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Figure 131 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 27 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-25
Nokia Customer Care
RF troubleshooting
Page 7–30
Company Confidential
9235618 (Issue 2)
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