Velodyne Acoustics SMS -1 user manual W . v e l o d y n e . c o m

(10)RS-232 OUT – Use this port to communicate with a second “daisy-chained” Digital Drive SMS-1.

(11)RS-232 IN – Use this port to communicate with your computer (for software updates), a touch panel remote control, or another upstream Digital Drive SMS-1. See Appendix A for an explanation of the use of the serial port, available commands, and their formats.

(12)EQ Video Output – Used to display the video generated by the SMS-1. S-Video or composite connections are available. A composite video cable is included. NOTE: Only connect to a single video output at a time.

(13)LFE OUTPUT – These connectors send the conditioned subwoofer audio signal to up to three subwoofers.

(14)EQ OUTPUT LEFT/RIGHT – Connect the audio cable from your accessory kit to these jacks: white plug to LEFT, and red plug to RIGHT.

(15)THRU – These RCA connectors are for sharing the same signal that goes into your SMS-1 with a second “daisy-chained” SMS-1 or other device. Unaltered line-level signal comes out of the THRU jack.

(16)OUTPUT – These RCA connectors incorporate the use of an 80Hz 6 dB/octave slope high pass crossover.

(17)INPUT LFE – These RCA input jacks are for line-level connection.

(18)12V TRIGGER/SPEAKER LEVEL INPUT RIGHT/LEFT – If the 12 volt trigger mode is active, 12 volts is required across these pins for power to be activated. The speaker- level connector allows for connection with exposed speaker wire.

(19)12V DC POWER SUPPLY INPUT - Connect the power supply to this jack.

.w w w . v e l o d y n e . c o m Digital Drive User’s Manual

7