259. In the illustration, the function generators will accept only a signal of a given polarity and the amplifier «M» inverts the polarity of the signal. If negative is used for the ahead and positive for the astern reference potentiometers, moving the bridge reference potentiometer in the direction indicated will have what effect while the system is operating in the mode selected for in the illustration

259. In the illustration, the function generators will accept only a signal of a given polarity and the amplifier "M" inverts the polarity of the signal. If negative is used for the ahead and positive for the astern reference potentiometers, moving the bridge reference potentiometer in the direction indicated will have what effect while the system is operating in the mode selected for in the illustration
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