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User’s Manual—Read before using this equipment
8
OPERATING TIPS
Adding an Extension Cord
You may use up to 100 feet of high quality, heavy-duty extension cord. A longer cord will result
in reduced power to appliances.
Buzz in Audio Systems
Some stereo systems and portable radios will emit a buzzing noise from their speakers when
operated from the power inverter because the power supply in the device does not adequately
filter the modified sine wave produced by the power inverter. The only solution is to use a sound
system that incorporates a higher quality power supply.
Television Interference
Operating the power inverter can interfere with television reception on some channels. If this
situation occurs, the following steps may help to alleviate the problem:
• Do not operate high power loads with the power inverter while watching television.
• Make sure the antenna feeding your television provides an adequate static-free signal and
you are using good quality cable between the antenna and the television.
• Move the television as far away from the power inverter as possible.
• Keep the cables between the battery and the power inverter as short as possible and twist
them together with about 2 to 3 twists per foot. This minimizes radiated interference from
the cables.
• Ferrite beads may be installed around battery cables and AC appliance cords to reduce
noise.
MAINTENANCE
Very little maintenance is required to keep the inverter operating properly. Periodically check to
ensure all terminals and connectors are secure and tight.
HEAT DISPERSAL
The inverter generates heat while it is working. This is not a malfunction. However, if the
inverter gets too hot while working, it will turn off by itself. Position the inverter where air flows
freely around it to allow the heat to disperse. The inverter’s thermal protection prevents it from
operating when its temperature exceeds
130ºF ± 10ºF.
