8163A/B, 8164A/B, 8166A/B User’s Guide 457
Firmware Upgrades 16
Now you must be quick:
• Press and hold the Preset hardkey.
• Still holding Preset, press and hold the Aux hardkey.
• Still holding Preset and Aux, press and hold the Appl hardkey.
Tip: Use three fingers and place them near the keys in advance!
If you were successful, you hear a double beep and the display shows
that the instrument is in download mode. Otherwise, turn off the power
and try again.
3 Follow the instructions that appear on the screen.
4 Insert Disk_2 when requested to insert the disk containing the file
"firmware.2".
5 After the programming finishes, cycle the power. The instrument will
reboot with the new firmware. Don't forget to remove DISK_2.
Keysight 8164B Firmware Upgrade Procedure
To upgrade the 8164B firmware:
1 Connect your instrument to your PC with the serial cable.
2 Turn on the 8164B and wait until the Keysight screen appears.
Quickly:
• Press, but do not hold the Aux hardkey
• Press the Appl hardkey.
If you were successful, the instrument displays:
“Instrument Maintenance Mode”.
Otherwise, turn off the power and try again.
3 At your PC, run the update tool to start ATTools_v1_2x.exe.
Click OK to confirm that you have completed steps 1 to 3.
When the serial connection has been established, which may be after a
pause of around 30 seconds, the ATTools user interface is displayed.
The upgrade process with floppy disks used for the 8164A is not
supported for 8164B instruments.
You require a PC, running Windows, and a null-modem serial cable, such
as is supplied with your 8164B mainframe.
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