BSS Audio TCS 80X User Manual
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BSS Audio TCS 80X User Manual

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Summary of Contents for BSS Audio TCS 80X

  • Page 1 TCS 80X User Manual...
  • Page 2 V3.0 31 October 1996 This equipment has been tested and found to comply with the following European Standards for Electromagnetic Compatibility: Emission Specification: EN55013 (1990) (Associated equipment) Immunity Specification: EN50082/1 (1992) (RF Immunity, Fast Transients and ESD) Mains Disturbance: EN61000/3/2 (1995) For continued compliance ensure that all input and output cables are wired with cable screen connected to Pin 1 of the XLR.

  • Page 3: Table Of Contents

    Contents Contents The TCS-80X Series. What is special about BSS Delays? 6 Earthing Requirements Unpacking Mechanical Installation Mains Power Connection Input Connections XLR Plugs. Output Connections XLR Plugs Control Connections 10.0 Powering Up 10.1 Default Settings and Display 10.2 Error Message Display 10.3 Mode Setting (TCS-804 only) 11.0...
  • Page 4 Contents 15.0 Midi Implementation 16.0 Chassis/0v Link Removal 17.0 BSS Temperature Probe 19.0 Extended Memory 19.0 Transient Suppressor Replacement 37 20.0 Option Transformers 21.0 Specifications 22.0 Warranty Information Index User Notes Spare Parts Information...

  • Page 5: The Tcs-80X Series

    The TCS-80X Series. The TCS-803 and TCS-804 form a series of multitap time correction units that offer you the very best from todays' affordable digital technology. Utilising advanced BSS proprietary conversion techniques they have exceptional headroom, phase linearity and low level resolution that will not weaken a conventional high quality analogue signal processing chain.

  • Page 6: What Is Special About Bss Delays

    BSS Delays What is special about BSS Delays? Some of the features available within the series are: • Stereo operation with two outputs per channel accurately linked, or dual mono one-in/two-out. • Mono one-in/four-out on the TCS-804. Mono one-in/three-out on the TCS- 803.

  • Page 7: Earthing Requirements

    Earthing Requirements Unpacking Earthing Requirements WARNING! THIS APPLIANCE MUST BE EARTHED. IMPORTANT: The wires in the mains lead are colour coded in accordance with the following code. Green and Yellow..Earth Blue..Neutral Brown..Live As the colours of the wires in the mains lead may not correspond with the markings identifying the terminals in your plug, proceed as follows.
  • Page 8 Getting to know the TCS-803 Fig 4.1 TCS-803 Front Panel Fig 4.2 TCS-803 Rear Panel...
  • Page 9 All numbers in bubbles refer to Section numbers.
  • Page 10 Getting to know the TCS-804 Fig 4.3 TCS-804 Front Panel Fig 4.4 TCS-804 Rear Panel...
  • Page 11 All numbers in bubbles refer to Section numbers.

  • Page 12: Mechanical Installation

    Installation Mechanical Installation A vertical rack space of 1U (1¾" / 10½mm) deep is required. Adequate ventilation must be provided for by allowing sufficient room around the sides and rear of the unit for the circulation of air (See Figure 5.1). If the TCS-80X are likely to undergo extreme vibration through extensive road trucking and touring, it is advisable to support the unit(s) at the rear and/or sides to lessen the stress on the front mounting flange.

  • Page 13: Mains Power Connection

    Connecting to Power Mains Power Connection Voltage: The TCS-80X operate on voltages specifies in the earthing requirements section (Refer to section 3). If the unit(s) are accidentally connected to an AC supply giving in excess of 132V AC, refer to section 19, (See Figure 6.1).

  • Page 14: Input Connections

    Input Connections Input Connections 7.1 XLR Plugs. The input signals are 10k ohm active balanced on a standard 3 pin 'female' XLR which will accept levels up to +20dBv, and can drive into loads of 600ohms or greater. The wiring convention is as follows: (See Figure 7.1): Pin 1: No connection (the shield of the drain wire can be terminated here if desired).

  • Page 15: Output Connections

    Output Connections Control Connections Output Connections 8.1 XLR Plugs The four signal outputs are DC blocked low impedance unbalanced from a standard 3 pin male XLR and are designed to drive up to +20dBv into 600 ohms or greater. The wiring convention is as follows: Pin 1: Connects to shield, screen or drain wire.

