i have 2 of those chargers i will walk you thru it
step 1 turn on charger
step 2 go to edit charge tab and press enter
step 3 press up arrow 1 time to highlight novak nimh2 and hit enter
step 4 it will ask for how many cells enter 6...unless your running less or more cells and set it at 5.0 amps hit enter and enter again and your done start charging
hope that helps