Roland VIMA JM-8 Owner's Manual download pdf (Page 102)

Using the JM-8’s MIDI functions

102

VIMA JM-8

Connecting your computer

If you use a USB cable (commercially available) to con-

nect the USB MIDI port located on the JM-8’s rear panel

to the USB port of your computer, you’ll be able to do

the following things.

•Use the JM-8 to play SMF music files played back by

MIDI-compatible software.

• By transferring MIDI data between the JM-8 and

your sequencer software, you’ll be able to enjoy a

wide range of possibilities for music production and

editing.

(1) Use a standard USB cable (A‰B-type connectors,

commercially available) to connect the JM-8 to

your computer as shown below.

(2) Refer to the Roland website for system require-

ments.

Roland website: http://www.roland.com/

If the computer doesn’t ‘see’ the JM-8

Normally, you don’t need to install a driver in order

to connect the JM-8 to your computer. However, if

some problem occurs, or if the performance is poor,

using the Roland original driver may solve the prob-

lem.

For details on downloading and installing the Roland

original driver, refer to the Roland website:

http://www.roland.com/

Specify the USB driver you want to use, and then

install the driver. For details, refer to page 85.

■ Caution

•To avoid the risk of malfunction and/or damage to

external speakers, always turn the volume all the way

down and switch off the power on all devices before

you make any connections.

• Only MIDI data can be transmitted and received via

USB. Audio data for a song recorded on the JM-8

cannot be transmitted or received.

• Switch on the power to the JM-8 before you start up

the MIDI application on your computer. Never turn

the JM-8’s power on/off while your MIDI application

is running.

MIDI synchronization

There may be times when you want to use the JM-8

together alongside an external sequencer, computer,

drum machine, etc. For this to work properly, you need

set the JM-8 to follow the tempo of the external device

to ensure that it starts and stops at the same time as

the external device.

Note: The JM-8 does not transmit system realtime data.

(1) Connect the external sequencer, etc. to the JM-8’s

MIDI IN socket (see p. 97) or USB MIDI port (see

p. 102).

Be sure to follow all instructions given in the relevant

section.

(2) Press the [EXIT] button repeatedly until it stops

flashing to return to the main page (if necessary).

(3) Press [MENU] ‰ [ADVANCED] ‰ [MIDI].

(4) Press the [MODE] display field in the “SONG RX”

section and use the dial to select one of the fol-

lowing settings.

Auto: This is a good setting for remote control of

song (using a PK-5A dynamic MIDI pedal board, for

example). Whenever the JM-8 receives a MIDI Start

message (FA), it waits for Clock messages that specify

the tempo. If those Clock messages are not received

(a PK-5A, for instance, doesn’t send them), the JM-8

starts playback using its internal tempo.

If, however, Clock messages (F8) follow after the Start

message, the JM-8 uses the external tempo. You can

nevertheless go on using the SMF player/16-track

sequencer without MIDI Start/Clock messages, which

is not possible when you select “MIDI”.

Internal: The JM-8 uses its internal tempo (no syn-

chronization).

MIDI: Song can only be started or stopped with MIDI

real-time messages (Start, Stop, Clock) received from

an external clock source.

Remote: When the JM-8 receives a start message, it

will start using its own tempo. When it receives a

stop message, playback stops. External clock mes-

sages are ignored.

(5) Press the [EXIT] button repeatedly until it stops

flashing to return to the main page.

Note: If you want to use these settings again at a later

stage, consider saving them to a MIDI Set (see p. 103).

USB cable

USB connector

Computer

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