User Guide

PAMS
Technical Documentation
NHB–3
Service Software Instructions
Original 26/97
Page 27
3.2.3.3 – Tune TX I and Q DC Offset
The operation of this function is the same as one above, except with this selec-
tion the both I and Q branch DC Offset is tuned. When plus <+> or minus <–>
–key / ( arrow keys left or right ) has pressed the both values are changed to
the same direction. If another value is in the limit value it does not change, but
the other value will change.
3.2.3.4 – Tune Amplitude Difference
When this selection is made user can increase or decrease the amplitude dif-
ference within 0.1 dB steps. The current amplitude difference is shown on the
tuning window with numbers and bar figure.
3.2.3.5 – Tune Phase Difference
When this selection is made user can increase or decrease the phase differ-
ence within 0.5 steps. The current phase difference is shown on the tuning win-
dow with numbers and bar figure.