User manual ROLAND DS-50A

[. . . ] OWNER'S MANUAL 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. These sections provide important information concerning the proper operation of the unit. [. . . ] Rough handling can lead to malfunctions. 556 · To avoid possible breakdown, do not use the unit in a wet area, such as an area exposed to rain or other moisture. 356 · Do not allow rubber, vinyl, or similar materials to remain on the piano for long periods of time. Such objects can discolor or otherwise harmfully affect the finish. 357 · When connecting / disconnecting all cables, grasp the connector itself--never pull on the cable. This way you will avoid causing shorts, or damage to the cable's internal elements. 557 · A small amount of heat will radiate from the unit during normal operation. 558b · Do not put anything that contains water (e. g. , flower vases) on the piano. 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. 359 · To avoid disturbing your neighbors, try to keep the unit's volume at reasonable levels (especially when it is late at night). 559a · Do not paste stickers, decals, or the like to this instrument. Peeling such matter off the instrument may damage the exterior finish. · During Operation, this device must be placed at a distance of no less than 50 cm from any walls. · Do not allow objects to remain on top of the unit while it is in operation. · If you cover the heat sink, their function is defeated, and their temperature can rise to overly high levels, · When you need to transport the unit, package it in the box (including padding) that it came in, if possible. Otherwise, you will need to use equivalent packaging materials. 562 · Use a cable from Roland to make the connection. If using some other make of connection cable, please note the following precautions. · Some connection cables contain resistors. Do not use cables that incorporate resistors for connecting to this unit. The use of such cables can cause the sound level to be extremely low, or impossible to hear. For information on cable specifications, contact the manufacturer of the cable. 5 Names of Things and What They Do HF Driver * Do not touch the diaphragm. Digital In Indicator This lights up when output is received from a connected digital device or during standby. Connect the digital-signal output device, set the "Input Select switch" to DIGITAL INPUT, and set the "Digital Input select switch" according to the connector to which the device is attached (Coaxial or Optical). * When the connected digital-signal output device is not powered up, the Digital In indicator does not light up. LF Driver * Do not touch the speaker cone. Bass-reflex Ducts These are conduits for rich, bass-range reproduction. Power Indicator Lights when power is on. 1 Analog Input 10 6 7 8 9 5 XLR/TRS Phone Input Connector (Analog Input) This is for connecting XLR or TRS phone plugs. XLR type 3 1 TRS Phone type phone type (Unbalanced) (Balanced) Both balanced and unbalanced connections are possible. NOTE The pin assignment for the connector is as shown below. Before making any connections, make sure that this pin assignment is compatible with that of all your other devices. GND(SLEEVE) 1:GND 2:HOT 3:COLD 2 HOT(TIP) COLD(RING) 6 Names of Things and What They Do 2 Digital Input Coaxial Input Connector (Digital Input) This is the digital input connector for coaxial cable. 3 Input Select Switch Used to select Digital Input or Analog Input. Select the connector used for the input signal. NOTE It cannot be used for input of analog audio signals (no sound is produced). 4 Thru (Digital Out) Connector When connecting multiple DS-50A monitors with digital signals, this connector is used for output to the second DS-50A. Optical Input Connector (Digital Input) This is the digital input connector for optic-fiber cable. Use commercially available optical cable for audio equipment to make the connection. Refer to "Connection Examples" (p. 8, 9). 5 Level Control This adjusts the input level. [. . . ] L. L. C. Zabeel Road, Al Sherooq Bldg. , No. TEL: (04) 3360715 DENMARK Roland Scandinavia A/S Nordhavnsvej 7, Postbox 880, DK-2100 Copenhagen DENMARK TEL: (039)16 6200 INDIA Rivera Digitec (India) Pvt. Ltd. 409, Nirman Kendra Mahalaxmi Flats Compound Off. Edwin Moses Road, Mumbai-400011, INDIA TEL: (022) 498 3079 SWITZERLAND Roland (Switzerland) AG Musitronic AG Gerberstrasse 5, CH-4410 Liestal, SWITZERLAND TEL: (061) 921 1615 BRAZIL Roland Brasil Ltda. R. [. . . ]