Nokia N72 Service Manual page 200

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9. Connect the signal generator to the phone and set frequency and amplitude as instructed in the
step 1 of 3 - Rx Band Filter Response Compensation for EGSM900 pop-up window.
10. To perform the tuning, click OK.
11. Go through all 9 frequencies.
The following window appears, showing signal levels for the input frequencies:
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RF Troubleshooting and Tuning Guide
RM-180
Tuning
Issue 1