Page 52. When the ROBO PLAY (29) button is in the ON position (the ROBOPLAY INDICATOR illuminates RED), starting the sampler mutes theselected source. When the sample ends, the source automaticallyturns back on.BATTERY BACKUP: The PDM-24s is equipped with battery backup toretain samples. To activate this feature, a 9 volt battery (not included)needs to be connected to the BATTERY HOLDER (42) located on therear panel. This will enable you to store samples in memory, and whenthe unit is unplugged, the battery backup will retain the samples forfuture use. If the unit is unplugged with no battery attached, all thesamples will be lost.LOW BATTERY INDICATOR: A low battery indicator is included with thePDM-24s. When changing the battery, make sure the unit is plugged inand the power is ON. Failure to adhere to this will result in lost memory.The low battery indicator is ON when the selected memory bank LEDblinks. The LED will also blink if no battery is connected to the unit.SpecificationsINPUTS:DJ Mic....................................................1.5mV 2Kohm balancedPhono.........................................................................3mV 47KohmLine.......................................................................150 mV 27KohmOUTPUTS:Main/Booth......................................................0 dB 1V 400ohmMax..............................20V Peak to PeakRec...........................................................................225mV 5KohmMIC 1 & MIC 2:DJ Mic....................................................1.5mV 2Kohm balancedBass......................................................................................± 12dBHigh.......................................................................................± 12dBGENERAL:Frequency Response....................................20Hz - 20KHz +/- 2dBDistortion................................................................................0.02%S/N Ratio...............................................................better than 80dBTalkover Attenuation..............................................................-16dBHeadphone Impedance.........................................................16ohmPower Source.............................................115/230V 50/60Hz 10WDimensions.....................................................19”w x 4”h x 9”dWeight........................................................................10.17 lbs