DieHard 28.71494 Operator'S Manual Download Page 10

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NOTE:

 If more than one device is to be powered, start one device at a time to avoid 

a power surge and overloading the inverter. The surge load of each device should 

not exceed the inverters Continuous Operation wattage rate.

If there is a short circuit or power surge in the device, 



 will display 

and the alarm will sound. Press the ON/OFF switch to turn off the alarm. If the 



 

displays after several attempts, there is a short circuit or the device requires more 

“starting” or “peak” load than the inverter is capable of providing.

If you are using the power inverter to operate a battery charger, 

monitor the temperature of the battery charger for about 10 minutes. If the battery 

charger becomes abnormally warm, disconnect it from the inverter immediately.

NOTE:

 You can use an extension cord from the inverter to the device without 

significantly decreasing the power being generated by the inverter. For best 

operating results, the extension cord should be no longer than 50 feet.

Using the USB Port 

The USB port provides up to 500mA at 5V DC.

Plug the device into the USB port.

1. 

Turn the USB device on.

2. 

Reverse these steps when finished using the USB port.

3. 

Using the Inverter to Operate a Tv or Audio Device: 

The inverter is shielded and filtered to minimize signal interference. Despite this, 

some interference may occur with your television picture, especially with weak 

signals. Below are some suggestions to try and improve reception.

Make sure the television antenna produces a clear signal under normal 

1. 

operating conditions (i.e. at home plugged into a standard 120-volt AC wall 

outlet). Also, ensure that the antenna cable is adequately shielded and of 

good quality.
Try altering the position of the inverter, antenna cables, and television 

2. 

power cord. Add an extension cord from the inverter to the TV so as to 

isolate its power cord and antenna cables from the 12-volt power source.
Try coiling the television power cord and the input cables running from the 

3. 

12-volt power source to the inverter.

Affix one or several “Ferrite Data Line Filters” to the television power cord. 

4. 

Ferrite Data Line Filters can be purchased at most electronic supply stores.

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.

Summary of Contents for 28.71494

Page 1: ...UAL 750 Watt Power Inverter Model No 28 71495 Read and follow all Safety Rules and Operating Instructions before Every Use of this Product Save these instructions Sears Brands Management Corporation H...

Page 2: ......

Page 3: ...and maintained according to all supplied instructions if this DieHard product fails due to a defect in material or workmanship within 1 year from the date of purchase return it to any DieHard outlet...

Page 4: ...serious injury to the operator or bystanders Indicates a potentially hazardous situation which if not avoided could result in death or serious injury to the operator or bystanders Indicates a potentia...

Page 5: ...r liquids can conduct electricity which may lead to serious injury or death Do not place the inverter on or near heating vents radiators or other sources 1 8 of heat or flammable materials Do not plac...

Page 6: ...rger battery type Do not use with multiple batteries connected in parallel NOTE Do not use the inverter with a product that draws a higher wattage than the inverter can provide as this may cause damag...

Page 7: ...rly when first connected to the inverter turn the inverter ON OFF and ON again in quick succession If this procedure is not successful it is likely that the inverter does not have the required capacit...

Page 8: ...clamps full inverter capacity Locate the positive and negative plastic terminals located on the back of 2 the inverter and remove the terminal caps completely Install the positive red cable ring lug...

Page 9: ...a brief beep when the inverter is being connected to or disconnected from the 12 volt power source Failure to make the correct connections will result in blown fuses and permanent damage to the invert...

Page 10: ...g the USB port 3 Using the Inverter to Operate a TV or Audio Device The inverter is shielded and filtered to minimize signal interference Despite this some interference may occur with your television...

Page 11: ...avoid battery drain LED DISPLAY 7 The LED display identifies the current status of the inverter VOLTS IN The voltage of the vehicle s battery Portable Power jump starter or DC power source VOLTS OUT T...

Page 12: ...s 12 volt voltage is too high Display shows Device demands more than the inverter s continuous power rating Cycle the inverter power OFF and ON If problem persists use a larger inverter or a smaller d...

Page 13: ...nals Fuse is blown Inverter may be defective Check for poor connection to battery or power supply Make sure connection points are clean Rock the clamps back and forth for a better connection A blown f...

Page 14: ...5 5 W x 2 75 H Weight Approximately 3 5 lbs AC Outlets Two 110V AC 3 Prong DC Outlet One USB 5V 0 5 Amp Fuse Not user replaceable BEFORE RETURNING FOR REPAIRS 11 When an UNKNOWN OPERATING PROBLEM ari...

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