User Guide

PAMS
Technical Documentation
NSB–1/3
Service Software Instructions
Page 31
Original 06/98
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 Amplitude Difference scroll bar (ALT+A):
When this selection is made user can increase or decrease the ampli-
tude 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 dif-
ference within 0.5° steps. The current phase difference is shown on the
tuning window with numbers and bar figure. The value range is 85...95.
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 en-
ded:
Operation Mode = RX pulsed
Update RF Information window