Roland Corporation DIF-AT24 Owner's Manual
Congratulations on your purchase of the Roland DIF-AT24.
Before using this unit, carefully read the sections entitled: “USING
THE UNIT SAFELY” (p. 2, 3) and “IMPORTANT NOTES” (p. 4).
These sections provide important information concerning the proper
operation of the unit. Additionally, in order to feel assured that you
have gained a good grasp of every feature provided by your new unit,
Owner’s Manual should be read in its entirety. The manual should be
saved and kept on hand as a convenient reference.
Main Features
Owner’s Manual
The DIF-AT24 lets you transfer up to 8 channels of 24-bit
digital audio data between an R-BUS device and a device
equipped with an ADAT interface.
* ADAT is a registered trademark of Alesis Corporation.
* All product names mentioned in this document are trademarks or registered
trademarks of their respective owners.
Copyright © 2003 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form
without the written permission of ROLAND CORPORATION.
Roland Web Site: http://www.roland.co.jp
USING THE UNIT SAFELY
Used for instructions intended to alert
the user to the risk of death or severe
injury should the unit be used
improperly.
Used for instructions intended to alert
the user to the risk of injury or material
damage should the unit be used
improperly.
* Material damage refers to damage or
other adverse effects caused with
respect to the home and all its
furnishings, as well to domestic
animals or pets.
001
• Before using this unit, make sure to read the
instructions below, and the Owner’s Manual.
................................................................................................
002a
• Do not open or perform any internal modifications on the unit.
................................................................................................
003
• Do not attempt to repair the unit, or replace
parts within it (except when this manual
provides specific instructions directing you
to do so). Refer all servicing to your retailer,
the nearest Roland Service Center, or an
authorized Roland distributor, as listed on
the “Information” page.
................................................................................................
004
• Never use or store the unit in places that are:
• Subject to temperature extremes (e.g.,
direct sunlight in an enclosed vehicle, near
a heating duct, on top of heat-generating
equipment); or are
• Damp (e.g., baths, washrooms, on wet
floors); or are
• Humid; or are
• Exposed to rain; or are
• Dusty; or are
• Subject to high levels of vibration.
................................................................................................
007
• Make sure you always have the unit placed
so it is level and sure to remain stable. Never
place it on stands that could wobble, or on
inclined surfaces.
................................................................................................
The symbol alerts the user to important instructions
or warnings.The specific meaning of the symbol is
determined by the design contained within the
triangle. In the case of the symbol at left, it is used for
general cautions, warnings, or alerts to danger.
The symbol alerts the user to items that must never
be carried out (are forbidden). The specific thing that
must not be done is indicated by the design contained
within the circle. In the case of the symbol at left, it
means that the unit must never be disassembled.
The ● symbol alerts the user to things that must be
carried out. The specific thing that must be done is
indicated by the design contained within the circle. In
the case of the symbol at left, it means that the powercord plug must be unplugged from the outlet.
011
• Do not allow any objects (e.g., flammable
material, coins, pins); or liquids of any kind
(water, soft drinks, etc.) to penetrate the unit.
................................................................................................
012d
• Immediately turn the power off, and request
servicing by your retailer, the nearest Roland
Service Center, or an authorized Roland
distributor, as listed on the “Information”
page when:
• If smoke or unusual odor occurs
• Objects have fallen into, or liquid has been
spilled onto the unit; or
• The unit has been exposed to rain (or
otherwise has become wet); or
• The unit does not appear to operate
normally or exhibits a marked change in
performance.
................................................................................................
013
• In households with small children, an adult
should provide supervision until the child is
capable of following all the rules essential for
the safe operation of the unit.
................................................................................................
014
• Protect the unit from strong impact.
(Do not drop it!)
................................................................................................
2
104
• Try to prevent cords and cables from
becoming entangled. Also, all cords and
cables should be placed so they are out of the
reach of children.
................................................................................................
106
• Never climb on top of, nor place heavy
objects on the unit.
................................................................................................
108c
• Disconnect all cords coming from external
devices before moving the unit.
................................................................................................
For EU Countries
This product complies with the requirements of European Directive 89/336/EEC.
For the USA
FEDERAL COMMUNICATIONS COMMISSION
RADIO FREQUENCY INTERFERENCE STATEMENT
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
– Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
– Consult the dealer or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation.
Unauthorized changes or modification to this system can void the users authority to operate this equipment.
This equipment requires shielded interface cables in order to meet FCC class B Limit.
For Canada
NOTICE
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.
AVIS
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.
3
1.
2.
3.
4.
IMPORTANT NOTES
In addition to the items listed under “USING THE UNIT SAFELY” on page 2, please read and observe the following:
291a
Power Supply
307
• Before connecting this unit to other devices, turn off
the power to all units. This will help prevent
malfunctions and/or damage to speakers or other
devices.
Placement
352a
• This device may interfere with radio and television
reception. Do not use this device in the vicinity of
such receivers.
352b
• Noise may be produced if wireless communications
devices, such as cell phones, are operated in the
vicinity of this unit. Such noise could occur when
receiving or initiating a call, or while conversing.
Should you experience such problems, you should
relocate such wireless devices so they are at a greater
distance from this unit, or switch them off.
355b
• When moved from one location to another where
the temperature and/or humidity is very different,
water droplets (condensation) may form inside the
unit. Damage or malfunction may result if you
attempt to use the unit in this condition. Therefore,
before using the unit, you must allow it to stand for
several hours, until the condensation has completely
evaporated.
Maintenance
401a
• For everyday cleaning wipe the unit with a soft, dry
cloth or one that has been slightly dampened with
water. To remove stubborn dirt, use a cloth impregnated with a mild, non-abrasive detergent. Afterwards, be sure to wipe the unit thoroughly with a
soft, dry cloth.