  • Page 16: Powering Up

    Powering Up 10.0 Powering Up When the TCS-80X is switched on, by operating the power on-off switch located on the rear panel, the internal circuitry carries out a series of routine diagnostic tests. The display will show a series of numbers which will advise: •...

  • Page 17: Error Message Display

    10.2 Error Message Should the unit detect bad data internally, on a control interface, or an incompatible mode setting, an error message number will be displayed to Display show there is a problem. Any other indicated errors will require the unit to be referred to an authorised service centre for repair.

  • Page 18: Parameter Selection

    Parameter Selection 11.0 Parameter Selection This section deals with selection of the various modes of operation as well as the adjustment of delay times and signal path gain structure. Where a feature is common to both the TCS-803 and TCS-804, the selection and adjustment is identical.

  • Page 19: Bypass

    11.1 Bypass The bypass function or IN/OUT provides a switch toggle for cancellation of all delay times. For complete cancellation of all electronic stages and level settings, the output relay option needs to be specified. The bypass is then a complete input/output wired link.

  • Page 20: Adjust Input And Output Level Tcs-804

    Parameter Selection 11.4 Adjust Input Input headroom and output level adjustment is essential for the correct operation of the unit to maximise dynamic range and trim individual output and Output Level gains. The section for TCS-803 should be read if more detail is required, but TCS-804 remember that for the TCS-804 all adjustment is performed digitally, rather than with analogue control knobs.

  • Page 21: Output Mutes

    To Adjust Output Levels At any time when in the LEVEL mode, a delay button can be selected to allow trimming of output gain. The adjacent LED will stop flashing and remain on, to indicate selection. The display will change to show the input to output through gain, in dB, for the output selected.

  • Page 22: Program Store And Recall

    Parameter Selection The output selected will now be muted. On releasing the control knob and returning to level display, the mute mode will be indicated by “pause” lines to the left hand side of the display. Press and turn. 11.6 Program There are 12 program memories available for storing different front panel settings.

  • Page 23: Control Lockout

    For speed and convenience, the PROGRAM mode can be accessed at any time by pressing either the ‘store’ or ‘recall’ buttons. The display will change to show a flashing current program number, but the store or recall function will not be activated unless the switch is pressed a second time. Once the button is pressed twice, the current settings are stored or the program is recalled, and the display will return to normal.

  • Page 24: Utility

    Parameter Selection 11.8 Utility The utility menu is selected by pressing the UNITS button and holding for approximately 2 seconds. Access will then be given toMIDI channel number selection, ambient temperature setting and master/slave transmit mode. MIDI Channel Select The display changes to show the current MIDI channel number. Turn the knob to select channel or address number;...
  • Page 25 The control knob increments in one degree steps and the range of temperature adjustment available extends from -19 C to +44 C. If there are a number of TCS-80X units within an installation, then rather than have a temperature probe fitted to each, it is possible to transfer the temperature data from one master probe to all other units by utilising the MIDI interface.

  • Page 26: Master/Slave Operation

    Master/Slave Operation 12.0 Master/Slave Operation By using the MIDI control interface it is possible to interconnect a number of TCS-803 and TCS-804 units so that one unit takes on a MASTER function while other selected ones assume a SLAVE function. In addition there are three different modes of operation to choose from determining what data is to be transferred.

  • Page 27: Linking (Tcs-804 Only)

    Linking (804 Only) 13.0 Linking (TCS-804 Only) 13.1 Stereo Pairs Selecting DUAL CHANNEL mode in a unit gives the possiblility to link together the delay times on each left/right group to facilitate maintaining a stable stereo image as the overall delay time offset is adjusted. Note that Delay 1 and Delay 2 form the first left/right group, whilst Delay 3 and Delay 4 form the second left/right group.

  • Page 28: Relative Delay, Mono Mode

    Linking (804 Only) 13.2 Relative Relative delay is a display and adjustment mode that allows the assigning of either of the four outputs as a reference such that all other outputs will be Delay, Mono mode linked to it, and dragged when the reference is moved. The relative delay between reference and a chosen other output is also displayed.

  • Page 29: Relative Delay, Dual Chan Mode

    In the relative display mode both positive and negative delays are indicated to show the true displacement. It is quite likely that you will want to select the units to display and adjust in distance, rather than time, so that the setting up is much more intuitive to what you are measuring.
  • Page 30 Linking (804 Only) Exit relative mode: and select delay 4: If the other reference output has been chosen as delay 2, rather than delay 3, then the above description of operation is still identical but with delay outputs 1 and 2 as reference pulling delays 3 and 4 with them. The indicators will confirm this action.

