Switch on , you may adjust the speed by the inside speed control potentiometer ;

启动开关，可通过内部速度控制电位器来调整转速；

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The secret is a small motor actuated volume control potentiometer normally find in audio home systems.

秘密是一个小马达驱动的音量控制电位器通常会发现在音频家里系统。

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The temperature sensors, start switch S1, and current control potentiometer are all connected to the board using servo lead wire (available at many hobby shops in 10 foot lengths).

温度传感器，启动开关s1的，和电流控制电位器都连接到局用伺服引线(可在许多商店的嗜好，在10英尺长度)。

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Both, the housing and the potentiometer control as well as the rotary switch for selecting the source are made of anodised aluminium, while the front panel of the housing and the controls are milled from solid material.

ENGADGET: Sennheiser unveils HDVA 600 analog headphone amp, asks for $1,600

The rotary potentiometer is mechanically connected to the volume control by a 150mm long shaft.

ENGADGET: Sennheiser unveils HDVA 600 analog headphone amp, asks for $1,600