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HK 3700/3770
Important Safety Information
4
• AM loop antenna
• FM wire antenna
• Two AAA batteries
• AC power cord
NOTE: The AC power cord illustration is for the 220 - 240 V model only, the
120 V model has a fixed power cord.
IMPORTANT: If any of the included accessories are missing or any part of
your HK 3700/3770 system fails to operate properly, contact your dealer or
service provider immediately.
Important Safety Information
Verify Line Voltage before Use
The HK 3700/3770 stereo receiver has two different models. One model is 120 V with a
fixed power cord and another is 220 -240 V with a detachable power cord. Connection
to a line voltage other than that for which your HK 3700/3770 is intended, can create a
safety and fire hazard, and may damage the unit. If you have any questions about the
voltage requirements for your specific model or about the line voltage in your area,
contact your dealer before plugging the unit into a wall outlet.
Do Not Use Extension Cords
To avoid safety hazards, use only the power cord supplied with your unit. We do not
recommend using extension cords with this product. Do not run power cords under rugs
or carpets, or place heavy objects on them. Damaged power cords should be replaced
immediately by an authorized service center, with a cord meeting factory specifications.
Handle the AC Power Cord Gently
To disconnect the power cord from an AC outlet, always pull the plug; never pull the
cord. If you do not intend to use your HK 3700/3770 for any considerable length of time,
disconnect the plug from the AC outlet.
Do Not Open the Cabinet
There are no user-serviceable components inside this product. Opening the cabinet may
present a shock hazard, and any modification to the product will void your warranty. If
water or any metal object such as a paper clip, wire or staple accidentally falls inside the
unit, disconnect it from the AC power source immediately, and consult an authorized
service center.
CATV or Antenna Grounding
If an outside antenna or cable system is connected to this product, be certain that it
is grounded to provide protection against voltage surges and static charges. Section
810 of the United States National Electrical Code, ANSI/NFPA No. 70-1984, provides
information with respect to proper grounding of the mast and supporting structure,
grounding of the lead-in wire to an antenna discharge unit, size of grounding
conductors, location of antenna discharge unit, connection to grounding electrodes
and requirements of the grounding electrode.
Note to CATV System Installer: This reminder is provided to call the CATV (Cable TV)
system installer’s attention to article 820-40 of the NEC, which provides guidelines for
proper grounding and, in particular, specifies that the cable ground shall be connected
to the grounding system of the building, as close to the point of cable entry as possible.
Placing the Stereo Receiver
• Place the stereo receiver on a firm and level surface. Be certain that the
surface and any mounting hardware can support the stereo receiver’s
weight.
• Provide proper space above, below, behind and to the sides of the stereo
receiver for ventilation. Maintain a clearance of at least 12” (30 cm) on each
side, above and behind the unit.
• If you install the stereo receiver in a cabinet or other enclosed area, provide
cooling air within the cabinet. Under some circumstances, you may require
a fan.
• Do not obstruct the ventilation slots on the top of the stereo receiver or
place objects directly over them.
• Do not place the stereo receiver directly on a carpeted surface.
• Do not place the stereo receiver in moist or humid locations, in extremely
hot or cold locations, in areas near heaters or heat registers, or in direct
sunlight.
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