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IMPORTANT SAFETY INSTRUCTIONS

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

ATTENTION

: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR

CAUTION:   TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

The lightning flash with arrowhead symbol, within an 
equilateral triangle, is intended to alert the user to the 
presence of uninsulated “dangerous voltage” within the 
product’s enclosure that may be of sufficient magnitude to 
constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is 
intended to alert the user to the presence of important 
operating and maintenance (servicing) instructions in the 
literature accompanying the product.

INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS.

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

WARNING - When using electric products, basic precautions should always be followed, including the following:

1.

Read these instructions.

2.

Keep these instructions.

3.

Heed all warnings.

4.

Follow all instructions.

5.

Do not use this apparatus near water.

6.

Clean only with a dry cloth.

7.

Do not block any of the ventilation openings. Install in 
accordance with the manufacturers instructions.

8.

Do not install near any heat sources such as radiators, 
heat registers, stoves, or other apparatus (including 
amplifiers) that produce heat.

9.

Do not defeat the safety purpose of the polarized or 
grounding-type plug. A polarized plug has two blades with 
one wider than the other. A grounding type plug has two 
blades and a third grounding prong. The wide blade 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 the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying 

the terminals in your plug, proceed as follows:

The wire which is coloured GREEN-AND-YELLOW must be connected to the terminal in the plug which is marked by the 

letter E or by the safety earth symbol     or coloured GREEN or GREEN-AND-YELLOW.

The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.

THIS APPARATUS MUST BE EARTHED
THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE.
GREEN-AND-YELLOW: EARTH, BLUE: NEUTRAL, BROWN: LIVE

For the U.K.

10. Protect the power cord from being walked on or pinched 

particularly at plugs, convenience receptacles, and the 
point where they exit from the apparatus.

11. Only use attachments/accessories specified by the 

manufacturer.

12. Never use with a cart, stand, tripod, bracket, 

or table except as specified by the 
manufacturer, or sold with the apparatus. 
When a cart is used, use caution when 
moving the cart/apparatus combination to 
avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or when 

unused for long periods of time.

14. Refer all servicing to qualified service personnel. Servicing 

is required when the apparatus has been damaged in any 
way, such as power-supply cord or plug is damaged, liquid 
has been spilled or objects have fallen into the apparatus, 
the apparatus has been exposed to rain or moisture, does 
not operate normally, or has been dropped.

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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