Tektronix WFM 601A, Service Manual

Page: 166 / 368

Maintenance
6–46
WFM 601A, WFM 601E, & WFM 601M Service Manual
5. Type and press ENTER.
The option attempts to reload the NVDATA.TXT file, but makes no other
changes to your waveform monitor.
6. When asked for the COM port, enter the number of the port you are using.
The Upgrade program now attempts to restore the information from NVDA-
TA.TXT to NVRAM.
After completing any of the upgrade or configuration procedures, adjustment
may be required. All procedures require performance of the procedures in the
Performance Verification section to ensure operation to the advertised specifica-
tions. Table 6–11 lists the procedures required following each type of upgrade or
configuration. If a software upgrade kit indicates different adjustment require-
ments than those listed in Table 6–11, follow the kit instructions.
Table 6–11: Adjustment and verification required after an upgrade or
configuration
Upgrade
procedure Performance
verification
Limited
adjustments (see
following topic)
Full adjustment
procedures
Load V2.23 software only Yes Yes No
Replace -00 or -01 boot ROM
and load V2.23 software Yes Yes No
Configure A3 Main board for new
model
1
Yes No Yes
Replace A3 Main board and
configure for current model
1
Yes No Yes
1
The calibration information stored in the replacement A3 Main board is not optimized
for the circuitry in the new model or instrument. You must perform the full Adjustment
Procedures to ensure correct and specified operation.
Following the upgrade to V2.23 software, you must adjust the Arrowhead display
offset and the 1H and 15H Intensities using the included Adjustment Procedures
Software disk. To make the required adjustment, follow these steps:
1. Connect the serial output of a television signal generator to the waveform
monitor SER A input. Terminate the loop-through input with a high-
frequency (HF) 75 ohm terminator. Select a 100% Color Bar signal.
2. Load the Adjustment Procedures Software disk and run the cal.exe program.
Refer to section 5 of this manual for more information on running the cal.exe
application.
Adjustment and
Verification Following an
Upgrade or Configuration
Limited Adjustments