User Guide

9. In the Auto-Tune options window, see that the "Enable showing of messages" check box is checked,

then click OK.

10. To complete the RF autotuning, click OK.

Results

"Autotuning completed successfully" message appears.

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 GSM.

Table 10 Rf channel filter calibration tuning limits

Min Typ Max

Tx filter 0 10 31

Rx filter 0 16 31

Steps

1. From the Operating mode drop-down menu, set mode to Local.

2. Choose Tuning→Rf Channel Filter Calibration .

RM-170; RM-171

RF Troubleshooting and Manual Tuning Guide Nokia Customer Care

Issue 1 COMPANY CONFIDENTIAL Page 7 –21