Gemini MDJ-900 User Manual Download Page 12

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WAVE

The WAVE feature allows you to zoom into the waveform of the 
selected track.  To cycle through the available views, hold the 
shift button (10) and press the REV button (6). Multiple presses 
will toggle through different zoom levels. 

TIME FORMAT

TIME FORMAT toggles the display between ELAPSED or 
REMAINING time.  This feature can either be accessed by 
holding shift and pressing the TRACK button (6), 
or through the SETTINGS menu.

TEXT DISPLAY

This feature allows the user to select what information shows 
up at the top of the display for the loaded track.  To change this 
setting, hold the shift button (10) and press the TRACK SEARCH 
+ button (5).  At the top of the LCD screen, the information will 
change between the following parameters on each press…

• Song Name
• Artist Name
• Album Title
• Genre

DATABASE SEARCH

The MDJ-900 is capable of creating a searchable database for 
any attached USB drive.  Once created, this database can be 
used to search the USB drive using a number of modifiers. 
And the database is carried on the USB drive itself, so it is 
always available for any Gemini device.

To create the database, hold shift and press the browse knob 
(14).  You will be asked if you would like to create the SearchDB.  
Once you’ve answered yes, a progress bar will appear while 
the USB drive is indexed.

Once indexing is completed, search is available by FILENAME, 
ARTIST, ALBUM, TITLE, and GENRE.  Turn the browse knob to 
choose your search parameter, then push to select.

From there, you will be able to select alphanumeric characters 
to search through the tracks.

To back out of results to search with a different alphanumeric 
character, press the back button (15).

If you would like to change your search field (for instance, from 
FILENAME to TITLE), hold shift and turn the browse knob.

If you add or remove music from your USB storage device.  It’s 
a good idea to also update your SearchDB.  To do this, just hold 
shift and press the browse knob again.  You will be asked if you 
would like to update your database or use the existing.  Choose 

update and let the MDJ-900 re-index your drive.  
TIME FORMAT toggles the display between ELAPSED or 
REMAINING time.  This feature can either be accessed by 
holding 

 

MIDI MODE

The MDJ-900 has MIDI mode, which allows the data from the 
buttons and dials of the MDJ-900 to be encoded into MIDI 
format. If the unit is connected via a USB cable to a computer 
with MIDI-compatible DJ software, the DJ software can be 
operated from the unit. The computer audio can also be played 
from the MDJ- 900’s audio outputs.  It may not be possible to 
use some buttons to operate the DJ software.

HID MODE

In addition to MIDI, the MDJ-900 also uses HID protocol, which 
allows more verbose (and higher resolution) messaging. If your 
software supports HID devices, disable MIDI devices in your 
software and search for HID devices. This should locate the 
MDJ-900 and allow you to use it as an HID device.

MIDI CHANNEL

It is possible that you will need to change the MIDI channel your 
MDJ-900 is using – either to gain compatibility with software or 
to resolve a conflict with another connected MIDI device.  

To change the MIDI channel, make sure that you have the USB 
source selected, then press SETTTINGS (17).  Scroll down to the 
entry called MIDI CHANNEL.  Press the browse knob to select 
that entry, then turn the browse knob to select the desired  
channel (0-15 are available).  Once you’ve selected the correct 
MIDI channel, press the BACK button to exit Settings.

BROWSER MODIFIERS

MIDI CONTROLS

CONFIGURING MIDI MODE

Summary of Contents for MDJ-900

Page 1: ...Please read the manual carefully before operation WWW GEMINISOUND COM MDJ 900 PROFESSIONAL ME DIA C ON TROL L E R USER MANUAL ...

Page 2: ...t will only fit into a grounding type power outlet This is a safely feature If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the grounding type plug POWER CORD PROTECTION Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them payi...

Page 3: ... it comfortably and clearly and without distortion Once you have established a comfortable sound level set the dial and leave it there Taking a minute to do this now will help to prevent hearing damage or loss in the future After all we want you listening for a lifetime Used wisely your new sound equipment will provide a lifetime of fun and enjoyment Since hearing damage from loud noise is often u...

Page 4: ...r III AAC 16 bit 44 1 kHz stereo AAC Core AAC Plus AAC Plus v2 AIFF 16 bit 44 1 kHz stereo Supported file systems on USB Storage Devices include FAT FAT32 HFS NTFS When placed in MIDI mode the MDJ 900 can send MIDI data from the buttons and dials to a computer to control the parameters and playback controls of DJ software The audio playback from the computer can also be output from the MDJ 900 Bef...

