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Summary of Contents for DMX

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Page 2: ...DMX OWNER S MANUAL By DANIEL SOFER Third Edition June 1982 Copyright 1982 Oberheim Electronics Inc Oberheim Electronics Inc 2250 South Barrington Avenue Los Angeles California 90064 USA...

Page 3: ...uction manual may cause harmful interference to radio communications It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules...

Page 4: ...ds 16 Tuning 16 5 CASSETTE INTERFACE 17 Connections 17 To Record Programs Onto Tape 17 To Play Programs From Tape 18 To Check Tapes 19 Possible Causes Of Data Transfer Errors 20 6 DMX SOFTWARE REVISIO...

Page 5: ...ilable at the touch of a button A drumbeat may be recorded in realtime at any speed remembered and edited to make any beat of any length tempo or style in short any drum beat that you hear in your hea...

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Page 8: ...to 230 Close the lid and replace the screws SIGNAL Connect either the LEFT and RIGHT or the MONO outputs to your amplifier or mixer The slide pots on the front panel control the relative volumes of e...

Page 9: ...xplained below The SINGLE STEP mode of recording is explained in the section entitled STEP Press and hold RECORD and then press PLAY The Metronome will click in eighth notes and the DMX will record ov...

Page 10: ...ATION PRESS DISPLAY READS Erase Sequence 00 ERASE hold ERASE SEQ 00 RECORD ERASE SEQ 00 The DMX will beep and then display SELECT SEQ 00 There are several other Erase Modes You can erase any single dr...

Page 11: ...e tempo is changed in record Example 4 Setting the Tempo to 105 Beats per Minute OPERATION PRESS DISPLAY READS Enter Tempo Mode TEMPO TEMPO 080 Set 105 Beats per Minute 105 TEMPO 105 Exit Tempo Mode T...

Page 12: ...ENGTH A sequence can be any length from 1 to 99 measures The DMX sets a length of 2 measures for each sequence unless you set it differently by accessing LENGTH You can then set the desired number of...

Page 13: ...only When the time signature is changed the length of the sequence is affected so before you can exit the time signature mode you must pass through LENGTH to set the length of the sequence NOTE You ca...

Page 14: ...are 04 Quarter Note 06 Quarter Note Triplet 08 Eighth Note 12 Eighth Note Triplet 16 Sixteenth Note 24 Sixteenth Note Triplet 32 Thirty Second Note 48 Thirty Second Note Triplet OFF Quantize Defeated...

Page 15: ...erase any of the drums one beat at a time Pressing ERASE and the desired DRUM erases only that drum on that beat Example 7 Recording and Erasing in STEP OPERATION PRESS DISPLAY READS Access Step Mode...

Page 16: ...54 SWING 58 SWING 62 SWING 66 Exit Swing Mode SWING SELECT SEQ 00 You can swing in either eighth or sixteenth notes by selecting eighth or sixteenth note quantizing If QUANTIZE is set to a value othe...

Page 17: ...ou must press RECORD while pressing COPY to execute Example 11 Append Sequence 25 to Sequence 01 OPERATION PRESS DISPLAY READS Access Copy Mode COPY COPY FROM SEQ 00 Select Sequence 25 25 COPY FROM SE...

Page 18: ...of sequences that you wish to play There can be as many as 255 sequences contained within a song and each sequence within a song can have its own tempo length or time signature PLAYING A SONG To ente...

Page 19: ...G SELECT SONG 00 Access Edit Mode EDIT PART 1 SEQ If there is a number rather than asterisks after SEQ the song is not empty and should be erased before recording see ERASING A SONG Start Song with Se...

Page 20: ...ew sequence number INSERT By pressing RECORD and EDIT the DMX will insert sequence 00 into the song list before the sequence previously displayed You can then REPLACE sequence 00 with the desired sequ...

Page 21: ...y at its programmed tempo allowing tempo changes within a song When in song mode changing the tempo changes all of the tempos by a proportional amount and the display will show the original tempo plus...

