Choice of channel to be used if spectrometer has more than one channel.
Value
A numeric index suitable for use in calls to functions defined in package 'rOmniDriver' based on which package 'ooacquire' is coded.
See also
Other interactive acquisition utility functions:
choose_sr_interactive()
,
f.trigger.message()
,
list_srs_interactive()
,
protocol_interactive()
,
set_attributes_interactive()
,
set_folder_interactive()
,
set_seq_interactive()
,
set_session_name_interactive()
,
set_user_name_interactive()
,
tune_interactive()