On 1st line, 1st position, select lipo, move over to 2nd position select 14.8v, move to 3rd position on 1st line and select 1500mah. This sets the charger to a 4s lipo with 1500mah and will charge the lipo at a rate of 1.5amps.

Ice can store these "battery charge profiles" and you can just recell them instead of entering everything every time. Its in the manual.