Nokia n80 User Manual page 257

RM-91; RM-92
RF Troubleshooting and Manual Tuning Guide
2. From the Tuning menu, choose GSM -> Tx IQ Tuning.
3. Set "Mode" to Automatic and "Edge" to Off.
4. Click Start.
Wait until automatic tuning has finished and moved the sliders.
Values are written to the phone memory automatically.
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