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4

 

USING THE UNIT SAFELY

 

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.

 

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003

 

Do not attempt to repair the unit, or 
replace parts within it (except when 
this manual provides specific instruc-
tions directing you to do so). Refer all 
servicing to your retailer, the nearest 
Roland Service Center, or an autho-
rized Roland distributor, as listed on 
the “Information” page.

 

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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.

 

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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.

 

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008a

 

The unit should be connected to a 
power supply only of the type 
described in the operating instruc-
tions, or as marked on the unit.

 

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008e

 

Use only the attached power-supply 
cord.

 

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009

 

Do not excessively twist or bend the 
power cord, nor place heavy objects 
on it. Doing so can damage the cord, 
producing severed elements and short 
circuits. Damaged cords are fire and 
shock hazards!

 

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010

 

This unit, either alone or in combi-
nation with an amplifier and 
headphones or speakers, may be 
capable of producing sound levels that 
could cause permanent hearing loss. 
Do not operate for a long period of 
time at a high volume level, or at a 
level that is uncomfortable. If you 
experience any hearing loss or ringing 
in the ears, you should immediately 
stop using the unit, and consult an 
audiologist.

 

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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.

 

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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.

 

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014

 

Protect the unit from strong impact.

 

(Do not drop it!)

 

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015

 

Do not force the unit’s power-supply 
cord to share an outlet with an unrea-
sonable number of other devices. Be 
especially careful when using 
extension cords—the total power used 
by all devices you have connected to 
the extension cord’s outlet must never 
exceed the power rating (watts/
amperes) for the extension cord. 
Excessive loads can cause the 
insulation on the cord to heat up and 
eventually melt through.

 

.....................................................................

 

016

 

Before using the unit in a foreign 
country, consult with your retailer, the 
nearest Roland Service Center, or an 
authorized Roland distributor, as 
listed on the "Information" page.

 

.....................................................................

 

026

 

Do not put anything that contains 
water (e.g., flower vases) on this unit. 
Also, avoid the use of insecticides, 
perfumes, alcohol, nail polish, spray 
cans, etc., near the unit. Swiftly wipe 
away any liquid that spills on the unit 
using a dry, soft cloth.

 

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101a

 

The unit should be located so that its 
location or position does not interfere 
with its proper ventilation.

 

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102b

 

Always grasp only the plug on the 
power-supply cord when plugging 
into, or unplugging from, an outlet or 
this unit.

 

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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.

 

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106

 

Never climb on top of, nor place heavy 
objects on the unit.

 

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107b

 

Never handle the power cord or its 
plugs with wet hands when plugging 
into, or unplugging from, an outlet or 
this unit.

 

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108a

 

Before moving the unit, disconnect the 
power plug from the outlet, and pull 
out all cords from external devices.

 

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109a

 

Before cleaning the unit, turn off the 
power and unplug the power cord 
from the outlet (p. 5).

 

......................................................................

 

110a

 

Whenever you suspect the possibility 
of lightning in your area, pull the plug 
on the power cord out of the outlet.

 

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118

 

Should you remove the optical 
connector caps, make sure to put them 
in a safe place out of children's reach, 
so there is no chance of them being 
swallowed accidentally.

 

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119

 

The top of the unit may become hot, so 
take care to avoid burns.

 

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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. 

Used for instructions intended to alert 
the user to the risk of death or severe 
injury should the unit be used 
improperly. 

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 power-
cord plug must be unplugged from the outlet. 

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. 

Summary of Contents for DS-30A

Page 1: ...s 20 watt and 10 watt amplifiers designed to achieve high sound quality Analog Input In addition to an XLR connector which provides for balanced input a 1 4 TRS phone jack accommodating either balance...

Page 2: ...o 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 ca...

Page 3: ...e or the third prong are provided for your safety When the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet WARNING IMPORTANT As the colours of...

Page 4: ...using the unit in a foreign country consult with your retailer the nearest Roland Service Center or an authorized Roland distributor as listed on the Information page 026 Do not put anything that cont...

Page 5: ...his instrument Peeling such matter off the instrument may damage the exterior finish add 1 During operation this unit must be placed at a distance of no less than 20 cm from any walls add 2 Do not all...

Page 6: ...octor immediately Bass reflex Ducts These are conduits for rich bass range reproduction Power Switch This switch turns the power on off Power Indicator Lights when power is on HF Driver Do not touch t...

Page 7: ...nbalanced connections are possible 922b This instrument is equipped with balanced XLR TRS type input jacks Wiring diagrams for these jacks are shown below Make connections after first checking the wir...

Page 8: ...UT DIGITAL IN COAXIAL Tips about high sound quality playback Please pay careful attention to the placement location In order to take full advantage of the low frequency playback capabilities of this d...

Page 9: ...lease also refer to Placement in IMPORTANT NOTES p 5 Precautions When Connecting and Turning on the Power 921 To prevent malfunction and or damage to speakers or other devices always turn down the vol...

Page 10: ...oesn t Sound Like Stereo Check the setting of the Assign switch Right L R or Left The DS 30A uses an identical construction for the left and right monitors and makes no distinction between left and ri...

Page 11: ...er s Manual Power Cord 962a In the interest of product improvement the specifications and or appearance of this unit are subject to change without prior notice Dimensions fig Frequency Response fig 17...

Page 12: ...02901001 2RCC...

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