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Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Media, Communication And Navigation - Specifications, Electrical/Electronic >> Signal Specification, Subwoofer Module (Sub) (2008-2010) >> Signal Specification >> Notes

Signal Specification: Notes

U= DC voltage in volts (V) UAC = AC voltage in volts (V)
Ubat = Battery voltage (V) f = Frequency in Hertz (Hz)
Ulow = Voltage approximately 0 V t = Time in seconds
PWM = Pulse width modulated signal as a %