Instructions / Assembly
English
18
  2.  If the unit detects that the alternator is good, the backlit LCD screen 
will display the following:
    The Battery Status Icon, Alternator Icon, and “ALT GOOD” will light 
solid.
 3.  If the unit detects that the alternator is out of typical voltage range, 
the backlit LCD screen will display the following:
    The Battery Status Icon, Alternator Icon and “ALT” will light solid. 
The Fault Icon will flash.
  4. Press the Alternator Check Button again to stop the test and turn 
off the unit.
IMPORTANT: Always turn the unit off when not in use. Recharge this 
unit fully after each use.
Portable Compressor
The built-in 12 volt DC compressor is the ultimate compressor for all 
vehicle tires, trailer tires and recreational inflatables. A nozzle adaptor is 
supplied that screws onto the end of the SureFit
®
 nozzle at the free end 
of the compressor hose. The compressor hose with tire fitting is stored 
in the compressor hose storage compartment. Refer to the “Features” 
illustration for locations of compressor hose. The Compressor Power 
Button and Increase ( ) and Decrease ( )  Compressor Pressure 
Control Buttons are located on the control panel on the front of the unit.
Before proceeding, check the unit’s battery status on the LCD screen. 
Four solid bars in the battery icon indicates a full battery. When the 
battery level is nearly empty with only one solid bar, the unit MUST be 
recharged before use or the unit’s built-in low voltage protection will 
activate. The empty Battery Status Icon will flash for a short period of 
time before automatic shut down.
The compressor is capable of inflating up to 120 pounds per square 
inch (psi) pressure. The compressor can operate long enough to fill up 
to 3 average sized tires before the battery must be recharged. Return 
hose to the storage compartment after use.
IMPORTANT: Make sure the Jump Starter Power Button has been 
turned off before attempting to use the unit as a Compressor.
WARNING – To reduce the risk of serious injury or property damage: 
Follow all safety instructions found in the “Specific Safety Instructions 
for Compressors” section of this instruction manual.
CAUTION – To reduce the risk of serious injury or property damage: 
When the compressor is operated at a low PSI, the unit may start in 
low and gradually rev up. When the compressor is operated at higher 
PSIs, the unit may operate normally for several minutes, then rev down 
for a few minutes before returning to normal operation. This feature 
protects the unit from overheating during normal use. In any event, do 
not operate compressor continuously for longer than 10 minutes, as 
it may overheat. This could damage the compressor. If the compressor 
must be operated for longer periods: every 10 minutes press the 
Compressor Power Button to turn the compressor off, then restart 
after a cooling down period of approximately 30 minutes.
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