说明书 先鋒公司S-31B-LR-K扬声器
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说明书
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En
Applying non skid pads
The use of non skid pads is recommended depending on the
installation location. Apply the pads to the four corners of the side
of the speaker which will be on the bottom. Note that depending
on the location, the pads may not provide fully sufficient traction
to prevent slipping, so care should be taken not to install the
speakers in conditions where they may be prone to side.
Attaching and Removing the Grille
It is recommended that this speaker system be used with the grille
net attached, but it can be removed if desired. To remove, follow
these instructions:
1 To remove the grille, place your fingers at the outside of
the grille toward the bottom and pull gently outward. Then
do the same at the top to detach.
2 To reattach the grille, hold the speaker grille with the
triangular symbol pointing upward, then align the four pins
on the back side of the grille with the holes in the speaker
and press in firmly.
Connections
This speaker does not include speaker cables used for connecting
to an amplifier.
Connecting the cables
1 Switch off the power to your amplifier.
2 Connect the speaker cables to the input terminals on the
back of the speaker. For input terminal polarity, red is
positive (+) and black is negative (–).
Loosen the knobs on the input terminals and insert the speaker
cable wires into each of the terminal post holes, then tighten the
knobs.
3 Connect the other ends of the cables to the amp’s
speaker output terminals (for more details, refer to your amp
instrucion manual).
• You can also connect the speaker’s terminals with a banana
plug.
• After connecting the plugs, pull lightly on the cables to make
sure that the ends of the cables are securely connected to the
terminals. Poor connections can create noise and
interruptions in the sound.
• If the cables’ wires happen to be pushed out of the terminals,
allowing the wires to come into contact with each other, it
places an excessive additional load on the amp. This may
cause the amp to stop functioning, and may even damage the
amp.
• When using a set of speakers connected to an amplifier, you
won’t be able to obtain the normal stereo effect if the polarity
(+, –) of one of the speakers (left or right) is reversed.
Non skid pads
Red terminal
(+)
Black terminal
(−)
Hot-side speaker cord
Common-side speaker cord
CAUTION
T
hese speaker terminals carry HAZARDOUS LIVE
voltage. To prevent the risk of electric shock when
connecting or disconnecting the speaker cables,
disconnect the power cord before touching any
uninsulated parts.
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S-31B_En.fm 4 ページ ２００９年７月２９日 水曜日 午後４時２分
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规格
| 品牌 | Pioneer |
| 模型 | S-31B-LR-K |
| 类别 | 扬声器 |
| 文件类型 | |
| 文件大小 | 8.61 MB |
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对于儿童来说，什么级别的噪音安全？ 验证
儿童的听力受损要比成人快。因此，重要的是不要让儿童暴露于大于85dB的噪声中。对于耳机，有针对儿童的特殊型号。如果是扬声器或其他情况，则必须注意噪音不要超过该水平。
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