  • Page 31: Applications

    Applications 14.0 Applications In any large public auditorium it is necessary to arrange the loudspeaker 14.1 Time system in clusters which are distributed around the arena to help obtain a Correction for more uniform distribution of sound level. Audience For any given position within the arena a listener will be hearing a combination of both the direct sound from the stage, and that from the nearest Distances distributed cluster.
  • Page 32 Applications A very powerful method utilising delays with a multiple loudspeaker system is to integrate the delay into the crossover such that one multitap delay will provide all the facilities for one channel of a sound system. The BSS FDS-360 Electronic Crossover has built into it a special interface which will allow interconnect of either the TCS-803 or the TCS-804 (See Figure 17.2).
  • Page 33 Fig 14.3 FDS-360 to TCS-80X Wiring...

  • Page 34: Midi Implementation

    Midi Implementation 15.0 Midi Implementation Both the TCS-803 and the TCS-804 can be controlled externally via the MIDI control interface. All the relevant parameters are accessible where applicable. However, both input headroom and output gain are not available for the TCS-803 model. NOTES X=No O=Yes...

  • Page 35: Chassis/0V Link Removal

    Midi Implementation Chassis/0v Link Removal Receive Notes: The Delay LSB must precede the MSB. If Delay LSB is not received then it is assumed to be 0. Increment may be used to obtain resolution down to 10us. The Stereo mode flag checks for the correct setting of the mono/stereo switch and produces an error message if there is a conflict.

  • Page 36: Bss Temperature Probe

    BSS Temperature Probe 17.0 BSS Temperature Probe TCS-804: To enable the temperature corrected delay time feature of the TCS- 80X series to be automatically implemented, there is an external temperature measuring probe available as an additional option. It is supplied mounted into an standard 3 pin XLR connector and comes complete with an XLR to RTS jack convertor.

  • Page 37: Extended Memory

    Transient Suppressor Replacement Extended Memory 18.0 Transient Suppressor Replacement The primary of the mains transformer within the TCS-80X is protected against high voltage spike interference by two voltage dependent resistors. These provide a short circuit to voltage peaks in excess of their maximum rating. Should the TCS-80X be inadvertently connected to 3 phase line/line voltages, or to 240V when selected to 120V, or any other incorrect voltage, these suppressors are likely to fail in a protective short circuit mode.

  • Page 38: Option Transformers

    Option Transformers 20.0 Option Transformers Provision is made internally for transformers to be fitted to the electronically balanced inputs if required. Refer to the spare parts information sheet at the rear of this manual for details on required parts. You will need one transformer for each channel.

  • Page 39: Specifications

    Specifications 21.0 Specifications Input section: 10k ohm electronically balanced, +2-dBu maximum input level via XLR 3-31 or equivalent. Output section: Electronically balanced and floating, capable of driving +20dBu into 600ohms or greater via XLR 3-32 or equivalent. System Performance Conversion method: Dynamic floating window PCM. Frequency Response: ±0.5dB, 20Hz to 20kHz.
  • Page 40 Specifications Display Input Headroom: 7 step linear showing 0dB to +20dB. Parameters: 4 digit plus unit/status LEDs. Power AC 50VA, 50-60Hz, 120v/240v selectable externally. Pluggable IED power cord. Dimensions/Weight Dimensions: 482 x 44 x 228mm 19 x 1.75 x 9". Weight: 4.5kg net.

  • Page 41: Warranty Information

    22.0 Warranty Information This unit is warranted by BSS Audio to the original end user purchaser against defects in workmanship and the materials used in its manufacture for a period of one year from the date of shipment to the end user.

  • Page 42: Index

    Index Transmit Program Index Transmit Slave Applications Memory Audience Distances Extended Speaker Driver Placement MIDI Mode Setting (804) Bypass Output Level Chassis/0v Link Removal Output Mutes Connections Control Input Output Parameter Selection Power Connection Power Fusing Powering Up Delay Time Program Display Recall...

  • Page 43: User Notes

    User Notes...
  • Page 44 User Notes...
  • Page 45 User Notes...
  • Page 46 User Notes...

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