Instruction/ maintenance manual of the product DS-50A Roland
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Thank you for purchasing the Roland Bi-Amp Monitor DS-50A. Before using this unit, carefully read the sections entitled: “IMPORTANT SAFETY INSTRUCTIONS” (p. 2), “USING THE UNIT SAFELY” (p. 3), and “IMPORTANT NOTES” (p. 5). These sections provide important information concerning the proper operation of the unit.
2 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.
3 • Before using this unit, make sure to read the instructions below, and the Owner’s Manual. .......................................................................................................... • Do not open or perform any internal modifications on the unit.
4 USING THE UNIT SAFELY ...................................................................... 3 IMPORTANT NOTES ............................................................................... 5 Names of Things and What They Do .......................
5 IMPORTANT NOTES Power Supply 301 • Do not use this unit on the same power circuit with any device that will generate line noise (such as an electric motor or variable lighting system). 307 • Before connecting this unit to other devices, turn off the power to all units.
6 Names of Things and What They Do HF Driver * Do not touch the diaphragm. LF Driver * Do not touch the speaker cone. Bass-reflex Ducts These are conduits for rich, bass-range repr oduction. Power Indicator Lights when power is on. Digital In Indicator This lights up when output is received fr om a connected digital device or during standby.
7 Names of Things and What They Do 2 Digital Input Coaxial Input Connector (Digital Input) This is the digital input connector for coaxial cable. NOTE It cannot be used for input of analog audio signals (no sound is produced). Optical Input Connector (Digital Input) This is the digital input connector for optic-fiber cable.
8 Connection Examples Important Notes on Placement ● During setup and transport, be careful not to damage the vibrating portions (the speaker cone and diaphragm). ● Be sure to place the monitor so that the heat sink on the rear panel is not obstructed.
9 Connection Examples Using As a Reference Monitor for the V-Studio or V-Mixer NOTE • Please be aware that not all VS/VM series units are capable of providing speaker modeling. Before making your purchase, you should confirm that the unit you are considering does indeed provide the features you desire.
10 Reference There ’ s No Sound ● Make sure the Input Level control has not been turned fully counterclockwise. ● Make sure the Input Select switch has been set to the connector where the input signal is connected (Digital Input or Analog Input).
Reference 11 Frequency Response -10 -20 10 20 0 -30 20 50 100 200 500 1k 2k 5k 10k 20k (dB) (Hz) Frequency Response LF: max flat HF: max flat LF: min HF: min For the USA FEDERAL COMMUNICATIONS COMMISS.
Information When you need repair service, call your nearest Roland Service Center or authorized Roland distributor in your country as shown below. As of June 1, 2000 (Roland) ARGENTINA Instrumentos Musicales S.A. Florida 656 2nd Floor Office Number 206A Buenos Aires ARGENTINA, CP1005 TEL: (54-11) 4- 393-6057 BRAZIL Roland Brasil Ltda.
An important point after buying a device Roland DS-50A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Roland DS-50A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Roland DS-50A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Roland DS-50A you will learn all the available features of the product, as well as information on its operation. The information that you get Roland DS-50A will certainly help you make a decision on the purchase.
If you already are a holder of Roland DS-50A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Roland DS-50A.
However, one of the most important roles played by the user manual is to help in solving problems with Roland DS-50A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Roland DS-50A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
