You absolutely should disinfect eggs before putting them in the incubator. I use a food grade egg sanitizer.
The flashing light on the side just indicates the auto-turn is on.
The key with the Sportsman is to ensure proper humidity. There are several flaps in the back which can be opened and closed to adjust the humidity levels. Either get a hygrometer or use the wet-build temperature off your thermometer.
I find that with my 1502 the pan with water is ample humidity. You shouldn't need the wicks until prior to hatch.
The flashing light on the side just indicates the auto-turn is on.
The key with the Sportsman is to ensure proper humidity. There are several flaps in the back which can be opened and closed to adjust the humidity levels. Either get a hygrometer or use the wet-build temperature off your thermometer.
I find that with my 1502 the pan with water is ample humidity. You shouldn't need the wicks until prior to hatch.