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What should a perfect user manual contain?
First and foremost, an user manual of Sound Performance Lab 9737 should contain:
- informations concerning technical data of Sound Performance Lab 9737
- name of the manufacturer and a year of construction of the Sound Performance Lab 9737 item
- rules of operation, control and maintenance of the Sound Performance Lab 9737 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Sound Performance Lab 9737 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Sound Performance Lab 9737, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Sound Performance Lab service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Sound Performance Lab 9737.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Sound Performance Lab 9737 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
Manual Digital T ape Saturation Proc essor Machine Head Model 9737[...]
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Page 2
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 . Changes wit hout notice . T his document is t he proper[...]
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Page 3
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 . Y ou hav e decided t o use a t ool of high perf ormance w hic h sets you in t he position to ha v e f ast er success and a bett er sound quality in you[...]
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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. T he subjectiv e sonic [...]
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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 . The LEDs are a f ir st indi- cator t o c hec k the da[...]
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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. T he M ACHINE H EAD operat e[...]
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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. Press A CTIVE .[...]
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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. T he softw are b ypass also c ompensat es f or the 5ms time dela[...]
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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. Adjusting t he high frequency damping eff ects T he higher t he D RIVE the more int [...]
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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). In practice you will st art wit h t he OUTPUT G AIN set to 0 dB . In case you ha v e used [...]
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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 .; depress A PPL Y ag ain, LED goes out, preset is a pplied Operation safety: [...]
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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 . If a selection is provided use A PPL Y to select. 1. Sof[...]
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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 . T he dis play eit her shows 44,1 kHz, 48 kHz or 32 kHz. 4. Dis pla ying t he A udio-Error f l[...]
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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. In or[...]
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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. Input/Output Sample rate frequency , autom. 32-48kHz AES/EBU , twisted pair (1) AES 3 AES/EBU [...]
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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 . T he s pecif ic period of t his limited w arranty shall be that w hic h is described to t he original retail purc has[...]