BSS Audio Omnidrive FDS-388 Specifications

1

10The Green and Yellow wire of the mains cord must always be connected to aninstallation Safety Earth or Ground. The Earth is essential for personal s

11Rear panelA Mains power inputB FuseC Power voltage selectorD Meteorology probe connectorRefer to Section 20.0 Meteorology and Section 8.0 Delay Util

12Controls3.0 ControlsA Soft KeysMany of the editing screens have one or more soft key labels down the lefthand side of the display (Fig 3.2). Each co

13H Utility KeyThe Utility Key takes the user in and out of each edit screen's utility area. Theled is lit when in a utility screen.Refer to Sect

143.1 Output SectionA Mono ledThe Mono led reflects the status of the Mono Lo parameter which is set in theXOver Utility Screen.Refer to Section 12.0

15Getting Around the FDS-388Split, Left and Right Keys4.0 Getting Around the FDS-388The Split keys (Left and Right) are used to select which of the tw

16Moving Around the ScreensFig 4.0 FDS-388 KeyMapQuick ReferencePressing the EDIT key shifts the screen through each of the mainediting areas in turn

17Moving Around the ScreensThe Soft keys have different operations depending on the cur-rent screen. Two lines of text for each key on the left handsi

18After powering up, the FDS-388 performs internal checks and sets up the audiopath before releasing the output mute relays. The time before the mute

19The Xover Utility Screen sets the master slope (in dB per octave) and the shape(Linkwitz-Riley, Butterworth or Bessel) for all crossover edges. Mono

2V2.0 DEP/JMK 15 May 1997We have written this manual with the aim of helping installers and sound engineers to get to grips with theOmnidrive and obta

20Quick Reference1 Press the EDIT key to enter the edit screens.2 Press STORE or RECALL for the file handling screens.When the FDS-388 is powered up t

21Default ScreenThe current program number is shown in the top left corner of the screen. Theprogram number is displayed with double size digits until

22Default Utility Screen6.0 Default Utility ScreenQuick Reference1 Press the parameter wheel to move between utilities.2 Turn the parameter wheel to

23system designer. If the password is entered correctly, the middlesoft key will allow the user to enter the OEM Hide Screen. If thepassword is incorr

24Quick Reference1 To adjust the overall delay for all four bands press the topsoft key and turn the parameter wheel2 To adjust the delay for an indiv

25Selecting the top soft key allows the user to adjust the overall delay of all fouroutputs. Alongside the Main Delay value are the units used to disp

26Delay Utility Screen8.0 Delay Utility ScreenQuick Reference1 Press the parameter wheel to move between utilities.2 Turn the parameter wheel to adju

27Delay Utility ScreenNote that changing this parameter can cause delay times to shift slightly. Iftemperature correction is to be used the temperatur

28EQ ScreenQuick Reference1 Press the parameter wheel to select a filter to adjust.2 Press the top soft key and turn the parameter wheel toadjust the

29EQ ScreenAt the bottom of the screen the small arrowheads indicate the filter frequenciesin the current band. A solid arrowhead and a dotted vertica

3Quick StartQuick ReferenceQuick Start - Quick Reference1 Check the Mains Voltage setting on the rear of the FDS-388/380 Omnidrive andinstall into a r

30EQ Utility Screen10.0 EQ Utility ScreenFilter Shape Low, Bell, HighEach of the available filters in each band can be selected to be low shelving,bel

3110.1 Dynamic Filter.EQ Utility ScreenFig 10.1 Dynamic EQwith a Boost FilterFig 10.2 Dynamic EQwith a Cut FilterThe dynamic filter works in one of

32XOver Screen11.0 XOver ScreenQuick Reference1 To adjust a band gain value, press the top soft key, pressthe parameter wheel to select a band and tur

33XOver ScreenThese gain values are intended to be used for system set up, the front panelgain trim controls being used for fine tuning. The XOver scr

34XOver Utility Screen12.0 XOver Utility ScreenQuick Reference1 Press the parameter wheel to move between utilities.2 Turn the parameter wheel to adju

35XOver Utility ScreenTop Soft KeyXOver MorePressing the top soft key in the XOver Utility Screen will take the user to theXOver More screen. See next

36XOver More Screen13.0 XOver More ScreenQuick Reference1 To change a band name, press the top soft key, press theparameter wheel to select a band and

37XOver More ScreenTop Soft KeyNAMEMiddle Soft KeyEDGE SLOPEBottom Soft KeyFR/Hz (EdgeFrequency)Each band can be named from a preset selection. The li

38Store and Recall in the Default ScreenStore and Recall in the Edit Screens14.0 Store and RecallThere are two modes of operation for the STORE and RE

39Store Screen15.0 Store ScreenQuick Reference1 Change to the Default screen and press Store2 Select the Middle Soft key and turn the parameter wheelt

4Please Read This!Using This ManualPlease Read This! - Using This ManualThis manual has been written to make the understanding and operation of theFDS

