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Related Manuals for BSS Audio FDS-334T
Summary of Contents for BSS Audio FDS-334T
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Page 1: Rear Panel Connections
All manuals and user guides at all-guides.com FDS-334T/336T Minidrive Manual Connect here first.. www.audiovias.com... -
Page 2: Table Of Contents
Controls Metering ..................9 Security options ....................9 User memories MIDI capability ..............9 RS-232 Port ......................9 FDS-334T/336T Minidrive Features ..............10 Rear Panel Connections ............. 1 1 Power Connections ..................1 1 About earth loops ....................1 1 Audio Connections .................... - Page 3 ................... 22 Mono mode ....................22 Channel mode (FDS-336T only) ..........23 mode (FDS-336T only) ............24 Channel mode (FDS-334T only) ..........25 Stereo Link ..................26 Step Offset ..................26 Crossover Mode ................27 Delay Units ..................27 Security Lock Outs ................
- Page 4 ....................44 Frequency ................... 45 Cut/Boost ..................... 45 Bandwidth ................... 45 Filter/EQ Assignment ................. 46 T roubleshooting ................ FDS-336T Default Configuration Settings ......... FDS-334T Default Configuration Settings ......... User Program T emplate ............. MIDI Implementation Chart ............Specifications ................Minidrive Block Diagram ............
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Page 5: Safety Information
ARTICLE A LA PLUIE A L’HUMIDITE. All FDS-334T/336T products are supplied with a detachable IEC power cable that connects to the rear panel AC connector . This cable is specified to comply with the different safety and electrical code requirements of individual countries and has a 3-pin plug. -
Page 6: W Arranty Information
All manuals and user guides at all-guides.com W arranty Information IMPORTANT When sold user Audio Audio Authorised Reseller, this unit warranted seller purchaser against defects workmanship materials used manufacture period year from date sale. Faults arising from misuse, unauthorised modifications accidents covered under... -
Page 7: Getting Started
FDS-334T/336T is ever shipped outside of a rack. Mechanical Mounting The FDS-334T/336T occupies one standard 19” rack space (1U). When mounted in an equip- ment rack that is transported, it should be supported by a shelf or other equipment to prevent flexing of the mounting ears. -
Page 8: Introduction
. The FDS-334T has two basic configurations, with up to four way Mono or a 2x2 way routing system that could be used for smaller active systems, bi-amped monitors or zoning installations. The audio signal can be processed through a selection of active crossover networks with up to 48dB slopes, with Bessel, Butterworth, Linkwitz-Riley and WHISEWORKS-NTM* filter types available. -
Page 9: Controls And Metering
RS-232 Port The rear RS-232 port can be used for connecting a PC to update the FDS-334T/336T software. Application software updates are occasionally available as PC software loader utilities that can be downloaded from the BSS website - www .bss.co.uk. -
Page 10: Fds-334T/336T Minidrive Features
All manuals and user guides at all-guides.com Introduction FDS-334T/336T Minidrive Features • Active crossover filters with up to 52dB/Octave slopes to divide the audio spectrum into separate passbands for each transducer . Up to six Outputs (336T) or four Outputs (334T) - Page 11 The earth terminal of the IEC plug is required by wiring codes and regulations. It must always be connected to the electrical installation safety earth. The FDS-334T/336T has carefully designed internal earthing plus balanced Inputs and Outputs to eliminate the possibility of earth loops (hum). About earth...
