Explanation Of Graphical Symbols - QSC DCA1222 User Manual

Important Safety Precautions & Explanation of Symbols
1- Read these instructions.
2- Keep these instructions.
3- Heed all warnings.
4- Follow all instructions.
5- WARNING: To prevent fi re or electric shock, do not expose this equipment to rain or moisture. Do not use this apparatus
near water.
6- Clean only with a dry cloth.
7- Do not block any ventilation openings.
8- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifi ers) that
produce heat.
9- Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider
than the other. A grounding plug has two blades and a grounding prong. The wide blade or third prong are provided for your
safety. If the provided plug does not fi t your outlet, consult an electrician for the replacement of the obsolete outlet.
10- Protect the power cord from being walked on or pinched, particularly plugs, convenience receptacles, and the point where
they exit from the apparatus.
11- Use only attachments/accessories specifi ed by QSC Audio Products, LLC
12- Use only with hardware, brackets, stands, and components sold with the apparatus or by QSC Audio Products, LLC
13- Unplug the apparatus during lightning storms or when unused for long periods of time.
14- Refer all servicing to qualifi ed service personnel. Servicing is required when the apparatus has been damaged in any way,
such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not operate normally, or has been dropped.
The exclamation point within an equilateral triangle is intended to alert the user to the pres-
ence of important operating and mainte nance (servicing) instructions in this manual.
The lightning fl ashes printed next to the OUTPUT terminals of the amplifi er are intended to
alert the user to the risk of hazardous energy. Output connectors that could pose a risk are
marked with the lightning fl ash. Do not touch output terminals while amplifi er power is on.
Make all connections with amplifi er turned off.
The lightning fl ash with arrowhead symbol within an equilateral triangle is intended to alert
the user to the presence of uninsulated "dangerous" voltage within the product's enclosure
that may be of suffi cient magnitude to constitute a risk of electric shock to humans.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO
USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
WARNING: To prevent fi re or electric shock, do not expose this equipment to rain or
moisture.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
重要的安全预防措施和符号说明
1- 阅读这些说明。
2- 遵照这些说明。
3- 注意所有警告。
4- 遵守所有说明。
5- 警告：为避免火灾或电击，不要将设备暴露于雨中或潮湿环境中。请不要在靠近水的地方使用本设备。
6- 只能用干布擦拭。
7- 不要堵塞通风口。
8- 不要安装在会产生热量的设备附近，如散热器、热调节装置、炉子或者其他设备（包括放大器）。
9- 请勿使极化或接地插头的安全性失效。极化插头有两个叶片，一个较宽，另一个较窄。接地插头有两
个叶片以及一个接地爪。较宽的叶片或第三个爪手是为了人身安全而设。如果所提供的插头和您的插座
不匹配，请向电工咨询了解如何更换该旧插座。
10- 防止电线被踩踏或挤压，尤其要注意插头、电源插座及其与设备的连接点。
11- 仅限使用 QSC Audio Products, LLC 指定的附件或配件。
12- 仅限使用随本设备或由 QSC Audio Products, LLC 出售的硬件、托架、支架和元件。
13- 在雷电发生期间或长时间不用时，请拔下本设备的插头。
14- 由合格人员进行维护。如果本设备损坏，必须进行维修，比如电源线或插头损坏，液体溅到或物体
落入本设备，设备遭受雨淋或受潮，不能正常工作，或曾跌落等情况。
等边三角形内的惊叹号是提醒用户本手册中重要的操作和维护（维修）说明。
放大器输出端旁边的闪电符号警告用户有触电危险。有可能造成危险的输出连接器
都标有闪电符号。放大器电源打开时切勿接触输出端子。进行所有连线之前先关闭
放大器电源。
等边三角形内带箭头的闪电符号，警告用户该产品外壳内有非绝缘"危险"电压，会
对人体产生电击危险。
小心：为避免电击危险，请不要卸下盖板。内部无用户可以维修的零件。请联络合格
的专业人士进行维修。
警告：为避免出现火灾或电击情况，请不要让此设备淋雨或受潮。
小心
电击危险
请勿打开