402
• Never use benzine, thinners, alcohol or solvents of
any kind, to avoid the possibility of discoloration
and/or deformation.
558b
• To avoid disturbing your neighbors, try to keep the
unit’s volume at reasonable levels (especially when
it is late at night).
559a
• When you need to transport the unit, package it in
the box (including padding) that it came in, if
possible. Otherwise, you will need to use equivalent
packaging materials.
Copyright
852a
• When exchanging audio signals through a digital
connection with an external instrument, this unit can
perform recording without being subject to the
restrictions of the Serial Copy Management System
(SCMS). This is because the unit is intended solely
for musical production, and is designed not to be
subject to restrictions as long as it is used to record
works (such as your own compositions) that do not
infringe on the copyrights of others. (SCMS is a
feature that prohibits second-generation and later
copying through a digital connection. It is built into
MD recorders and other consumer digital-audio
equipment as a copyright-protection feature.)
853
• Do not use this unit for purposes that could infringe
on a copyright held by a third party. We assume no
responsibility whatsoever with regard to any
infringements of third-party copyrights arising
through your use of this unit.
When connecting to the VM-7100/7200
• The DIF-AT24 will not operate correctly if the
VM-7100/7200 system version is earlier than 1.7.
Use the following procedure to check the system
version, and be sure to update to system version 1.7
or later.
For details on updating, please contact the nearest
Roland office or service center.
Additional Precautions
553
• Use a reasonable amount of care when using the
unit’s switches and when using its jacks and
connectors. Rough handling can lead to malfunctions.
556
• When connecting / disconnecting all cables, grasp
the connector itself—never pull on the cable. This
way you will avoid causing shorts, or damage to the
cable’s internal elements.
4
– To check the version –
Connect the VM-7100/7200 to the VM-C7100/C7200.
Turn on the power to start up the system.
Hold down [On Display] and press numeric key [0].
The version display screen will appear, with an
indication like the following:
“Unit X Version: 1.XXX”
Note the version number shown in “1.XXX”
Contents
Main Features.......................................................................................................................1
USING THE UNIT SAFELY...............................................................................................2
IMPORTANT NOTES .........................................................................................................4
Panel descriptions...................................................................6
Front Panel............................................................................................................................6
Rear Panel .............................................................................................................................6
Turning the power on/off........................................................7
Turning the power on..........................................................................................................7
Turning the power off.........................................................................................................7
Connections and settings.......................................................8
Connection example 1
Connecting the VS-2400CD and a computer..............................................................8
Connection example 2
Connecting the VS-2400CD and a computer............................................................10
Connection example 3
Connecting the VS-2400CD and an ADAT device ..................................................12
Connection example 4
Connecting the VS-2400CD with an ADAT device and BRC................................13
Connection example 5
Using the DIF-AT24 as an additional MIDI OUT for the MV-8000......................15
Specifications
DIF-AT24: Interface Box for R-BUS/ADAT
Sampling Frequency 44.1/48kHz
Audio Data Format 16/20/24 bit
Indicators
Connectors
Power Supply Supplied from connected R-BUS device
Dimensions
Weight
Accessories
* In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior
notice.
Power indicator
ADAT indicator
R-BUS connector
ADAT optical connectors in, out
MIDI connectors in, out
138 (W) x 197 (D) x 43 (H) mm
5-7/16 (W) x 7-13/16 (D) x 1-3/4 (H) inches
0.5 kg
1 lb 2 oz
R-BUS cable (1 m)
Owner's manual
5
Panel descriptions
Front Panel
ADAT indicator
This indicator will light green if an ADAT
interface signal is being input to the ADAT
digital IN connector.
POWER indicator
When the R-BUS device connected to the R-BUS
connector is powered up, this indicator will light
red to indicate that power is being supplied to
the DIF-AT24.
* Power is supplied to the DIF-AT24 via the R-BUS
connector.
Rear Panel
MASTER CLK (Master clock) switch
This switches the master clock (sampling clock)
synchronization.
MASTER CLK
switch
Set to [R-BUS]
Set to [ADAT]
ADAT OUT/IN (ADAT digital out/in)
connector
This is the ADAT digital interface.
It allows eight channels of digital audio data to
be transferred between the DIF-AT24 and an
ADAT-compatible digital device.
R-BUS connector
Provides for the input/output of eight channels
of digital audio data, thus allowing the exchange
of data between the DIF-AT24 and an R-BUS
device to take place. Also transmits/receives
synchronization signals.
* Power is supplied to the DIF-AT24 via the R-BUS
connector.
Master clock device
When using the R-BUS device
connected to the R-BUS
connector as the master clock.
When using the digital device
connected to the ADAT OUT/IN
connector as the master clock
MIDI IN/OUT connectors
These are used mainly for MTC synchronization.
The data that is transmitted from the MIDI OUT connector
will depend on the settings of the R-BUS device connected to
the R-BUS connector.
6
• Connect only an R-BUS device to the R-BUS connector.
You must never connect a device with a SCSI, RS-232C,
or parallel interface. Even though the connectors on such
devices may look similar, they are incompatible, and
damage and/or malfunction could result if you attempt
their connection. Also, you must use only a special R-BUS
cable to make connections.
• You must turn off the power of the R-BUS device before
connecting or disconnecting the R-BUS cable. If you
connect or disconnect the cable while power is being
supplied, the external R-BUS device will stop working
correctly, and the DIF-AT24 or the external R-BUS device
may also be damaged.
• The specifications for “R-BUS” are identical to those of
RMDB2 and RMDB II. You can use it with any device
that is marked “RMDB2” or “RMDB II.”
• R-BUS (RMDB2) is not compatible with the older RMDB
specification.
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