Motomaster | Battery Charger 11-1568 Manual !!install!!
The manual describes the 50A+ "Start" position:
If you own a Canadian Tire legacy product—the Motomaster 11-1568 battery charger—you know the struggle. This specific model, often referred to as the “Eliminator” series predecessor, is a workhorse for car, marine, and deep-cycle batteries. However, finding the original today can feel like searching for a vintage car part. Motomaster Battery Charger 11-1568 Manual