[. . . ] is a registered trademark of Chengdu Xindak Electronic Co. , LTD All rights reserved by Chengdu Xindak Electronic Co. [. . . ] (Switchable) 2 Preamplifier/Accessories 6 This unit requires single-phase 3-lines input. When using single-phase 2-lines power input, DO connect the grounded biding post on back of the unit to the ground and make sure the phase of the input power is correct. Plug the attached 3-lines power cable into the power input socket on the rear panel, the power indicator will be light on. Touch the phase detect touching terminal to detect the phase of the power output socket. If the phase detect indicator is not light, the power output socket will be: A: Ground, B: Natural, C: Live. (See fig4) Otherwise, if the indicator is light it will be A: Ground, B: Live, C: Natural. CHENGDU XINDAK ELECTRONIC CO. , LTD CAUTION Always remove mains plug from wall socket before any service unless qualified to do so. This unit contains dangerous voltages AC INPUT 220V/230V ±10% 50/60Hz FUSE F10A RISK OF ELECTRIC SHOCK DO NOT OPEN Polarity AC POWER LINE RECEPTACLE/FILTER XF-1000ES 9 Ground 1 SPECIFICATION 2 10 NO. : Made in China 8 Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Max. Spike Volt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] If the indicator is on, it means the phase of the power supply input is not corresponding, should change the phase switch; if the indicator is off, it means the phase of the power supply input is corresponding. [. . . ]