190-01879-11 GMA 245/245R Installation ManualRev. 6 Page 1-51.3.3 Power RequirementsThe GMA 245/245R will operate down to emergency voltage (9 Volts). Below 11 Volts, the USB chargeport and the speaker are disabled.Table 1-5 GMA 245/245R Power RequirementsCharacteristic SpecificationInput Voltage Range 11 to 33 VdcLeakage Current* < 1 mA*Current the unit draws if turned off (GMA 245 is turned of by the knob, GMA 245R can only be turnedoff by breaker).Table 1-6 GMA 245 Power RequirementsCharacteristic Current Draw Power ConsumptionIdle Current* 0.32 A @ 14 VDC0.18 A @ 28 VDC4.48 W @ 14 VDC5.04 W @ 28 VDCTypical Operating Current without USB chargeport being used.0.77 A @ 14 VDC0.40 A @ 28 VDC10.78 W @ 14 VDC11.20 W @ 28 VDCMaximum Current with no USB charge portconnection1.11 A @ 14 VDC0.87 A @ 28 VDC15.54 W @ 14 VDC24.36 W @ 28 VDCMaximum Current with USB charge portconnection2.31 A @ 14 VDC1.45 A @ 28 VDC32.34 W @ 14 VDC40.60 W @ 28 VDC*Unit current drawn with power applied, no audio, and minimum lighting.Table 1-7 GMA 245R Power RequirementsCharacteristic Current Draw Power ConsumptionIdle Current* 0.32 A @ 14 VDC0.18 A @ 28 VDC4.48 W @ 14 VDC5.04 W @ 28 VDCTypical Operating Current without USB chargeport being used.0.60 A @ 14 VDC0.32 A @ 28 VDC8.40 W @ 14 VDC8.96 W @ 28 VDCMaximum Current with no USB charge portconnection0.92 A @ 14 VDC0.77 A @ 28 VDC12.88 W @ 14 VDC21.56 W @ 28 VDCMaximum Current with USB charge portconnection2.1 A @ 14 VDC1.35 A @ 28 VDC29.40 W @ 14 VDC37.80 W @ 28 VDC*Unit current drawn with power applied, no audio.
