Method getNormalPolyVoltage

include/engine/Port.hpp:102–104

	}

	float getNormalPolyVoltage(float normalVoltage, int channel) const noexcept {
		return isConnected() ? getPolyVoltage(channel) : normalVoltage;
	}

	/** Returns a pointer to the array of voltages beginning with firstChannel.
	The pointer can be used for reading and writing.