User Guide

NPM-6/6X
CCS Technical Documentation
Page 54 Copyright Nokia. All rights reserved. Issue 2 06/03
Transmitter tuning
TX Power Level Tuning
Power Meter (or Spectrum analyzer) needed.
With Tx Power Level Tuning, the coefficients are adjusted for each power level.
Must be done separately on all bands!
Start Power Level tuning at EGSM900, then continue at GSM1800 band and finally at
the GSM1900 band.
In EGSM900 band The power level tuning is made for both high and low PA Mode .
In GSM1800 and GSM1900 bands only for high PA mode.
Maintenance => Tuning => Tx power level tuning.
Remember to take the jig and cable attenuations into account!
Select “Start”, tuning begins automatically from the EGSM900 band