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Step 2: Clamp the other end to the battery terminals. Reverse polarity connection
on battery is NOT allowed. It is very dangerous.
Step 3: After car started, please disconnect the battery terminals first, please do
NOT short circuit.
LCD display will shows current battery level, Please press LCD display button to
turn on LCD display backlight. It will last 20 seconds.
A. “Full” means the battery is fully charged
B. “20” means battery is very low, please charge the battery
C. “0” means battery is flat
Step 4: Please disconnect the cable from MB3740.
5.0 LED Indications
5.1 Charging and Battery Level indication
5.1.1 LCD displays
CAUTION!
The car starting socket carry high current (250A)!
Short circuit and reverse polarity of the battery can NOT be used under any
circumstance. This operation may damage the battery and cause a fire hazard.
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