Installing Or Changing A Serial Number - Keysight N5227A Service Manual

General Purpose Maintenance Procedures
Option Enable Utility

Installing or Changing a Serial Number

It is necessary to reinstall the instrument serial number if the test set motherboard is replaced.
IMPORTANT Use extreme care when entering the serial number, as only one attempt is allowed.
1. To change a serial number, select
page 8-13). The current serial number is displayed. If no serial number has previously been entered, the
word "NONE" will be displayed.
2. VERY CAREFULLY, type the new serial number into the space provided and then click
3. If an error is made in entering the serial number, obtain a clear code from Keysight, enter the clear code
in the space provided and click
NOTE To change an incorrect serial number, a clear-code password is required. Contact Keysight to
obtain the clear-code. Refer to
8-16
from the
Change Serial
. The correct serial number can then be entered.
CLEAR
"Contacting Keysight" on page
PNA Series Microwave Network Analyzers
menu bar (see
Option Enable
2-6.
Service Guide N5227-90001
N5227A
Figure 8-6 on
.
Change