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Explanation of the panels
Explanation of the panels
fig.DigiOutJackGuide.eps
This is optical type jack that outputs a consumer format (IEC-
60958 compliant) digital audio signal.
By default, MONITOR L/R is patched to these jacks.
988
You can attach a commercially available security lock here. For
details, refer to the following website:
http://www.kensington.com/
fig.BatterySlotGuide.eps
This slot contains a lithium battery that maintains the M-300’s
clock function and preserves the mixer settings.
If the battery runs down, you’ll need to replace it. For details on
replacing the battery, refer to “About the internal lithium battery”
(p. 18).
Use this to connect the M-300 to an electrical ground.
927
Do not ground the M-300 to locations such as the following:
•
Water pipe (doing so may cause electrical shock)
•
Gas pipes (doing so may cause fire or explosion)
•
Telephone ground or lightning rod (hazardous if
lightning occurs)
927
Depending on the circumstances of a particular setup, you
may experience a discomforting sensation, or perceive that
the surface feels gritty to the touch when you touch this
device, microphones connected to it, or the metal portions
of other objects, such as guitars. This is due to an
infinitesimal electrical charge, which is absolutely harmless.
However, if you are concerned about this, connect the
ground terminal (see figure) with an external ground. When
the unit is grounded, a slight hum may occur, depending on
the particulars of your installation. If you are unsure of the
connection method, contact the nearest Roland Service
Center, or an authorized Roland distributor, as listed on the
“Information” page.
You can use this power cord hook to prevent the power cord
from being accidentally disconnected.
For details on attaching the power cord hook, refer to
“Attaching the power cord hook” (p. 16).
fig.ACInletGuide.eps
Connect the included power cord to the AC INPUT connector.
Do not connect any power cord to the M-300 other than the
included one.
fig.PowerSwGuide.eps
This turns the power on/off.
945
If you need to turn off the power completely, first turn off the
POWER switch, then unplug the power cord from the power
outlet. Refer to Power Supply (p. 6).
fig.USBMemoryGuide.eps
You can connect USB memory to this connector.
Before you disconnect USB memory, make sure that data is
not being written to USB memory or being read from it. If
you disconnect USB memory while these operations are
occurring, you risk damaging the data.
DIGITAL OUT jack
Security slot
BATTERY slot
Grounding terminal
8
9
10
11
Power cord hook
AC INPUT connector
POWER switch
USB MEMORY connector
12
13
14
15
M-300_e.book 31 ページ ２０１０年６月２４日 木曜日 午後２時２６分