3
TD-000434 -01 -B
Maintenance and Repair
WARNING!:
Advanced technology, e.g., the use of modern materials and powerful electronics, requires specially adapted
maintenance and repair methods. To avoid a danger of subsequent damage to the apparatus, injuries to persons and/or the
creation of additional safety hazards, all maintenance or repair work on the apparatus should be performed only by a QSC
authorized service station or an authorized QSC International Distributor. QSC is not responsible for any injury, harm or related
damages arising from any failure of the customer, owner or user of the apparatus to facilitate those repairs.
FCC Statement
For DPA4.3 and DPA4.5
NOTE:
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
For DPA4.2
NOTE:
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
communications. 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:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
RoHS STATEMENT
The QSC DPA4.2, DPA4.3 and DPA4.5 amplifi ers are in compliance with European Directive 2011/65/EU – Restriction of Hazardous Substances (RoHS2).
The QSC DPA4.2, DPA4.3 and DPA4.5 amplifi ers are in compliance with “China RoHS” directives. The following chart is provided for product use in
China and its territories:
QSC DPA4.2, DPA4.3, and DPA4.5 Amplifi ers
部件名称
(Part Name)
有毒有害物质或元素
(Toxic or hazardous Substances and Elements)
铅
(Pb)
汞
(Hg)
镉
(Cd)
六价铬
(Cr(vi))
多溴联苯
(PBB)
多溴二苯醚
(PBDE)
电路板组件
(PCB Assemblies)
X
O
O
O
O
O
机壳装配件
(Chassis Assemblies)
X
O
O
O
O
O
O:
表明这些有毒或有害物质在部件使用的同类材料中的含量是在
SJ/T11363_2006
极限的要求之下。
(O: Indicates that this toxic or hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement
in SJ/T11363_2006.)
X:
表明这些有毒或有害物质在部件使用的同类材料中至少有一种含量是在
SJ/T11363_2006
极限的要求之上。
(X: Indicates that this toxic or hazardous substance contained in at least one of the homogeneous materials used for this part is above the
limit requirement in SJ/T11363_2006.)
Warranty
For a copy of the DPA warranty, visit the QSC website at www.qsc.com
