User Guide

NPL-4/5

Nokia Customer Care

Compensate for external RF cable and test jig losses.

- Adjust the “Input signal Level (dBm)” field to -60 [dBm] on the “Rx Band Filter

Response Compensation” window.

- Set the RF source as indicated in the pop- up window:

1 ) Power Level: -60 dBm

2 ) Frequency: 867.267710 MHz

- Press “OK”.

The setup should now look like this:

Figure 10: RF Source Indication

Follow the instructions for power level and signal frequency input for the remaining

“Manual Tuning” stages 2 to 9 as indicated on the pop- up window.

- Press “OK” after each step.

- Press “Save and continue” to tune GSM1800 and GSM1900.

Autotuning

A faster and more comfortable method for Band Filter Calibration can be performed by

automatic tuning. This requires an RF signal generator that can be

• Internally programmed for sweeping or