User Guide

5. When the values have been written to the phone memory, click the Finish button to end the tuning.

6. Change band to GSM850 and repeat steps 4 to 5.

7. Change band to GSM1800 and repeat steps 4 to 5.

8. Change band to GSM1900 and repeat steps 4 to 5.

9. To close the tuning window, click Close.

Next actions

Tuning sliders should be close to the center of the scale after the tuning and within the limits specified in

the table below. If they are not within the limits, check Tx IQ quality manually.

Min Typ Max Unit

GSM850

I DC offset / Q DC

offset

-6 -4 6 %

Ampl -1 0 1 dB

Phase 85 90 95

○

GSM900

RM-170; RM-171

Nokia Customer Care RF Troubleshooting and Manual Tuning Guide

Page 7 –32 COMPANY CONFIDENTIAL Issue 1