User Guide

PAMS
Technical Documentation
NSE 8/9
Service Software Instructions
Page 31
Issue 1 07/99
Dialog mode: modal
TX I/Q Tuning 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.
Tune A
mplitude Difference scroll bar (ALT+A):
When this selection is made user can increase or decrease the
amplitude difference within 0.1 dB steps. The value range is
–1...1.
Tune P
hase Difference scroll bar (ALT+P):
When this selection is made 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):
Dialog is closed and tuning
is not saved to phone.
After each value change the new value is sent to the phone.
The next automatic selection is made when TX I / Q tuning function is
ended:
Operation Mode = RX pulsed
Update RF Information window