User Guide

PAMS Technical Documentation Service Software
NSB-5
Issue 1 03/01 Nokia Mobile Phones Ltd. Page 41
-Band= GSM1900
-Active Unit= TX
-TX Data Type= Cont1
-TX Power level= 15
-Operation Mode= Burst
The “TX I/Q Tuning” dialog box is opened.
Figure 18: TX I/Q Tuning Menu
Dialog mode: modal
The “TX I/Q Tuning” dialog box has following items:
Tune TX I DC Offset scroll bar (ALT+I):
The DC Offset is shown as percents (%) from the ± maximum value. 0% means that there
is no DC. The value range is -100%...100%. The value is rounded to the nearest integer
value.
Tune TX Q DC Offset scroll bar (ALT+Q):
The operation of this function is the same as one above, except with this selection the Q
branch DC Offset is tuned. The value range is -100%...100%. The value is rounded to the
nearest integer value.
Amplitude Difference scroll bar (ALT+A):
When this selection is made, the user can increase or decrease the amplitude difference
within 0.1 dB steps. The value range is -1...1.
Phase Difference scroll bar (ALT+P):
When this selection is made, the user can increase or decrease the phase difference
within 0.5° steps. The current phase difference is shown on the tuning window with
numbers and bar figure. The value range is -85...90.
Save button (ENTER):
Dialog is closed and tuning is saved to phone.
Cancel button (ESC):