Source: stream/dyn_spect/Mfsa/mfsa_dyn_spect_stream__set_channel.pro
mfsa_dyn_spect_stream::set_channel Set the channel for a mfsa dyn_spect stream. Usage: rc= strref -> set_channel(channel) Argument: channel string The channel group to be assigned to the stream. Keyword: null If set, then clear the channel and return 0 species int/str The species response to use. safe int The means of choosing band range (0=all, 1=safe, 2=user) limits int If safe=2 then the channel limits to use (bounded by the definition limits) History: Original (after spect): 14/8/01; SJT