User's Manual

P25net Channel Controller Operations Manual
3-10
3.9.3.3 Change the test tone selection on PCCT to Short Square Wave (100Hz)
and verify the demodulated audio oscilloscope displays a good
approximation of a square wave with generally flat high and low levels
(Figure 3-11). A poor square wave indicated the radio needs to be aligned
with the factory service software to achieve better DC Balance.
Figure 3-11 Test Set Oscilloscope: Short Square Wave