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Verify Successful Installation
1. Turn the analyzer off and then on.
2. Verify the following information on the display:
a. The new firmware revision number matches the number printed on the firmware disk.
b. All other options have been re-established.
3. Repeat the section titled "Perform the Operator' s Check," located earlier in this document,
4. Turn the analyzer off.
5. Move the A7 switch back to its NORMAL position. Refer to Figure l-3.
6. Reinstall the rear panel assembly by reversing the order of the removal procedure.
Troubleshooting
1. If the display information is not observed, as listed previously in the section titled "Verify
Successful Installation," examine all connections to the CPU board. Improper connections
may be diagnosed as follows:
a. If the Channel 1 and Testport 1 LEDs are on but the display is blank, examine the item 4
ribbon cable connector. Refer to Figure l-2.
b. If the Testport 2 LED is on but the display is blank, examine the item 3 ribbon cable
connector.
Installation Note 09720.90372
15
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