS2 is not licensed, the
Time Domain Scan FPGA image is loaded
4.
If EMC Mode and Option TDS are not licensed, and Option FS2 is licensed, the
Enhanced Sweep Speed FPGA image is loaded
5.
If all are licensed
a.
If "FPGA Load Preference" on page 1788 is Time Domain Scan, the Time
Domain Scan FPGA image is loaded
1787 Short Range Comms & IoT Mode User's &Programmer's Reference
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