User Guide

Issue 1 12/04 COMPANY CONFIDENTIAL 84
Copyright © 2004 Nokia. All Rights Reserved.
RAE-6/RA-4
3 - Service Software Instructions Nokia Customer Care
TX I/Q Tuning
850 MHz tunings only for RA-4 and 900 MHz tunings only for RAE-6.
Spectrum analyzer is needed.
Tx IQ Tuning allows changing the Tx I DC Offset, Tx Q DC Offset, Amplitude dif-
ference and Phase difference.
Must be done separately on all bands
!
To start tuning at the GSM850 band:
1. From the Tuning menu, choose “Tx IQ Tuning”.
Tx IQ Tuning window appears.
2. To begin tuning, click Start.