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Page 12: Audio Connections
Panel Connections Audio Connections The FDS-334T/336T has two balanced Inputs and either six (336T) or four (334T) balanced Outputs that can accommodate both balanced and unbalanced signals. Note: Because the FDS-334T/336T outputs can be programmed for any passband, caution must be taken when connecting the outputs to the amplifiers. -
Page 13: Unbalanced Wiring
(i.e. 2-connector shielded) cable. The interconnecting cable should have the shield earthed to pin 1 at the FDS-334T/336T output, the output ‘cold’ should be connected to the unbalanced input (0V) ground, and the output ‘hot’ should be connected to the unbalanced live input. -
Page 14: Front Panel Interface
All manuals and user guides at all-guides.com Front Panel Interface FDS-336T Front Panel FDS-334T Front Panel What’s screen? All the programming for the Minidrive is presented through a clear 2x16 character LCD screen with adjustable contrast. V isually it acts as a window into a large grid of adjustable parameters that moves from row to row and column to column. -
Page 15: Navigation Control
All manuals and user guides at all-guides.com Front Panel Navigation Control Navigation Control Navipad left display screen there four rocker selector switch. This enables navigation through the various screens and to both select a parameter to adjust (up/down) and to fine adjust the value >). -
Page 16: Store/Enter And Recall
There are six output level trim controls on the FDS-336T and four on the FDS-334T . These knobs perform a dual function; as rotary controls they trim the channel output level and if pressed, they activate the edit mode for that particular Output channel. -
Page 17: Led Input Bargraphs
All manuals and user guides at all-guides.com Front Panel Metering Input Bargraphs The Input bargraphs respond to the peak input signal and also indicate digital clipping. These show the input level, i.e. +3dB, +6dB, +12dB over 0dBu (+20dBu=Maximum input), while -3dB and SIG show the level below 0dBu. -
Page 18: Operating Principles
All manuals and user guides at all-guides.com Operating Principles Editable Parameters There are three basic editing modes; Input, Output and Utilities, all selectable directly from the front panel. Input mode Enables all the editable parameters that affect the Input signal, namely delay and equalisation. Input A+B(sum) can be selected from the front panel for editing. -
Page 19: Quick Start
A password will be needed to regain access to change these parameters. Unmute the Outputs on the FDS-334T/336T , one at a time - muted is the default setting. A lit red LED on an Output mute button signifies that the output is muted. -
Page 20: Screen Explanations
All manuals and user guides at all-guides.com Screen Explanations This section covers the various screens that are displayed when in particular modes of operation on the Minidrive. These include Utilities, Input and Output modes. Programs Program Storing Pressing STORE/ A Program can be stored in any one of the 60 available memory locations. ENTER displays either up/ Store... -
Page 21: Program Recall
All manuals and user guides at all-guides.com Programs Program Recall RECALL screen, the key indicates that the Program is locked. Pressing RECALL will enter recall mode with last used Program screen. up/down keys rotary encoder select Program recall. Only Programs that have already... -
Page 22: Utilities
Crossover frequencies are set to a selected range across the audio band. • Delay linking defaults to off. • Stereo Linking is unavailable. • Band Names will be changed to ‘Band 1’ through ‘Band 6’, (‘Band 4’ for the FDS-334T). www.audiovias.com... -
Page 23: Channel Way Mode (Fds-336T Only)
All manuals and user guides at all-guides.com Utilities Configuration Channel mode (FDS-336T only) • Outputs 1,3 and 5 are routed from Input A. • Input B. Outputs routed from • All delay linking defaults to off. • Stereo Link will be switched on. •... -
Page 24: Lcr 2 Way Mode (Fds-336T Only)
All manuals and user guides at all-guides.com Utilities Configuration mode (FDS-336T only) When using a derived centre cluster feed such as in LCR (Left, Centre, Right) installation, the configuration can be changed to a 3 channel 2 way configuration, where the center channel is a sum of A and B. -
Page 25: Channel Way Mode (Fds-334T Only)
All manuals and user guides at all-guides.com Utilities Configuration Channel mode (FDS-334T only) This is a standard stereo 2 way configuration. • Outputs & routed from input A. • Outputs & routed from input B. • All delay linking defaults to off. -
Page 26: Stereo Link
All manuals and user guides at all-guides.com Utilities Stereo Link Stereo Link This parameter adjusts the stereo linking of various Input and Output parameters and works in conjunction with the Configuration setting. This parameter is also stored as part of the Program data. -
Page 27: Crossover Mode
