Behringer ULTRA-DI PRO DI800 Manual - Page 9

9 ULTRA-DI PRO DI800 User Manual ◊ Before connecting to a loudspeaker connector, please make sure that the GROUND LIFT switch is in the ON position (no ground connection). This prevents accidental shorting of the amp output. Besides, the tip of the input connector should be connected to the speaker connector marked with red. The metal casing of the DI800 should in no case have physical contact to other equipment. 4. Audio Connections ◊ Please make sure that your DI800 is installed and handled only by people with enough technical expertise. Assure that those operating the unit during and after the installation are sufficiently grounded. Otherwise, electrostatic charge may alter the performance of your equipment or damage it permanently. Balanced use with XLR connectors Balanced ¼" TRS connector strain relief clamp sleeve ring tip sleeve ground/shield ring cold (-ve) tip hot (+ve) For connection of balanced and unbalanced plugs, ring and sleeve have to be bridged at the stereo plug. 21 Fig. 4.3: ¼" TRS connector 3 input 1 = ground/shield 2 = hot (+ve) 3 = cold (-ve) 12 3 output For unbalanced use, pin 1 and pin 3 have to be bridged Fig. 4.1: XLR connections Unbalanced ¼" TS connector strain relief clamp sleeve tip sleeve (ground/shield) Fig. 4.2: ½" TS connector tip (signal)