Manuale d’uso / di manutenzione del prodotto 9737 del fabbricante Sound Performance Lab
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Manual Digital T ape Saturation Proc essor Machine Head Model 9737.
SOUND PERFORMANCE LAB by Her mann Gier V ersion 1.3 – 1 / 1999 T he inf ormation in t his document has been caref ully v erif ied and is assumed t o be c orrect. How ever Sound P erf ormance La boratory (SPL) reserv es t he right to modify t he product described in t his manual at any time .
3 Machine Head © SPL electronics GmbH, Stand 10/97 Contents Dear cust omer , T hank y ou f or the c onfidence y ou hav e shown tow ards SPL electronics GmbH by purc hasing t he SPL M ACHINE H EAD .
4 Machine Head Machine Head Machine Head © SPL electronics GmbH, Stand 11/96 T he M ACHINE H EAD is a creativ e sound and d ynamics processor wit hin SPL´s Digital-R ed series . Concept : T he algorit hm used b y M ACHINE H EAD c omput es aut hentic tape saturation ef f ects , hit herto unav ailable in t he digital domain.
5 Machine Head Operation Safety Indicators and meters: M ACHINE H EAD is equipped wit h PPM dis pla y s f or input and output lev els . T he first LED of eac h input and output meter is a signal (S IG .) LED w hic h illuminates w hen a c ompatible digital data s tream is present at t he inputs .
6 Machine Head Connections Bef ore c onnecting t he M ACHINE H EAD switc h t he pow er of f at all c onnected units . T he rear panel provides AES/EBU- and S/P-DIF-inputs and outputs . Any additional c hannel, status and user -bits are passed t hrough unaltered, and t he outputs can be used at the same time if required.
7 Machine Head Quick Start Analogue Tape Recording Signal Flow Magnetic Tape: Hysteresis Curve Record Head Erase Head Playback Head Input High frequency Bias Current Record Equaliser Playback Equaliser Output All c ontrols are in t he st art-of f positions: I NPUT G AIN 0, D RIVE 0, HF-A DJUS T 0, O UTPUT G AIN 0, T APE S PEED 15 1.
8 Machine Head Rela y hard-bypass for AES/EBU input and output Setting the r ecording level of the ‘virtual ta pe machine ’ Control Elements T he A CTIVE f unction switc hes t he M ACHINE H EAD on or of f . T he illuminated LED indicat es t hat t he processing has been activat ed.
9 Machine Head Practical values f or the D RIVE are 3 to 8. T he par ag raph besides off ers some inf ormation on internal signal level manag ement. Abo ve: original signal Belo w: processed signal sho wing increased loudness Both signals ar e normalized to 0 dBFs.
10 Machine Head O UTPUT G AIN varies t he output level of t he digit al data s tream. It is varia ble betw een -12 dB and +12 dB in 0.1 dB steps . T he adjus ted O UTPUT G AIN value is shown in t he L C-dis pla y (see 7) and in t he O UTPUT PPM meter (see 8).
11 Machine Head S t oring a pr eset: Depress S T ORE f or1 sec ., LED flashes; use U P /D OWN t o select preset no .; depress S T ORE ag ain, LED goes out, preset is st ored A pplying a pr eset: Depress A PPL Y f or1 sec., LED flashes; use U P /D OWN t o select preset no .
12 Machine Head Depressing S T ORE and A PPL Y simultanouesl y f or about one sec ond gets you int o a hard w are dialogue , called I NFO . T he L C- dis pla y shows st atus inf or mations of t he digit al data s tream. Wi t h U P /D OWN you will jump from one page to t he ne xt or previous .
13 Machine Head Press A PPL Y (if S/P-DIF is detected): S/P-DIF wit h w ordc loc k detect ed or : S/P-DIF input wit hout w ordc l oc k is detected 3. Dis pla ying t he det ected sample frequenc y: T he S AMPLE F REQUENCY will be det ected aut omaticall y .
14 Machine Head 9. Dis pla ying t he Emphasis f lag: N O = no emphasis; Y ES = wit h emphasis 10. Selecting a serial port: RS-232 interf ace f or updat e-download from PCs or (press A PPL Y ): RS-422 interf ace f or updat e-download from MACs . 11. Selecting a MIDI c hannel: Depress A PPL Y to step from MIDI CHANNEL 01 up t o MIDI CHANNEL 16.
15 Machine Head Specifications ( 1 ) AES/EBU is defined for levels from 2 V to 7 V Measurements AES/EBU : 4,4 V with load ( 2 ) S/P -DIF is defined for levels from 200 mV to 700 mV Measurements S/P -DIF : 500 mV with load Subject to change without notice.
16 Machine Head SPL electronics GmbH (hereafter called SPL) products are w arranted onl y in t he country w here purc hased, through t he aut horized SPL dis tributor in t hat country , against def ects in material or w orkmanship .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Sound Performance Lab 9737 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Sound Performance Lab 9737 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Sound Performance Lab 9737 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Sound Performance Lab 9737 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Sound Performance Lab 9737, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Sound Performance Lab 9737.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Sound Performance Lab 9737. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Sound Performance Lab 9737 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
