User Guide

NSB-5
Service Software PAMS Technical Documentation
Page 40 Nokia Mobile Phones Ltd. Issue 1 03/01
-Carry out all tuning steps in the shortest possible time to avoid excessive heating of RF
units.
-Perform all tuning steps in the order presented.
-Never try to mask a fault by tuning it out!
Tuning targets:
The level of the carrier (center frequency CHF) should be at least 30 dB below the
wanted sideband CHF - 67.71 kHz. The level of the unwanted sideband at CHF +
67.71 kHz should be at least 35 dB below the wanted sideband CHF - 67.71 kHz.
Figure 17: TX I/Q Tuning Menu
Dialog mode is modal
The “Start Tuning” dialog box has following items:
Start Tuning with list box (ALT+S):
EEPROM values
-Tuning values are loaded from the phone’s EEPROM.
Factory Default Values
-Tuning values are loaded from phone’s Flash.
Current Values in PC Memory
-Tuning values are loaded from program’s internal memory.
OK button (ENTER):
Selects the memory where the start values for the tuning are placed, closes the dialog
box, and continues with the TX I/Q dialog.
Cancel button (ESC):
Closes the dialog box and cancel TX I/Q tuning.
Help button (ALT+H):
Context-sensitive help.
The next automatic selections are made, and the RF Information window is updated
when this function is activated: