User Guide

Nokia Customer Care

NPL-4/5

Rx band filter response GSM850

The GSM850 chapters apply only for NPL-4 (US- variant).

Manual Tuning:

Open the window “Rx Band Filter Response Compensation” in Phoenix Service Software

as follows:

- Select → Tuning (Alt-U)

- Select → Rx Band Filter Response Compensation (Alt-C)

The necessary band selection is made by Phoenix automatically in the low band.

Press Start and the current “Level Differences (dB)” are loaded from the phone memory

and displayed on the “Rx Band Filter Response Compensation” window.

The setup should now look like this:

Figure 9: RX Band Filter Compensation

- Connect an RF signal generator to the antenna port of the test jig respectively the

phone.

If a radio communication tester (CMD 55, CMU 200, HP 8960, MT 8801) is used, assure

that “continuous mode” is switched on and “modulation” switched off.