User Guide

One common calibration is made for GSM.

Table 11 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 .

3. Click Tune.

4. To save the values to the PMM (Phone Permanent Memory) area, click Write.

5. To close the

Rf Channel Filter Calibration

window, click Close.

Results

Figure 52 Rf channel filter calibration typical values

PA (power amplifier) detection

Context

The PA detection procedure detects which PA manufacturer is used for phone PAs.

If a PA is changed or if the permanent memory (PMM) data is corrupted, PA detection has to be performed

before Tx tunings.

Steps

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

2. Choose Tuning→PA Detection .

3. Click Tune.

4. Check that the detected PA manufacturers are corresponding to the actual chips on the board.

5. To end the procedure, click Close.

RM-198

RF Troubleshooting and Manual Tuning Guide Nokia Customer Care

Issue 1 COMPANY CONFIDENTIAL Page 7 –23