Schumacher Electric SC1272 Owner's Manual page 7

12. OPERATING INSTRUCTIONS
IMPORTANT: Do not start the vehicle with the charger connected to the AC outlet,
or it may damage the charger and your vehicle.
NOTE: This charger is equipped with an auto-start feature. Current is supplied
to the battery clamps before a battery is connected, and the clamps may spark if
touched together.
CHARGING A BATTERY IN THE VEHICLE
1. Turn off all the vehicle's accessories.
2. Keep the hood open.
3. Clean the battery terminals.
4. Place the charger on a dry, non-flammable surface, or use the convenient hook
attachment to hang the unit safely outside the work area.
5. Lay the AC/DC cables away from any fan blades, belts, pulleys and other
moving parts.
6. Connect the battery, following the precautions listed in sections 6 and 7.
7. Connect the charger to a live grounded 120V AC outlet.
8. The green
9. When charging is complete, disconnect the charger from the AC power,
remove the clamps from the vehicle's chassis, and then remove the clamp
from the battery terminal.
CHARGING A BATTERY OUTSIDE OF THE VEHICLE
1. Place battery in a well-ventilated area.
2. Clean the battery terminals.
3. Connect the battery, following the precautions listed in sections 6 and 7.
4. Connect the charger to a live grounded 120V AC outlet.
5. The green
6. When charging is complete, disconnect the charger from the AC power,
disconnect the negative clamp, and finally the positive clamp.
7. A marine (boat) battery must be removed and charged on shore.
USING THE QUICK-CONNECT CABLE CONNECTORS
Connect either of the two (2) output cable leads to the charger. Make sure to place
the charger on a dry, non-flammable surface.
WARNING: Never connect the clamp and ring terminal connectors together for
use in other applications, such as external battery or other power source charging,
or to extend the output cable length, as reverse polarity and/or overcharge
conditions will occur.
POWER LED will light.
POWER LED will light.
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