VIETA VDC-48 User Manual

Loudspeaker management system

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VDC-48

Loudspeaker Management System

User Manual

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Summary of Contents for VIETA VDC-48

Page 1 VDC-48 Loudspeaker Management System User Manual...
Page 2: Important Safety Instructions
This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacture's instructions have been adhered to. VIETA VDC-48 User Manual - Page 2...
Page 3 15. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE. 16. APPARATUS SHALL NOT BE EXPOSED TO DRIPPING OR SPLASHING AND NO OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHALL BE PLACED ON THE APPARATUS. VIETA VDC-48 User Manual - Page 3...
Page 4: Table Of Contents
5.0 Powering Up the Device ..........10 6.0 Operating the Channel Menus ........11 7.0 Operating the System Menus ........18 8.0 Quick Reference............25 9.0 PC Control Software ............ 26 10.0 Specifications............... 27 11.0 Warranty................ 29 VIETA VDC-48 User Manual - Page 4...
Page 5: Introduction
1.0 Introduction The VDC-48 is a digital loudspeaker management system designed for the touring or fixed sound installation markets. The absolute latest in available technology is utilized with 40-bit floating point processors and high performance 24-bit Analog Converters. The high-bit DSP prevents noise and distortion induced by truncation errors of the commonly used 24- bit fixed-point devices.
Page 6: Features
2-Line x 16 Character Backlit LCD Display > Full 5-segment LED’s on every Input and Output > Storage of up to 30 Preset Setups > Security Lock > Ethernet, USB and RS232 Interface for PC Control and Configuration VIETA VDC-48 User Manual - Page 6...
Page 7: Front Panel Functions
Multiple Inputs can be linked together and multiple outputs can be linked together. Inputs and Outputs are linked separately. 4. Channel Menu LED – Indicates the activated channels for data modification. VIETA VDC-48 User Manual - Page 7...
Page 8 8. Rotary Thumb Wheel – Changes parameter data values. The wheel has travel velocity sensing which ease large incremental data modifications. For modifying delay and frequency (1 Hz resolution), pressing the Speed key simultaneously will increment/decrement the data value by 100X. VIETA VDC-48 User Manual - Page 8...
Page 9: Rear Panel Functions
The device's output stage employs the balanced impedance topology. All I/O connectors have pin 1 as ground (shield), pin 2 as + and pin 3 as -. VIETA VDC-48 User Manual - Page 9...
Page 10: Powering Up The Device
VDC-48 v7.05 • The initialization process takes several seconds and during that period the unit boots and displays the device model and firmware version. • After the initialization process is finished the VDC-48 displays its main screen: VIETA VDC-48 P01* •...
Page 11: Operating The Channel Menus
Exit key to deselect all channels. Input/Output Signal LEVEL: The level (or gain) ranges from -40.00dB to +15.00dB in 0.25dB steps. Signal LEVEL:0.00dB POL: The polarity (or phase) can be normal (+) or inverted (-). Signal POL:+ VIETA VDC-48 User Manual - Page 11...
Page 12 The EQ center frequency ranges from 20Hz to 30kHz in either 1Hz steps or 1/36 octave steps. The frequency steps can be selected in the System Menu. Please refer to page 21 for more details. FREQ:1000Hz VIETA VDC-48 User Manual - Page 12...
Page 13 LEVEL: The GEQ level (or gain) ranges from -30.00dB to +15.00dB in 0.25dB steps. GEQ1 LEVEL:0.00dB BYPASS: This control will un-bypass (Off) or bypass (On) the entire GEQ for this channel. GEQ1 BYPASS:Off VIETA VDC-48 User Manual - Page 13...
Page 14 12, 24, 36 or 48 dB/octave only. XOver SLPL:24dB TYPH: The 3 available filter types for the high frequency crossover point (low pass) are: Butterworth, Linkwitz Riley or Bessel. XOver TYPH:Off VIETA VDC-48 User Manual - Page 14...