Page 22: ...n with three pitches CYMBAL This voice contains two sounds a ride cymbal which can be played accented or unaccented as well as a crash cymbal PERC 1 This voice also contains two sounds a tambourine wi...

Page 23: ...t of your cassette recorder NOTE To reduce hum remove the cables to the cassette recorder when not using the Cassette Interface TRANSFERRING DATA TO RECORD PROGRAMS ONTO TAPE 1 Connect the Cassette Re...

Page 24: ...ough sound of the memory information The display will read PLAYING DATA from the time the switch is pressed until the information transfer has been completed The display will then read DATA COMPLETED...

Page 25: ...t least three seconds of the leader tone must come between pressing CHECK and the rough sound of the memory information The display will read CHECKING DATA from the time the switch is pressed until th...

Page 26: ...r cassette recorder NEVER checks or plays data properly the inverted phase may be the problem The software version 2 10 released in June 1982 enables inverted data to be read properly by the DMX Casse...

Page 27: ...be read properly by the DMX Cassette Interface To set the DMX to read inverted data hold the 0 button while pressing CHECK or PLAY The first digit of the display will show a indicating that the DMX is...

Page 28: ...X have the same TEMPO programming Recordings may be made separately and synchronized later To Record press RECORD and PLAY as before The only difference here is that recording on the slave will not st...

Page 29: ...a SONG the leader tone will return PLAYING BACK THE SYNC TONE Start the tape recorder and then press PLAY on the DMX The DMX will wait to start playing until the chattering sound starts The DMX will c...

Page 30: ...s external voltage control of pitch These trigger and CV inputs provide additional means to control the DMX For example you might place contact microphones on the heads of a drum kit and play the drum...

Page 31: ...T footswitch advances the DMX to the next sequence When playing a sequence the DMX will wait until the sequence currently being played is finished before starting the next sequence When in song mode d...

Page 32: ...he sequences and fills and this is done in some of the example songs Sequence 77 is a single beat that can be used as a simple ending for many of the possible songs Sequence 00 is intended as a brief...

Page 33: ...Fill 17 Rock 5A 57 Bossa A 18 Rock 5A Fill 58 Bossa A Fill 19 Rock 5B 59 Bossa B 20 Rock 5B Fill 60 Bossa B Fill 21 Shuffle A 61 Mambo A 22 Shuffle A Fill 62 Mambo A Fill 23 Shuffle B 63 Mambo B 24 Sh...

Page 34: ...0 Directory 10 Country 1 Hard Rock 1 11 Disco 2 Hard Rock 2 12 Funk 3 Rock Ballad 13 Polka 4 Old time Rock 14 Samba 5 Slow Rock 15 Bossa Nova 6 Shuffle 16 Mambo 7 Honky Tonk Rock 17 Waltz 8 Boogie 18...

Page 35: ...gular movement So what any analog audio system does then is provide a pattern of regular movement Oscillation for the speaker to move in so that you feel the air moving in this same pattern so that yo...

Page 36: ...DEFAULT The result of not making decisions concerning parameters in the DMX If you do not specify how long a sequence is to be for example the DMX will DEFAULT and specify that the length is to be two...

Page 37: ...e of the DMX the rhythms that are played to the closest specified increment In the DMX your recordings can be QUANTIZED to the nearest Quarter note Eighth note or other smaller subdivisions down to a...

Page 38: ...XIMUM TYPICAL SEQUENCE LENGTH 6 Minutes of 1 8 Notes at 80 Beats Minute MAXIMUM SEQUENCE LENGTH Over 5 Hours at 25 Beats Minute MAXIMUM SONG LENGTH 255 Sequences TEMPO RANGE 25 250 Beats per Minute pr...

Page 39: ...lse TTL compatible SYNC TO TAPE INPUT 550 mV RMS FOOTSWITCHES Start Stop Next Sequence contact closure to ground OUTPUTS SIGNALS Stereo and Mono mixed outputs individual voice outputs Level 4dBm nomin...

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