Power Source; Led Indicator And Shutdown Protection - Schumacher Electric PIC-150-USB Manual Del Usuario

5. Plug the device into the inverter AC outlet or USB port.
6. Turn the device on.
7. To disconnect, reverse the above procedure.
NOTE: You may hear a "buzzing" sound being emitted from
inexpensive sound systems when operated with the inverter. This
is due to ineffective filters in the sound system's power supply.
Unfortunately, this problem can only be resolved by purchasing a
sound system with a higher quality power supply or higher quality filter.
5.

POWER SOURCE

Your average automobile or marine battery at full charge will provide
an ample power supply to the inverter for approximately 3 hours when
the engine is off. The actual length of time the inverter will function
depends on the age and condition of the battery and the power
demand being placed by the device being operated with the inverter.
If you decide to use the inverter while the engine is off, we
recommend you turn OFF the device plugged into the inverter and
disconnect the inverter's plug from the 12-volt accessory outlet before
starting the engine. To maintain battery power, start the engine every
2 to 3 hours and let it run for approximately 30 minutes to recharge
the battery.
Although it is not necessary to disconnect the inverter when turning
over the engine, it may briefly cease to operate as the battery voltage
decreases. While the inverter draws very low amperage when not in
use, it should be unplugged to avoid battery drain.
6.

LEd INdICATOR ANd SHUTdOWN PROTECTION

The GREEN LED automatically lights when plugged into a 12-volt DC
source and the RED LED will light under the following conditions:
1. When the power input from the vehicle's battery drops to
approximately 10 volts, low battery shutdown occurs and
inverter shuts off. Solution: recharge or replace the battery.
2. When the power input from the vehicle's battery exceeds 15
volts, high voltage protection occurs. Solution: reduce the
voltage range to between 12 volts and 14 volts.
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