First slider: Time interval between scroll use and item insertion.
Second slider: Time interval between item insertion and enchating process end. Most servers are set to detect that interval and prevent user from bypassing it. If it will be less than 2000, you are probably to be kicked from server. Default is 2000 ms ( 2 seconds ).
Third slider: Time interval between enchating process end and next attempt.
Enchant to: Value which indicates what enchant level of item you want.
Safe enchant: Value which indicates what enchant level is safe with EAS/EWS. Default is 3 ( for full body armor - 4 ).