40Store ScreenLocking ProgramsA second press on the STORE Key will now store the program. If a name hasnot been selected and the current file type is

4116.0 Recall ScreenPressing the RECALL button when no blue EDIT LEDs are illuminated willcause the recall screen to be displayed, with the program nu

4217.0 File Utility ScreenProgram Lock On, OffChanging this value will change the Program Lock status of the currentlyselected Internal program.File U

4318.0 PCMCIA CardPCMCIA CardCard TypesSmart Card FormatThe Smart Card socket on the front of the unit is designed to use PCMCIA2memory cards of betwe

44The different file types used by the unit have different file extensions as follows.The file sizes should be taken as approximate and may change wit

4519.0 System SecuritySystem SecurityProgram LockLock Mode19.1 Program Lock19.2 Lock Mode On19.3 OWNER LockAny changes made to an audio system have

46% Files cannot be deleted.& Limiter thresholds cannot be adjusted.The operator can still adjust any variables (except the limiter thresholds) an

47Quick Reference1 To change the OEM password press top soft key, press theparameter wheel to select letter and turn the parameterwheel to change the

48OEM Hide ScreenTop Soft KeyOEM PASSWDThe OEM password is used to prevent unauthorised access to this screen, andmust be entered in the default utils

49Absorption at 25m (dB)0123456100 1000 10000Frequency (kHz)Absorption at 25m (dB)0123456100 1000 1000010%30%50%70%100%Frequency (kHz)Relative Humidit

5ContentsContents1.0 Introduction 71.2 Other features 71.1 OMNIDRIVE TM Loudspeaker ManagementSystem 72.0 Installation 82.1 Unpacking 82.2 Mechanical

50FDS-380 Omnidrive InstallFDS-380 Controls21.0 FDS-380 Omnidrive InstallA Midi Channel Select ButtonsPressing either button will display the current

51Midi OperationPC Card OperationThe FDS-380 can be programmed either through the midi interface or byusing the PC Card:Data can be transferred betwee

52!!! CAUTION - Important Notes !!!SERVICE SECTION22.0 Service section!!! WARNING - Refer all servicing to qualified service personnel !!!Risk of elec

53!!! CAUTION - Important Notes !!!SERVICE SECTION!!! WARNING - Refer all servicing to qualified service personnel !!!Risk of electric shock if the un

54Warranty InformationThis unit is warranted by BSS Audio to the original end user purchaser againstdefects in workmanship and the materials used in i

55Appendix AMidi ImplementationFUNCTION TRANSMITTED RECOGNISED REMARKSBASIC CHANNEL Default 1-16 1-16 MemorisedChanged 1-16 1-16MODE X XNOTE NUMBER X

56A.2 Specification and Block DiagramDynamic Range Typically >105dB, Analogue Input/Output, unweighted,22Hz to 22kHzFrequency Response ±0.25dB, 15H

57Appendix B FDS-380/FDS-388 Messages“---”, ”Testing”“-1-”, ”1 second to all load”“-2-”, ”2 seconds to all load”“-3-”, ”3 seconds to all load”“BAD”, ”

58Appendix C AES3 Input and Input/Output BoardsParts SuppliedAES3 input board SC5559 (approx 83mm by 180mm).AES3 PLL board SC5560 (approx 80mm by 65m

59C.2 AES3 InputBoard OperationWith the AES3 Input board fitted the operation of the Omnidrive unit is largelyunchanged. The dynamic range of the Omn

6Contents16.0 Recall Screen 4117.0 File Utility Screen 4218.0 PCMCIA Card 4318.2 Smart Card Format 4318.1 Card Types 4319.0 System Security 4519.1 Pro

601 Remove the metal can crystal oscillator from the socket CN3 on the ana-logue input board. There may be a piece of wire holding the oscillator in;r

61DDefault Screen 13, 20Default Utility Screen 22, 23Audio In 23Backlight 22Lock Mode 23Lock mode 22Midi Chan 22MIDI DUMP 23Midi XMit 22OEM HIDE 23Pow

62IndexWidth 29EQ Screen 13, 28, 29EQ Utility Screen 30, 31Dyn Link 30Dyn Thresh 30Filter Mode 30Filter Shape 30FFDS-380 50File Allocation Table 43fil

63IndexOEM Name 47OEM Password 47OEM programs 46OEM Hide Screen 23, 47OEM PASSWD 48OEM Name. See OEM Hide; OEMHide ScreenOEM PASSWD. See OEM HideScree

64User Notes

65User Notes

66User Notes

71.0 IntroductionIntroductionThe OMNIDRIVETM system represents a radical step forward in DSP processingfor loudspeaker management, incorporating BSS’s

82.0 InstallationAs part of BSS Audio Ltd’s policy of quality control, this product is carefullychecked before packing to ensure flawless appearance a

9Refer to Section 2.6 'Installation' - AC Power and Fusing.WARNING! THIS APPLIANCE MUST BE EARTHED.IMPORTANT: The wires in the mains lead ar