XIV, 97. (39) [The resultant] mind-element has the characteristic of cognizing
[respectively] visible data, etc., immediately next to (34)-(38) eye consciousness,
and so on. Its function is to receive visible data, and so on. It is manifested as the state [of receiving] corresponding to that [last-mentioned function]. Its proximate cause is the departure of eye consciousness, and so on
XIV, 107
Herein, the mind-element has the characteristic of being the forerunner of eye-consciousness, etc., and cognizing visible data, and so on. Its function is to advert. It is manifested as confrontation of visible data, and so on. Its proximate cause is the interruption of (the continued occurrence of consciousness as) life-continuum (bhavanga). It is associated with equanimity (upekkha) only.