The given string can either be ALL, in which case all bolometer channels will be selected, or be a list of words specifying parts of the 144 channel array. Each word in such a list must be separated from the others by ',', and the words can select bolometers by type - SHORT, LONG, P1100, P1300, P2000, SHORT_DC, LONG_DC, P1100_DC, P1300_DC, P2000_DC, or by channel number, either individually or as a range, specified by ADC letter and channel number e.g. a3. Allowed ADCs are A-I and channels 1-16.
Repeated words in the list will be ignored, as will repeated selections of the same bolometer by different routes.
The instrument sections returned in SUB_INSTRMNT will be arranged in the order SHORT, LONG, P1100, P1300, P2000.
CENTRE_DU3, CENTRE_DU4 will be set equal to ARRAY_CENTRE_DU3, ARRAY_ CENTRE_DU4 if the first word in the selection is SHORT, LONG, SHORT_DC or LONG_DC. They will be set to the offsets of the bolometer concerned if the first word in the selection is P1100, P1300, P2000 or a bolometer name like A7. If either of the coordinates ends up being set to the 'bad' value, they will be reset to zero and a warning message output.
Errors will be reported and bad status returned if -
SURF Programming Interface