User manual ROLAND DS-90A MANUAL 2

[. . . ] OWNER'S MANUAL Thank you for purchasing the Roland Bi-Amp Monitor DS-90A. 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. · 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. · A small amount of heat will radiate from the unit during normal operation. · To avoid disturbing your neighbors, try to keep the unit's volume at reasonable levels (especially when it is late at night). · 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. · 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. · Howling could be produced depending on the location of microphones relative to speakers. This can be remedied by: ·Changing the orientation of the microphone. ·Relocating microphone at a greater distance from speakers. ·Lowering volume levels. 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 XLR/TRS Phone Input Connector (Analog Input) This is for connecting XLR or TRS phone plugs. PUSH XLR type 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. PUSH GND(SLEEVE) 1:GND 2:HOT 3:COLD 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-90A monitors with digital signals, this connector is used for output to the second DS-90A. 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. [. . . ] Service Division 22-32 Pun Shan Street, Tsuen Wan, New Territories, HONG KONG TEL: 2415 0911 SWITZERLAND Roland (Switzerland) AG Musitronic AG Gerberstrasse 5, CH-4410 Liestal, SWITZERLAND TEL: (061) 921 1615 CENTRAL/LATIN AMERICA ARGENTINA Instrumentos Musicales S. A. Florida 656 2nd Floor Office Number 206A Buenos Aires ARGENTINA, CP1005 TEL: (54-11) 4- 393-6057 FINLAND Roland Scandinavia As, Filial Finland Lauttasaarentie 54 B Fin-00201 Helsinki, FINLAND TEL: (9) 682 4020 TURKEY Barkat Muzik aletleri ithalat ve ihracat limited ireketi Siraselviler Cad. TURKEY TEL: (0212) 2499324 UKRAINE TIC-TAC Mira Str. Box 180 295400 Munkachevo, UKRAINE TEL: (03131) 414-40 INDIA Rivera Digitec (India) Pvt. Ltd. 409, Nirman Kendra Mahalaxmi Flats Compound Off. [. . . ]