Page 5: ...4 Track Search In Out Adjust Reloop Exit 2 x2 Loop Roll Jog Adjust Shift 4 3 LCD Display Auto Loop Back Eject USB Source Select Settings Jog Start Time Jog Stop Time Filter Vinyl Quantize Slip Mode Keylock Auto Cue Tempo Slider Jog Wheel Browse Select Search Window Hot Cues 1 4 Delete Cues 1 4 Sync Master Beat Offset 2 3 6 5 4 7 8 9 1 10 12 11 13 14 15 16 17 19 18 20 21 22 23 24 25 26 27 A B C D E...

Page 6: ...OUT C on the rear panel Plug the other end of the USB cable into any available USB port on your computer This will enable you to use the MDJ 900 in MIDI mode LINK Plug in the LAN cable into the LINK OUT B on the rear panel Plug the other end of the LAN cable into another MDJ 900 LAN port This will enable you to use the MDJ 900 in LINK mode If you are using more than 2 MDJ 900s plug a LAN cable int...

Page 7: ...s of the current playing song When elapsed time is displayed the left edge of the graph lights green to show how much of the song has elapsed When remaining time is displayed the right side of the graph lights green to show the remaining time OTHER SCREEN MESSAGES FILTER Tells what type of filter is active and the amount applied MSD READ ONLY Indicates that the inserted media is not writable MASTE...

Page 8: ...E on the top of the MDJ 900 Upon loading the device the LCD display will show the folders and tracks on the USB storage device To eject the USB drive press EJECT or MIDI and remove the USB storage device NOTE Before powering off the MDJ 900 it s a good idea to remove any connected USB storage device Turning the browse knob 14 activates the browse screen The browser shows the available files and fo...

Page 9: ...moved away from the user up The rate at with the playing speed is changed is indicated on the LCD display P I TCH B E ND Pressing the PITCH BEND 25 will temporarily raise or lower the pitch from the existing pitch setting Releasing the buttons will return the pitch to the original setting P I TCH RANGE Pressing shift and pitch bend 25 toggles the range between 4 8 16 24 50 and 100 Please note that...

Page 10: ...ck press LOOP IN 8 at the desired starting position for the loop loop in point Press LOOP OUT ADJUST 8 at the desired ending position for the loop loop out position The loop out point is now set and loop playback starts from the loop in point ADJUSTING A LOOP To adjust the loop once the loop is set press the IN 8 button to adjust the in point or press the OUT ADJUST button to adjust the out point ...

Page 11: ...tinues inaudibly underneath Once the jogwheel is released track playback will continue from the playback position playing underneath SLIP WITH LOOP To use SLIP with loop playback enable SLIP mode by pressing the SLIP 22 button Set a loop using the IN OUT controls and loop playback will begin The SLIP 22 button will begin flashing indicating SLIP mode is active and the position playing underneath is...

Page 12: ...r press the back button 15 If you would like to change your search field for instance from FILENAME to TITLE hold shift and turn the browse knob If you add or remove music from your USB storage device It s a good idea to also update your SearchDB To do this just hold shift and press the browse knob again You will be asked if you would like to update your database or use the existing Choose update ...

Page 13: ...your AUDIO device Refer to DJ software s instructions SOUND CARD The MDJ 900 USB audio interface has the following bit depth sample rate options available 24 bit 192kHz 24 bit 96 kHz 24 bit 48 kHz 16 bit 48kHz 16 bit 44 1 kHz To change these settings press the USB source select button 17 and then press the SETTINGS button 17 Scroll down to the SOUND CARD entry press the browse knob to select turn ...

Page 14: ...etting MIDI Channel 0 15 Sets MIDI Channel Vinyl Mode On Off Turns Vinyl scratch mode on or off Platter Nudge 1 2 3 4 5 Determines platter nudge sensitivity Load Settings from MSD Loads stored settings off mass storage device Save Settings to MSD Save settings to mass storage device Reset Settings Reset settings to default values Software Version Current software version Exit Exit the menu Setting...

Page 15: ...he computer does not recognize the device try powering the unit off and rebooting the computer If the DJ software does not list the device ensure that you are using the latest version by downloading any updates to your DJ software If the MDJ 900 mapping does not appear in your DJ software s list go to geminisound com for downloads and support GENERAL TROUBLESHOOTING Make sure your MDJ 900 is runni...

Page 16: ...is manual may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic electrical mechanical optical chemical including photocopying and recording for any purpose without the express written permission of Innovative Concepts and Design LLC It is recommended that all maintenance and service on this product is performed by nnovative Concepts and Design LLC or ...

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