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If the AUTO_FILTER flag is set, there will be an automatic attenuation of the beam during q-scans and reflection scans. The routine that adjusts the absorber uses the symbol SIGNAL as the input and moves the motor DIFF_ABSORBER, if it is necessary: If the current signal is above FILTER_MAX, it increases the current absorber position by FILTER_DELTA. Likewise, if the signal is below FILTER_MIN the absorber position is reduced by FILTER_DELTA.
e.g.:
* = fc_filter()
fc_filter() = 5