All manuals and user guides at all-guides.com Utilities Crossover Mode Crossover Mode This Utility allows the crossover slopes of the associated bands linked together ease setting. example, when ‘Both’ mode changing the frequency of the Hi slope output channel ‘low’ band will also... -
Page 28: Security Lock Outs
All manuals and user guides at all-guides.com Utilities Security Lock Outs Security Settings There three levels security unit, Lock Out, Lock Owner Lock. These used to protect the parameters or Programs from being inadvertently changed or tampered with by unqualified or unauthorised users. Lock This most... -
Page 29: Lock Set Up Mode
All manuals and user guides at all-guides.com Utilities Security Lock Outs Lock mode A further press of either the Up or Down navipad key enters the Lock set up mode. Once Lock setup mode possible navigate around Input Output screens normal but with these important differences: •... -
Page 30: Confirming The Lock Selection
All manuals and user guides at all-guides.com Utilities Security Lock Outs Confirming Lock selection When desired parameters locked, confirm lock process with the STORE/ ENTER key , (as indicated when first entering this mode). The unit now returns to the password screen with the current password displayed. -
Page 31: Contrast
All manuals and user guides at all-guides.com Utilities Contrast Contrast The < and > parameter keys or rotary control increase/decrease the display contrast and viewing angle of the LCD . A graphical indication of the parameter changing is displayed by a rotating line symbol. -
Page 32: Midi Operation
THRU, PORT) This mode sets the type of information the FDS-334T/336T transmits on its MIDI out socket, and is dependent on the use of the FDS-334T/336T in the system. The possible selections are: No MIDI messages, except systems exclusive dumps, are transmitted. -
Page 33: Midi Dump
Dump screen A MIDI sysex message is now sent out that prompts the receiving unit that an incoming MIDI dump will occur . A receiving FDS-334T/FDS-336T unit should display a message asking to allow an incoming dump. the < don’t... -
Page 34: Inputs
All manuals and user guides at all-guides.com Inputs Mode Input Mode sections: Input Input B and Input (A+B). There three input Delay added Inputs stereo linked A&B only delay available directly A+B. Input Delay when Mono mode Input Delay input only Delay value... -
Page 35: Outputs
All manuals and user guides at all-guides.com Outputs There are six output sections on a FDS-336T ; Output through Output four FDS- 334T . The Output parameter screens are accessed by pushing the Output trim knob on the front panel next Output channel... -
Page 36: Source
All manuals and user guides at all-guides.com Outputs Source Source Stereo Linked Output & source & Choose which Input or combination of Inputs supplies the Output channel. options are: Input Input Inputs denoted Input When Stereo Linked in 2 channel 3 way mode, the selection is normally Inputs A & B. Outputs Gain Gain... -
Page 37: Limiter
All manuals and user guides at all-guides.com Outputs Limiter Limiter Each Output channel dedicated stage limiter that threshold anywhere between -10 to +20dBu. There are two primary uses for the limiters: One is for prevention of amplifier clipping and the second is to limit the amount of power transmitted to the transducers. -
Page 38: Delay
All manuals and user guides at all-guides.com Outputs Delay Delay Output channel Delay adjustable from 635ms 21µs steps. time there more than 635ms delay Input Output path. The < > navipad keys select delay time values 21µs steps whilst rotary encoder used select... - Page 39 All manuals and user guides at all-guides.com Outputs Delay Linking When using Delay Linking, it is recommended that the adjustment order is: Driver alignment within cabinets Cabinet alignment within clusters Delay Alignment between clusters. channel W ay way , default settings include Delay Linking as well as Stereo Linking.
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Page 40: Crossover Shapes And Frequencies
All manuals and user guides at all-guides.com Outputs Crossover Shapes Frequencies The FDS-334T/336T allows full control over each high and low pass filter of a crossover seg- ment in shape, slope and frequency . Graphically these parameters are labelled as below . Filter Edge... -
Page 41: Low Edge Filter Type
All manuals and user guides at all-guides.com Outputs Crossover Shapes Frequencies edge filter type Output 5 low edge type The low edge filter type can be selected from Bessel 12, 24dB/Octave or Butterworth 6, 12, 18, 24 or 48dB/Octave, Linkwitz-Riley 12, 24 and 48dB/Octave or NTM 36 and 52dB/Octave. The options are displayed as: BUT 6, BUT 18,... - Page 42 All manuals and user guides at all-guides.com Outputs Crossover Shapes Frequencies 5.0000 Butterworth & 48dB/Octave Slopes. -5.000 -10.00 -15.00 -20.00 -25.00 -30.00 -35.00 -40.00 -45.00 -50.00 5.0000 Bessel 24dB/Octave Slopes. -5.000 -10.00 -15.00 -20.00 -25.00 -30.00 -35.00 -40.00 -45.00 -50.00 www.audiovias.com...
