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INSTALLATION
PLACEMENT
LOCATION
POWER SUPPLY
HOOKUP
BEFORE MAKING
CONNECTIONS
For best performance from the DM-80's hard disk be sure to install the
DM-80 rack mount unit in a solid, level location, in an area free from
excess vibration or movement.
Operating the DM-80 near devices containing large power transformers
(e.g. power amplifiers) may induce hum.
Note: If the room suddenly changes temperature, or if the DM-80 is brought from a cold location
into a warm room, condensation may form on the hard disk or other components, which can cause
damage. In this situation, wait for one hour or more for the DM-80 to adjust to the new tempera-
ture before operating.
Be sure to use only the correct AC voltage. The DM-80 power supply is
designed for use in the country of purchase.
If you plan to use the DM-
80 in another country, a power converter or other accessories may be
required. Please contact a Roland service center for additional
information.
Do not connect the DM-80 to the same circuit as devices which
produce electrical noise (motors, lighting dimmers, etc.) or devices
which consume large amounts of power (heaters, air conditioners, etc.)
Use the cables packed with the DM-80-4/8 and the DM-80-F. Use of
other cables may result in damage to the units.
When making connections, be sure the DM-80-4/8 is powered off. Do
not apply power until after all connections have been made. If not, the
DM-80 system will not function.
Never disconnect any DM BUSS cable while operating the DM-80
system. If a DM BUSS cable is disconnected and then re-connected, the
system will cease functioning. You will need to power off the unit
before it can be restarted. If this occurs, all unsaved data will be lost.
The above conditions also apply to a system being controlled by Track
Manager software. Never disconnect any cable between the computer and
DM-80 system—whether DM BUSS, MIDI or RS-422—or the system may
cease functioning. You will need to power off the computer and DM-80
and restart. If this occurs, all unsaved data will be lost.
ROLAND DM-80-4 / DM-80-8 • OWNER'S MANUAL
11
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