Nokia n81 Service Manual page 162

2. Choose File→Scan Product .
3. From the Operating mode drop-down menu, set mode to Local.
4. Choose Tuning→WCDMA→R4 Tx Band Response Calibration .
5. Click Start.
The current values are shown in the
6. Click Tune.
7. Connect the power meter to the terminal, and set it to Channel Mid frequency.
8. Read the values of slot 1 and slot 2 from the power meter and enter them to Middle power level fields
in the Measured Power Levels pane.
Slot 1 is used for detector calibration and slot 2 for Tx calibration.
9. Click Next.
10. Switch the power meter to Channel Low frequency.
11. Read the values from the power meter, and enter them to Low power level fields.
12. Switch the power meter to Channel High frequency.
13. Read the values from the power meter, and enter them to High power level fields.
14. Click Next.
15. Click Calculate.
The tuned values are shown in the
16. Check that the tuned values are within the limits presented in the following table. If they are OK, click
Yes.
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Tuned Values pane.
Tuned Values pane in the New column.
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RM-179; RM-223
RF troubleshooting
Issue 1