NEM-4
Company Confidential
RF Troubleshooting
CCS Technical Documentation
Page 6(b)-112
Copyright
2003 Nokia Corporation.
Issue 1 09/2003
Company Confidential
GSM1900 (PCS)
Band Filter Response Compensation has to be done first for EGSM and GSM1800 bands
(see previous chapters). After tuning the other bands have been tuned, the tuning con-
tinues automatically with GSM1900 and the following window should be seen:
Set the generator to sweep the frequency list as instructed and press OK.
Press Save and Continue. RX Band Filter Response Compensation for all three bands is
finished and the tuning is fully completed.
RX Channel Select Filter Calibration
This calibration is calibrating the Base band filter inside Mjoelner. It is done by internally
measuring a prototype filter, for this reason the calibration is done once, not separately
in 3 bands.
Set operating mode to local mode
Select
Tuning
Alt-u
RX Channel Select filter Calibration
H
Check Save to Phone box.
