hii anyone use silver chess clock of ECI?? I bought it few days ago and facing problem whenever i try to save mode 13 as 90min per game with 30sec increment.

I try to edit mode 04(which is 25 min+10sec. increment) and then when i start the clock at first move it takes 30sec increment but after that it takes only 10sec. increment.The only problem is incrementation.Can anyone give a hint what i can do??