Agilent Technologies 4284A Service Manual page 32

8. Load the calibration program in the computer, the file name is "ADJ_4284A".
Do n o t remove the Adjustment Program Disk from the computer
while the adjustment program is running.
9. Press the computer's RUN key, then copyright and other information are dis-
played. Press the 'Next Step' softkey to continue the program.
When the computer cannot access the HP 4284A, the HP-IB address
registration display appears. E n t e r the HP 4284A's HP-IB address
using the numeric keys and the 'Enter' softkey.
10. After the copyright and other information are displayed, the Main Menu will be
displayed. I n the main menu, you can select the necessary adjustments using
the softkeys.
When you perform the adjustments, refer to paragraph 2-10 DC Bias
Level Adjustment, 2-11 Test Signal Level/Level Monitor Adjustment
and 2-12 Impedance Measurement Adjustment.
2-7-3. CLOSING PROCEDURE
This paragraph gives the procedure to finish the adjustment program. When the adjustment
program is finished, HP 4284A's calibration data must be write protected.
1. The Main Menu is displayed on the controller's screen. Press the 'Exit' softkey
to finish the calibration program. Then the write protect display will appear.
2. Turn the HP 4284A OFF.
3. Replace the HP 4284A's EEPROM write protect jumper (A7W2) t o its Normal
position (N).
4. Replace the shield plate and the top cover.
5. Turn the HP 4284A ON.
6. Press the 'Ready' softkey to examine the write protection and finish the adjust-
ment program.
NOTE
NOTE
NOTE
2-9
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