User Guide

RA-2/3
Nokia Customer Care 3 - Service Software Instructions
65 COMPANY CONFIDENTIAL Issue 1 09/04
Copyright © 2004 Nokia. All Rights Reserved.
■ Rx DtoS balance calibration
• Rx DtoS balance calibration is used for calibrating DSP control word values.
• Calibration must be done separately on each band.
• Start Rx DtoS balance calibration at GSM850/EGSM900, then continue at
GSM1800 band and finally at the GSM1900 band.
• Remember to take jig and cable attenuations into account!
To start Rx DtoS balance calibration:
1. From the Tuning menu, choose “Rx DtoS Balance Calibration”..
2. Click OK and Start.
Tuning begins automatically at the GSM850 band.
3. To start tuning with values already saved to the phone, click OK.