Page 15 High crossover configuration point point None FTRL Off FTRH Off Highpass FTRL not Off FTRH Off FRQL Lowpass FTRL Off FTRH not Off FRQH Bandpass FTRL not Off FTRH not Off FRQL FRQH VIETA VDC-48 User Manual - Page 15...
Page 16 The compressor ratio is the slope in which the signal is compressed. It ranges from 1:1 to 1:40. Comp RATIO: 1:1 Input/Output Channel Name NAME: A 6 characters name can be assigned to each channel. Name NAME: VIETA VDC-48 User Manual - Page 16...
Page 17 (in dB) or disable it (Off). If more than one input sources are enabled, they will be added together as the source for the current output channel. Source Source IN1:Off IN2:-14.00 VIETA VDC-48 User Manual - Page 17...
Page 18: Operating The System Menus
System Menu is activated). All System Menus require pressing the Enter key to confirm and save the settings. Preset Recall The VDC-48 has a built in non-volatile memory that can store up to 30 different preset setups. This control selects which program to recall from the non-volatile memory.
Page 19 Targets are both Inputs and Outputs, all audio parameters will be copied. When one of the Source or the Target is an input while the other is an output, only the Level, Polarity, Delay, EQ, Crossover, and Channel Name are copied. VIETA VDC-48 User Manual - Page 19...
Page 20 36 steps/octave or All Frequencies (1 Hz resolution). SYSTEM Generl FREQ MODE:All DELAY UNIT: This sets the time unit for input and output delay to ms, ft, or m. SYSTEM Generl DELAY UNIT:ms VIETA VDC-48 User Manual - Page 20...
Page 21 0. SYSTEM Comm NETWORK ID:0 Ethernet Settings The network settings are separated into 3 menus. Eth-IP: A unique IP address should be assigned to each unit in the network. SYSTEM Eth-IP :255.255.255.255 VIETA VDC-48 User Manual - Page 21...
Page 22 4 characters in this menu. OLD PW: The user is required to enter the old password first to modify the password. SYSTEM Passwd OLD PW: NEW PW: The new password desired. SYSTEM Passwd NEW PW: VIETA VDC-48 User Manual - Page 22...
Page 23 7.10 Security Lock The VDC-48 enables the user to secure the unit and prevent undesired changes in the setup. In order to lock or unlock the unit the user must enter the correct password. The user can only lock or unlock all menus using the front panel, XConsole is required to lock or unlock individual menu.
Page 24: Quick Reference
Limiter Release Time Limit RELEASE 2 / 4 / 8 / 16 / 32X Attack time 1, 2, 3, 4, 5, Source Source 0.25 6, 7, 8 Channel Name Name NAME 6 characters VIETA VDC-48 User Manual - Page 24...
Page 25: Pc Control Software
PC’s hard drive, thus expanding the storage to become virtually limitless. XConsole can be connected to the VDC-48 via RS232, USB or Ethernet. USB requires the installation of additional driver. The user is given an option to install it during the installation of XConsole, and if the user did not install it at that time, they may choose to do so by running the USB driver installer from the provided software CD.
Page 26: Specifications
Menu Controls Dial Encoder: Embedded Thumb Wheel Connectors Analog Inputs: 3-pin Female XLR Analog Outputs: 3-pin Male XLR RS-232: Female DB-9 USB: Type B Power: Standard IEC Socket General Power: 90-240 VAC (50-60Hz) VIETA VDC-48 User Manual - Page 26...
Page 27 2 to 32X the attack time System Parameters No. of Presets: Program Names: 12 character length Delay Units: ms, ft, m Frequency Modes: 36 steps/oct, 1Hz resolution Note: Specifications subject to change without notice VIETA VDC-48 User Manual - Page 27...
Page 28: Warranty
This warranty applies to the product; therefore, the remainder of the warranty period will be automatically transferred to any subsequent owner. This warranty applies only to failure of a VIETA product caused by defects in materials and workmanship during the stated warranty period.
Page 29 VDC-48 User Manual V1.1 www.vietapro.com...