14 Installation Note E4400-90167
Installing New Firmware
The firmware upgrade kit contains an installation note. Using the installation note, install the new
firmware.
Verifying the New Firmware
Perform the verification procedure described in the firmware upgrade installation note.
Activating Option UN8
1. Turn on the signal generator and allow it to warm up for at least 30 minutes.
2. Preset the signal generator, then press the MENUS hardkey Utility.
3. In the Utility softkey menu, select Instrument Adjustments.
4. Select Hardware Options. As when you removed Option UN3, the signal generator displays a list of
hardware options.
5. Highlight Option UN8.
6. Press the Select Item softkey. An X is placed in the Selected column for Option UN8.
7. To enable the selected options, press Proceed With Reconfiguration, then press
Confirm Change (Instrument will Reboot).
CAUTION If you enable an option without the required hardware installed, only the menus for that
option are activated; the option does not function.
Internally Recalibrating the Signal Generator
1. Preset the signal generator, then press the MENUS hardkey Utility.
2. In the Utility softkey menu, select Instrument Adjustments.
3. Select Hardware Options. Confirm that an X appears in the Selected column for UN8. If it does not,
go to step 5 in the procedure above, “Activating Option UN8”.
4. Select Calibrate Selected Items, then Start Calibration and Store Results.
The calibration takes about five minutes, during which, a message appears indicating that the
calibration is in progress. The message also shows the progress of the calibration, as percent complete.
When the calibration finishes, the message is replaced by the Hardware Options menu.
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