OUTPUT RATE BUTTON
Select one of the following rates:
Maintain (4A) – For charging small batteries and maintaining fully charged large batteries.
Fast Charge (15A) – For charging automotive, marine and light truck batteries.
Boost – Increases the voltage and sends a quick burst of energy into the battery, to quickly bring deeply
discharged batteries back to life.
Engine Start – Provides additional amps for cranking an engine with a weak or run-down battery.
Always use in combination with a battery.
START/STOP BUTTON
Begins and ends the Charge, Boost, Engine Start, Flash Reprogram and Memory Saver modes.
MAIN POWER SWITCH
This switch supplies power to the charger.
FOR MODELS WITH REPROGRAMMABLE DEFAULT SETTINGS
If you are satisfied with the default settings, skip to Operating Instructions.
When you first power up the charger, the default settings are:
Display Mode – Volts
Battery Voltage – 12V
Battery Type – Standard
Output Rate – Maintain (4A)
To change the power up default settings:
1. Change to the desired Display Mode, Battery Voltage, Battery Type and Output Rate.
2. Press and hold both Up and Down Arrow buttons at the same time until the LEDs stop flashing.
3. The next time you power up the unit, these settings will be saved and become the startup default settings.
11. OPERATING INSTRUCTIONS
WARNING: A SPARK NEAR THE BATTERY MAY CAUSE AN EXPLOSION.
IMPORTANT: Do not start the vehicle with the charger connected to the AC outlet (except during Engine
Start), or it could damage the charger.
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.
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 an electrical outlet.
8. Set Battery Voltage to 6V or 12V.
NOTE: 24V is available only on certain models, for Boost and Engine Start.
CAUTION: Always visually confirm the voltage of the battery being charged. Not doing so can cause
damage to the battery and vehicle's electrical system. Other property damage or personal injury may occur.
9. Set Battery Type to STANDARD, AGM, or GEL. (If unsure, consult the label on the battery or the
battery manufacturer.)
10. Set Output Rate to Maintain (4A), Fast Charge (15A) or Boost.
11. Charging will start when the START/STOP button is pressed and finish automatically.
12. Charged/Maintaining (green) LED will light when finished and charger will maintain battery.
13. To stop the battery maintaining process, press the START/STOP button.
14. When charging is complete, disconnect the charger from the AC power, remove the clamp from the
vehicle's chassis, and then remove the clamp from the battery terminal.
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