16Using a wired remote controlWhen multiple main units are connected in thesystem, connect the units with the M3 stereo minijack cable available in the market to simultaneouslycontrol the multiple main units with a single remotecontrol unit through the REMOTE1 IN/OUTterminal. It is effective to use the wired remotecontrol in the environment in which an obstaclestands in the light path or where devices aresusceptible to outside light.SB/P BG/YRR/PREMOTE 1 REMOTE 2RGB 1 INVIDEO IN S-VIDEO ININ OUTConnect to thesecondary projectorM3 stereo minijack cable(available in themarket)Using the remote control unit• Use two-core shielded cable oflength smaller than 15 m (49' 2"). Ifthe cable length exceeds 15 m (49'2"), or if the shielding of the cable isinadequate, the operation may beunsatisfactory.AttentionInstallationProjection Scheme 1Front projectionRear projectionTable standingProjection Scheme 2Ceiling mount(Default position)Installation geometryAfter the projector is roughly positioned, picture sizeand vertical picture positioning can be finelyadjusted with the powered zoom lens and lens tiltmechanism.Side viewWith optional ceiling mountbracket (ET-PKD55)261(10 9/32)HHScreenSH 180(7 3 / 32 )LL