User Guide

Figure 144 Phoenix set-up (Tx IQ Tuning windows)

3. Select correct settings for the band you are tuning. The following table summarises the settings of the RF

control window for IQ tuning of the three bands.

Table 9 RF Control window settings

Band TX Data Type TX Power Level RX/TX Channel

GSM900 All 1 5 37

GSM1800 All 1 0 700

GSM1900 All 1 0 661

4. Start IQ tuning by pressing Start button in the TX IQ Tuning window.

The purpose of this tuning is to reduce the frequency components at marker 2 (carrier leakage) and marker

3 (+67kHz/upper sideband) as much as possible.

RM-51

RF troubleshooting Nokia Customer Care

9238460 (Issue 1) Company Confidential Page 7–29