104 Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
Service and Utility Menus
Main Firmware Service Menu
If selected by accident, reboot the instrument to return it to normal operation.
Use this feature if the normal firmware installation process will not work. See
Chapter 19, “Instrument Firmware and Operating System” for information on
how to reinstall the instrument firmware.
Bootup in factory preset state (ignore last/user state)
When the instrument firmware is run it will ignore the last state or user preset
state if one of them has been set to be used at power up. The instrument will
use the factory preset state. This could be used if a corrupt state is keeping the
instrument from booting up properly.
Remove all user files
This will delete all user files on the current user storage device. When the
instrument is restarted after removing the user files the following errors may be
seen:
-315, Configuration memory lost; Persistent state checksum is bad. Using
factory defaults.
-256, File name not found; /USER/USERFLAT/LAST
-256, File name not found; /USER/PTRAIN/LAST
The instrument will correct these errors after the power is cycled again.
Since this function will erase all user files on the active user drive it should not
be used unless it is necessary. If possible, backup the user files to an external
device before selecting this function.
Enable unsupported features
For factory use only.
Backup license data
Backs up the instrument license data from the A5 CPU assembly to the A3 RF
assembly.
Before an instrument leaves the factory, a backup of the installed license data
was performed so it could be restored in the future if needed.
After installing any licensed upgrade in the field this process should be run to
update the backed up license data.
Restore license data from backup
Restores licenses to the A5 CPU assembly that have been backed up to the A3
RF assembly. Before an instrument left the factory a backup of the license data
was performed so that all installed licenses could be restored at a point in the
future that they might be needed.
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