Able to see the digs being worked (7)
I believe the answer is:
sighted
'able to see' is the definition.
(sighted can mean having sight)
'the digs being worked' is the wordplay.
'being worked' is an anagram indicator.
'the'+'digs'='thedigs'
'thedigs' with letters rearranged gives 'SIGHTED'.
(Other definitions for sighted that I've seen before include "Seen" , "Saw; able to see" , "Noticed" , "Viewers are" , "Espied" .)