Maintenance
WFM 601A, WFM 601E, & WFM 601M Service Manual
6–41
8. The program asks you to confirm the upgrade to a new version of software.
H
To upgrade your software, type
.
H
To exit the Upgrade program without changing your waveform monitor,
type
.
9. The program displays status messages as the upgrade progresses. The
program saves NVRAM to NVDATA.txt, then erases both NVRAM and
flash EPROM. The program then loads new software into the EPROM, then
loads NVDATA.txt back into NVRAM. After approximately 35 minutes, the
program completes and displays a message indicating that the upgrade was
successful.
If the error message “Failed to restore CAL Constants” appears, try reloading
the NVDATA.TXT file using the instructions on page 6–45.
You have successfully loaded the new software.
Use the following procedure to configure the Main board in a waveform monitor.
You may need to configure the Main board after replacing or repairing it. You
must always run the Upgrade program following replacement of the Main board.
With the Upgrade program (UPGRADE –C), you configure the Main board with
the current Model type, Serial number, and date.
Applying Power After Installing a Main Board.
To check a replacement Main board,
connect the completely assembled waveform monitor to AC power and press the
power switch. The waveform monitor will either power up and display the usual
Display mode window or show the following error message:
This error indicates that you need to use the Upgrade program to configure the
Main board and, possibly, load software. If this error occurs after you have
performed the configuration procedure, it could indicate that you entered
incorrect information during the upgrade. Disconnect power and check that all
circuit boards and connecting cables are properly seated.
CAUTION.
Interrupting the Upgrade program before normal completion will
corrupt the Flash EPROM. Ensure that your PC and waveform monitor are not
used or interrupted while the Upgrade program is running. To recover from an
unsuccessful upgrade attempt, see Recovering from an Interrupted or Failed
Upgrade on page 6–45. If this recovery procedure is not successful, return the
waveform monitor to Tektronix for repair.
Configuration After
Replacing or Repairing
the Main Board
Summary of Contents for WFM 601A
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