QSC DCA1222 User Manual page 14

14
FEATURES & SETUP
Bridge mono mode (continued)
BRIDGED-MONO PRECAUTIONS:
This mode puts a high demand on the amplifi er and speaker, Exces-
sive clipping may cause protective muting or speaker damage. Be
sure the speaker has a suffi cient power rating.
Output voltages greater than 100 Volts are available between the
amplifi er's bridged terminals. Class 3 wiring methods, as specifi ed
in accordance with national (NEC) and local codes, must be used to
connect the loudspeaker.
DCA3022, DCA3422:
Class 3 Wiring shall be used for bridged mono outputs.
DCA1222, DCA1622, DCA2422, DCA1824, DCA1644:
Class 2 wiring shall be used.
功能与设置
桥式单声模式（续）
桥式单声模式注意事项：
此模式下的放大器与扬声器均高负荷运转，过度的削波可能会产
生防御性的静音或导致扬声器损坏。请确保扬声器有足够的额定
功率。
放大器的桥接终端之间会出现大于 100 伏特的输出电压。根据
国家标准 (NEC) 以及地方标准规定，必须用 3 类配线方法连接
扬声器。
DCA3022、DCA3422:
对于桥式单声输出，应使用 3 类配线。
DCA1222、DCA1622、DCA2422、DCA1824、DCA1644：
应使用 2 类配线。