Backmi DA579B Users Manual
2.4GHz DSS DIGITAL CORDLESS HEADSET
MODEL : DA579 USA VERSION
User’s Manual
BACKMI Corporation
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IMPORTANT SAFETY INSTRUCTIONS
When using your Headset equipment, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and
injury to persons, including the following:
1. Read and understand all instructions.
2. Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
3. Do not use this product near water, for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement or near a
swimming pool.
4. Do not place this product on an unstable cart, stand, or table. The product may fall, causing serious damage to the product.
5. This product should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of
power supply to your home, consult your dealer or local power company.
6. To reduce the risk of electric shock, do not disassemble this product, but take it to a qualified service contractor when some service or
repair work is required. Opening or removing covers may expose you to dangerous voltages or other risks. Incorrect reassembly can
cause electric shock when the appliance is subsequently used.
7. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:
A. When the power supply cord or plug is damaged or frayed.
B. If liquid has been spilled into the product.
C. If the product has been exposed to rain or water.
If the product does not operate normally by following the operating instructions, Adjust only those controls that are covered by the
operating instructions. Improper
D. Adjustments of other controls may result in damage and will often require extensive work by a qualified technician to restore the
product to normal operation.
E. If the product has been dropped or the cabinet has been damaged.
F. If the product exhibits a distinctive change in performance.
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FCC NOTICE
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communication. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures :
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS:
(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND
(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDERSIRED
OPERATION.
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit difference from that to which the receiver is connected.
- Consult the dealer of an experienced radio/TV technician for help.
NOTE : The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such
modifications could void the user's authority to operate the equipment.
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INSTALLATION PRECAUTIONS
1. Never install Headset wiring during a lightning storm.
2. Never install headset jacks in wet locations unless the jack is specifically designed for wet locations.
3. Use caution when installing or modifying headset lines.
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