Turbosound LMS-D4 manual

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Table of contents for the manual

  • Page 1

    LMS-D4 DIGITAL LOUDSPEAKER MANAGEMENT SYST EM USER MAN UAL Turbosound L td. Star Road, Part ridge Gr een West Suss ex RH13 8 RY England Tel: + 44 (0)1403 711447 Fax: + 44 (0)1403 710155 web: www.tu rbo s ound.com[...]

  • Page 2

    user manual LMS-D4 LMS-D4 user manual Page 2 CONTENTS Importan t Safe ty Informa tion ............................................................................................................ 3 Unpa ckin g the L MS-D4 ...................................................................................................................... 4 Introduc[...]

  • Page 3

    user manual LMS-D4 LMS-D4 user manual Page 3 An example of t his equipm ent has been tested and f ound to compl y with t he foll owi ng European and int ernat i onal Standar ds for El ectrom agnet ic Compa tibility a nd Ele ctrica l Safe ty: Conducted and Absorbed Emi ssions (EU) : EN55103 (1996) Harmonic Cur rent Em isions ( EU) : EN61000-3-2 Volt[...]

  • Page 4

    user manual LMS-D4 LMS-D4 user manual Page 4 Thanks Thank you for choosi ng t he TURBOSOUND LMS-D4 f or your appl icati on. Please spar e a lit tle t ime to study t he contents of this m anual, so t hat you obtai n the best possi ble per f ormance f rom t his unit. All TURBOSOUND products are carefully engineered for world class performance and rel[...]

  • Page 5

    user manual LMS-D4 LMS-D4 user manual Page 5 Introduct ion The LMS-D4 is a com pact and powerf ul DSP based audio-pr ocessing unit designed for use with parti cul ar Tur bosound l oudspeaker syst em s and associ ated bass encl osur es, combi ning the functi ons of mult iple convent ional pr oducts in a com p act 1U high 19” rack uni t. To achi ev[...]

  • Page 6

    user manual LMS-D4 LMS-D4 user manual Page 6 Front Panel Functions RS-232 LMS-D4 DIGI TAL LOUD SPEA KE R MA N A GEM E NT SY STEM < BACK NEX T > MENU ENT ER SCROLL A B CLIP -24 MUTE 12 3 4 LIMIT 3 28 6 14 5 7 9 1 0 1. LCD Display LCD Display LCD Display LCD Displ ay - Sho ws menu options, out put i nf ormat ion and the par ameter s being adjus[...]

  • Page 7

    user manual LMS-D4 LMS-D4 user manual Page 7 Rear Panel Funct ions 1. Mains Power Mains Power Mains Power Ma in s Po we r - Connected vi a a standard I EC socket. A com p at ible power cord is suppl ied with the unit. 2. Mains Fuse Mains Fuse M ains Fuse Ma i n s Fu s e - Located in a f inger- proof f useholder i ntegr al to the m ains inl et. Al w[...]

  • Page 8

    user manual LMS-D4 LMS-D4 user manual Page 8 Outputs ar e confi gured as f ol lows: Outputs ar e confi gured as f ol lows: Outputs ar e confi gured as f ol lows: Outputs ar e confi gured as f ol lows: - - - - System System System System O/P 1 O/P 1 O/P 1 O/P 1 O/P 2 O/P 2 O/P 2 O/P 2 O/P 3 O/P 3 O/P 3 O/P 3 O/P 4 O/P 4 O/P 4 O/P 4 TQ TQ TQ TQ - - -[...]

  • Page 9

    user manual LMS-D4 LMS-D4 user manual Page 9 Operati ng the LMS- D4 With t he unit m ounted in a r ack or cabinet , secur el y plug in al l connecti ons and check especiall y that t he Low (LF or Bass) and High (H F or Top) output s are connect ed t o the cor r ect ampl ifi ers. I t is good practi ce t o switch on t he LMS-D4 bef ore poweri ng up t[...]

  • Page 10

    user manual LMS-D4 LMS-D4 user manual Page 10 Use the ‘NEXT’ ‘NEXT’ ‘NEXT’ ‘NEXT’ and ‘ ‘‘ ‘ BACK’ keys t o navigate t hrough t he accessi ble user cont rol s. Then when the desired cont r ol appear s on t he displ ay, use the t he ‘SCROLL’ ‘SCROLL’ ‘SCROLL’ ‘SCROLL’ but ton to change t he value as displaye[...]

  • Page 11

    user manual LMS-D4 LMS-D4 user manual Page 11 CROSSOVER SETTINGS 1) Input Gain The input gai n set s the at t enuation of the si gnal befor e any pr ocessing is appl ied. The val ue ranges fr om -40dB t o +6dB i n 0.5dB st eps. In ster eo mode the gai n value appli es to both i nputs. 2) LF Bass Boost Where im plement ed, the r ange of values are f[...]

  • Page 12

    user manual LMS-D4 LMS-D4 user manual Page 12 3) Sub-bas s channels oper ation m ode The possible val ues ar e ‘Ster eo’ and ‘M onoSum L+R’. W i th a syst em using a ster eo two way configur at ion and having channel s 1 and 3 dedicated f or sub- bass oper ation, it i s possible t o set these channels ei t her as independent (i . e. in st e[...]

  • Page 13

    user manual LMS-D4 LMS-D4 user manual Page 13 3. Scrol l to set the near est lower vol tage t o t he calcul at ed value in t he li m iter screen f or that loudspeaker model (or f requency band as appr opr iate) , and press ENTER. Refer t o the limi ter vol tage lookup t able in Appendi x A for a r ange of appr oxi mate conver sion values. In addit [...]

  • Page 14

    user manual LMS-D4 LMS-D4 user manual Page 14 Set the si gnal delay on t he speci fied out put channel. The delays can be adjust ed in 20. 83 uS increment s, wit h a maxim um value of 20. 7 ms ( ≡ 7.1 m etres) in ster eo two way conf igurat ions, and 42 ms ( ≡ 14.4 m etres) in mono t hree way confi gurati ons. These delays ar e provi ded ( thei[...]

  • Page 15

    user manual LMS-D4 LMS-D4 user manual Page 15 Specifications Inputs Inputs Inputs Inputs Two e lectronic ally b alan ced nomin ally 0db Impedance Impedance Impedance Impedance 10 kOh m Outputs Outputs Outputs Ou t p ut s Four elect r onicall y balanced nomi n al ly 0db Min. Load Min. Load Min. Load Mi n . L o a d 600 Ohm Max. Level Max. Level M ax.[...]

  • Page 16

    user manual LMS-D4 LMS-D4 user manual Page 16 WARRANTY This product i s warrant ed against def ects in com ponent s and workmanshi p only, f or a peri od of one year fr om the date of shipment t o the end user . During t he warrant y period, TURBOSOUND will, at its discretion, either repair or replace products which prove to be de fective, provided[...]

  • Page 17

    user manual LMS-D4 LMS-D4 user manual Page 17 Turbosound L td Star Road, Part ridge Gr een West Suss ex RH13 8 RY England Tel:+ 44 (0)1403 711447 Fax: + 44 (0)1403 710155 web: www.t urbosound. com[...]