Schumacher PS-500-1A Power Supply User Manual


 
4
BEFORE USING POWER
SOURCE
IMPORTANT INSTRUCTIONS
This product has an internal battery
that requires periodic recharging.
Even though the unit is fully charged
before shipment, the battery charge
may diminish. Charge the unit im-
mediately after purchase and af-
ter each use and at least once ev-
ery 3 months.
Extension Cord (Not provided)
This product requires the use of an
extension cord to recharge the in-
ternal battery. Make sure that the
extension cord is properly wired and
in good electrical condition. Use a
minimum 18 gauge cord if 25 feet
or less and a 16 gauge if using a 50’
extension cord.
LOW VOLTAGE BATTERY
ALARM
This product has an internal battery
which requires periodic recharging.
This product has an audio warning
device to alert you that is time to
recharge. To activate the low battery
alarm, push the switch marked Low
Battery Alarm to the ON position. In
the ON position, the alarm will sound
when the battery voltage falls below
12.2 volts. The alarm can be shut
off by selecting the OFF position on
the Low Battery Alarm switch. The
alarm will no longer sound after the
battery voltage has fallen below 11.4
volts. The battery will continue to dis-
charge if you have an external load
connected to the DC receptacle and
no signal will sound below the 11.4
volts.
OPERATION
REVERSE BATTERY AUDIO
SIGNAL WITH THE ON/OFF
SWITCH IN OFF POSITION.
This unit features an audio sig-
nal that sounds when the clamps
are connected backwards or are
touching one another (shorting).
DO NOT turn the Jump-Starter
ON/OFF switch ON. Reverse the
connections and the audio sound
should stop, indicating a proper
connection.
SETTING THE CONTROLS
WARNING: Failure to follow in-
structions may cause damage or
explosion. Read entire instruc-
tion manual before use. Always
shield eyes during use. Use in a
well-ventilated area.
1. Turn ignition off before connect-
ing clamps to the battery.
2. Make sure the ON/OFF switch
is in the OFF position.
3. Make sure the extension cord
is disconnected if charging was
taking place.
4. Turn off all electrical accesso-
ries, such as lights, radio, etc.
5. Do not put metal or loose wire
across the clamps when the
power is on. It may cause a
short circuit of the battery that
could cause an explosion.