题目内容

Product Manual ：DC Power Supply provides two a regulated DC output. The DC output can be delivered in two modes:constant voltage mode and constant current mode.

A. 直流电源供电器
B. 产品说明书
C. 直流稳压输出
D. 恒压模式和恒流模式

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Front PanelCV indicator ：lights when the power turn on and constant voltage operation；CC indicator：lights when this unit in constant current operation.

A. 前面板
B. 恒压运行模式
C. 恒流运行模式
D. 指示器（灯）

Voltage coarse for the coarse adjustment of the output voltage.Voltage fine for the fine adjustment of the output voltage.Current coarse for the coarse adjustment of the output current.Current fine for the fine adjustment of the output current.

A. 电流细调
B. 电流粗调
C. 电压粗调
D. 电压细调

‘+’ terminal positive polarity ( Red ).‘GND’ terminal earth and chassis ground ( Green ).‘－’ terminal negative polarity ( Green ).

A. 正极
B. 负极
C. 接地端
D. 机壳接地

Digital meter indicates the output voltage ( Digital type ).Analog meter indicates the output voltage ( Analog type ).A/V select selects the meter indicates of the output voltage or current.Power control on/off switch

A. 电源开关
B. 电流/电压选择
C. 数字表
D. 模拟表