Nokia 7250, 7250i Instruction De Maintenance
CCS Technical Documentation
NHL-4J/
Issue 2 06/03
Copyright Nokia. All rights reserved..
Page 41
RX Calibration
RF generator needed.
This tuning performs RX Calibration.
Must be done separately on every band!
Calibration is automatically performed at EGSM (GSM900), then at GSM1800 and finally
at GSM1900 band. If tuning is successfull, tuning continues in the next band.
at GSM1900 band. If tuning is successfull, tuning continues in the next band.
AFC tuning is done while EGSM (GSM900) band RX Calibration is performed.
Remember to take jig and cable attenuations into account!
Select Maintenance => Tuning => Rx calibration
Press “Calibrate"´to start tuning.
Set RF generator to required EGSM900 frequency => OK