Agilent Technologies E4406A VSA Series Service Manual page 240

Post-Repair Procedures
External Keyboard Test
c. If the external keyboard connection is functioning correctly, the
Main Menu: Enter Command> prompt will be displayed. Type
pa key front_panel and press
restored to front_panel upon next reset. A message should appear
on the instrument screen that tells you that the keyboard path is
PS2. This will further confirm that the external keyboard is
functional.
7. From the external keyboard, enter 99 and press
the instrument and restore the key path to the front panel key pad.
If the keyboard path is shown as PS2, perform the following steps to
verify keyboard operation.
1. Connect a PS2 keyboard.
2. To confirm the operation of the external keyboard perform the
following steps:
a. Reboot the instrument and watch the instrument display. When
the message To discontinue, press any key within 2
seconds appears, press the space bar on the external key board to
interrupt the boot process.
b. If the external keyboard connection is functioning correctly, the
Main Menu: Enter Command> prompt will be displayed. Type
pa key front_panel and press
restored to front_panel upon next reset. A message should appear
on the instrument screen that tells you that the keyboard path is
PS2. This will further confirm that the external keyboard is
functional.
240
Enter
. The key path will now be
Enter
. This will reset
Enter
. The key path will now be
Chapter 5