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Page 43: Low Edge Filter Frequency
All manuals and user guides at all-guides.com edge filter frequency This control adjusts the cut off frequency of the selected Low Frequency (high pass) crossover . The range is from 15Hz to 16kHz in approximately 1/6 Octave steps with ‘Out’ at the bottom end and ‘Off’... -
Page 44: Assignable Eq
All manuals and user guides at all-guides.com Inputs/Outputs Assignable Assignable Multiple EQs can be assigned to individual Input and Output channels. the Up there currently selected channel (and there filters available), button will step into unused Bell with 1kHz frequency , cut/boost width 0.3. -
Page 45: Eq Frequency
All manuals and user guides at all-guides.com Inputs/Outputs Assignable 20.000 12dB/Octave Shelving graph 15.000 10.000 5.0000 -5.000 -10.00 -15.00 -20.00 Frequency Frequency adjustable from 15Hz 16kHz approximately Octave steps. The screen above shows that this is the first EQ on Output 5 (labelled as ‘High’). It has a Frequency 1kHz. -
Page 46: Dsp Filter/Eq Assignment
All manuals and user guides at all-guides.com Filter/EQ Assignment The crossover filters and EQs share DSP resources between two DSP chips. There certain assignment constraints, the table below summarizes how the resources are allocated. Assignment table: ?ed `e d!" ?ed` e d# & ?ed `e d! "... -
Page 47: T Roubleshooting
All manuals and user guides at all-guides.com T roubleshooting Where output gone? have signal source assigned Output, have output, check that pass filter frequency parameter been ‘Out’. this been adjusted upward beyond 16kHz, the output will be switched off. both Input ‘Clip’... - Page 48 The maximum combined delay from Input to Output is 635ms. What does “W arning, more filters” mean? Even with the flexibility and full feature set of the FDS-334T/336T , you could run DSP resources some stage, some cases might “W arning, More Filters?”...
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Page 49: Fds-336T Default Configuration Settings
All manuals and user guides at all-guides.com FDS-336T Default Configuration Settings =?>? CdUbU_\Y^[Y^WTUVQe\dcd_?66 ¢ ¡ ¤ £ ¥ £ § ¦ © ¨ " & ¢ ¢ ¡... -
Page 50: Fds-334T Default Configuration Settings
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Page 51: User Program T Emplate
All manuals and user guides at all-guides.com User Program T emplate 9^ `e d@QbQ] UdUbc 9^ `e d1 9^` ed 2 9^ `e d1 2 4U \Q i 5A ! D i`U 6bUa eU^ S i 7Q Y^ 2 Q^ TgYTdX 5A "... - Page 52 All manuals and user guides at all-guides.com User Program T emplate 9^ `e d@QbQ] UdUbc 9^ `e d1 9^` ed 2 9^ `e d1 2 4U \Q i 5A ! D i`U 6bUa eU^ S i 7Q Y^ 2 Q^ TgYTdX 5A "...
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Page 53: Midi Implementation Chart
All manuals and user guides at all-guides.com MIDI Implementation Chart Y es 6E>3D9?> DB1>C=9DD54 B53?7>9C54 B5=1B;C 21C93 381>>5< 4UVQe\d ! !& ! !& =U]_bYcUT 3XQ^WUT ! !& ! !& =?45 >?D5 >E=25B F5<?39DI 16D5B D ?E38 @9D38 25>45B 3?>DB?< 381>75 @B?7B1= 381>75 D beU >e]RUb ! &... -
Page 54: Specifications
All manuals and user guides at all-guides.com Specifications Inputs: 2 channels Maximum level +20dBu, 10k impedance, Pin 2 +, electronically balanced. Outputs: 6 channels (FDS-336T), 4 Channels (FDS-334T) Maximum level +20dBu, into impedance Pin 2 +, electronically balanced. Output Impedance:... -
Page 55: Minidrive Block Diagram
All manuals and user guides at all-guides.com FDS-336T Minidrive Block Diagram www.audiovias.com... - Page 56 All manuals and user guides at all-guides.com www.audiovias.com...
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