User Guide

12. Change the phone RF adapter from WCDMA port to GSM port.

13. To complete the RF autotuning, click OK.

Results

Autotuning completed successfully!

message appears.

RF manual tuning guide

Required manual tunings after component changes

Important: After RF component changes, always use autotuning. Manual tunings are only required

in rare cases.

System mode independent manual tunings

Rf channel filter calibration

Context

Rf channel filter calibration tunes the internal low pass filters of Rx and Tx ASICs that limit the bandwidth of

BB IQ signals.

One common calibration is made for both GSM and WCDMA.

RM-49

RF Troubleshooting and Manual Tuning Guide Nokia Customer Care

Issue 1 COMPANY CONFIDENTIAL Page 7 –17