TASCAM DM-4800 Owners Manual - Page 55
Other connections, MIDI connections (IN, OUT and THRU), RS-422 serial control terminal, GPI terminal - drivers
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3 - Connections : Other connections Other connections MIDI connections (IN, OUT and THRU) Use these standard MIDI connectors to connect the DM4800 to other equipment. The THRU terminal also functions as a MIDI Timecode output terminal. This MIDI functionality can be used to provide either open or closed MMC loop control of remote devices. See "MIDI" on page 96 for details. NOTE The USB connector provides MIDI to and from a host computer for DAW control, etc. There is no need to make a separate MIDI connection to and from such a computer. RS-422 serial control terminal This 9-pin Dsub connector is used to provide control of suitablyequipped devices, using P2 protocol, etc. See "Remote operation" on page 105 for details. GPI terminal This 9-pin D-sub connector is used to output signals on up to eight GPI ports, using a common frame ground). See "GPI settings" on page 45 for full details of how to set up and use this port (in addition to the pinouts). TIME CODE This unbalanced RCA jack accepts linear SMPTE/EBU timecode for synchronization with other devices. Note that the DM-4800 does not generate linear timecode, and can neither accept nor generate vertical timecode. WORD SYNC (IN and OUT/THRU) In any digital audio setup, it is important that there is one, and only one, word sync source. WARNING More than one such word sync source can cause serious problems, including possible damage to monitoring equipment. The DM-4800 can act as a word sync master or slave (set up in software-see "Clock setting" on page 56). The switch allows the OUT to act as a THRU when the DM-4800 is receiving word sync signals, as well as enabling and disabling 75Ω termination on the input. TO METER Use the cable provided with the optional meter bridge (MU-1000) to connect the meter bridge to this connector of the DM-4800. FOOT SW Connect a standard momentary foot (or other) switch to this 1/4" jack. It can either be pushto-make or push-to-break, as the polarity can be changed in software. For details of how to do this, as well as how to set up the footswitch, see "SWITCH utility" on page 45. USB This is used to connect the DM-4800 to a host computer for bi-directional control. This is, the computer can control the DM-4800-see the documentation supplied with the TASCAM TM Companion utility software-and the DM-4800 can be set up as a DAW controller, controlling the DAW software running on the host computer. We strongly suggest that you use only the USB cable supplied with the DM-4800 to make the USB connection, and that this connection and disconnection are made with the DAW software, or any other software communicating with the DM-4800, not running. Note that no drivers are necessary when using the DM-4800 with OS X or Windows XP. Power input As always, check to make sure that the voltage requirements marked on the unit match your power supply. Use a properly grounded power supply, and connect the DM-4800 to it using a power cord which provides grounding facilities (such as the one provided with the DM-4800). TASCAM DM-4800 User's Manual 55