Wavecom W-SPECTRA (Automatic Monitoring System) V1.1.0 - Manual (Page 225)

WAVECOM Monitoring System W-SPECTRA, W-SPEED Manual V1.1.0 Classifier – the Brain of W-SPECTRA 
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PSK For phase shift keyed signals the entry window looks like the example below for GW-PSK.
OFDM For orthogonal frequency division multiple signals the entry window looks like the example below
for MT63-1000.
CW For continuous wave signals the entry window looks like the example below.