Schumacher PS-500-1A Power Supply User Manual


 
5
USING AS A JUMP STARTER
1. Make sure the ON/OFF switch
is in the OFF position.
2. Use safety glasses to shield
eyes while making the connec-
tions.
3. Connect the Red (+) Positive
clamp to the Positive battery
post first.
4. Connect the Black (-) Negative
clamp to the engine or chassis
to ground.
5. If the unit alarm is sounding, the
leads are connected wrong or
shorted. Change the connec-
tions.
6. If after making the connections,
the audio sound is not present,
turn the ON/OFF switch to ON
position.
7. Crank your vehicle’s engine. If
the engine fails to start, wait 3
minutes for the battery to cool
down and try again.
8. After the engine starts, turn the
ON/OFF switch to OFF position.
Disconnect the Black (-) clamp
from the engine or chassis and
then disconnect the Red (+)
clamp from your vehicle’s bat-
tery post.
OPERATING INSTRUCTIONS
USING THE EMERGENCY
FLASHING LIGHT
The red emergency light located on
the top left side of the unit can be
started by pushing the ON/OFF
switch located below the red light.
This light is a flashing light. To stop
the light simply push the switch to
the OFF position.
USING THE WHITE SPOTLIGHT
The spotlight is located on the top
right side of the unit. This light can
be adjusted downward by pulling the
tab at the top. The control switch for
this light is located beneath the light.
LED LIGHTS
Four LED lights are on the front
panel and will indicate the inter-
nal battery status condition when
the square red switch is pushed.
The charger should not be on at
this time.
1. The 1st red LED indicates a
very low battery nearing 0%.
The battery should be re-
charged immediately.
2. The 2nd red LED indicates
the battery condition is below
12.5 or 25% or less and
should be recharged.
3. The yellow LED lights indicat-
ing the voltage is between
12.5–12.7 or 50–75% and can
be used but should be re-
charged soon.
4. The green LED indicates full
charge.