Master audio DSP306USB Manuale utente

DSP Series

DSP306USB

DSP408USB

Firmware v9.xx

Software DSPLink v9.xx

Pol. Ind. Norte - Perpinyà, 25

08226 TERRASSA (Barcelona-SPAIN)

Nov 10

User Manual

Master Audio

DSPSeries - MUS - Ver 1.1 ENG Nov 10 2

ENGLISH

Safety Instructions

1. READ THESE INSTRUCTIONS

All the safety and operating instructions should be read before the product is

operated.

2. KEEP THESE INSTRUCTIONS

The safety and operating instructions should be retained for future reference.

3. HEED ALL WARNINGS

All warnings on the product and in the operating instructions should be adhered to.

4. FOLLOW ALL INSTRUCTIONS

All operating and use of instructions should be followed.

5. DO NOT USE THIS APPARATUS NEAR WATER

Do not use the product near water. For example, near a bathtub, washbowl, kitchen

sink, or laundry tub, in a wet basement, or near a swimming pool, and the like.

6. CLEAN ONLY WITH DRY CLOTH

Unplug the unit from the wall outlet before cleaning. Do not use liquid cleaners or

aerosol cleaners. Use a damp cloth for cleaning.

7. DO NOT BLOCK ANY VENTILATION OPENINGS

Slots and openings in the cabinet back or bottom are provided for ventilation, to

ensure reliable operation of the limit and to protect it from overheating. These

openings must not be blocked or covered. The openings should never be blocked by

placing the product on a bed, sofa, rug, or similar surface. This product should never

be placed near or over a radiator or heat source. 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.

8. DO NOT INSTALL NEAR ANY HEAT SOURCES

This Product should be situated away from heat sources such as radiators, stoves, or

other products (including amplifiers) that produces heat.

9. DO NOT DEFEAT THE SAFETY PURPOSE OF THE POLARIZED OR

GROUNDING-TYPE PLUG

A Polarized plug has two blades with one wider than the other. A grounding-type plug

has two blades and a third grounding prong. The wide blade or the third prongs are

provided for your safety. If the provided plug does not fit into your outlet, consult an

electrician for replacement of the obsolete outlet.

CAUTION

RISK OF ELECTRIC SHOCK

DON’T OPEN

To reduce the risk of fire or electric shock do

not expose this equipment to rain or moisture

WARNING:

Master Audio

DSPSeries - MUS - Ver 1.1 ENG Nov 10 3

10. PROTECT THE POWER CORD FROM BEING WALKED ON OR PINCHED

PARTICULARLY AT PLUGS, CONVENIENCE RECEPTACLES, AND THE POINT

WHERE THEY EXIT FROM THE APPARATUS.

11. ONLY USE ATTACHMENTS/ ACCESSORIES SPECIFIED BY THE

MANUFACTURER.

12. UNPLUG THIS APPARATUS DURING LIGHTNING STORMS OR WHEN

UNUSED FOR LONG PERIODS OF TIME.

For added protection for this unit during a lightning storm, or when it is left unattended

and unused for long periods of time, unplug it from the wall outlet and disconnect the

antenna or cable system. This will prevent damage to the unit due to lightning and

power line surges.

13. REFER ALL SERVICING TO QUALIFIED SERVICE PERSONNEL. SERVICING

IS REQUIRED WHEN THE APPARATUS HAS BEEN DAMAGED IN ANYWAY,

SUCH AS WHEN THE POWER SUPPLY CORD OR PLUG IS DAMAGED, LIQUID

HAS BEEN SPILLED OR OBJECTS HAVE FALLEN INTO THE APPARATUS, THE

APPARATUS HAS BEEN EXPOSED TO RAIN OR MOISTURE, DOES NOT

OPERATE NORMALLY, OR HAS BEEN FROPPED.

14. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT

EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.

15. APPARATUS SHALL NOT BE EXPOSED TO DRIPPING OR SPLASHING AND

NO OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHALL BE PLACED ON

THE APPARATUS.

Master Audio

DSPSeries - MUS - Ver 1.1 ENG Nov 10 4

1.INTRODUCTION

The DSP306/408 USB is a complete 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 Analogue Converters. The high-bit DSP prevents noise and

distortion induced by truncation errors of the commonly used 24-bit fixed-point

devices. A complete set of parameters include I/O levels, delay, polarity, 8 bands of

parametric EQ per channel, 31 bands of graphic EQ per input, multiple crossover

selections and full function limiters. Precise frequency control is achieved with its 1

Hz resolution. Inputs and outputs can be routed in multiple configurations to meet any

requirements.

The DSP306/408 USB can be controlled or configured in real time on the front panel

or with the intuitive PC GUI accessed via the USB interface (or optionally Ethernet).

Software upgrade for CPU and DSP via PC keeps the device current with newly

developed algorithms and functions once available.

Multiple setup storage and system security complete this professional package.

Shipped contents:

-DSP306/408 USB unit

-AC power cord

-USB cable for PC connection

-Pen Drive (USB) with software and User Manual

Master Audio

DSPSeries - MUS - Ver 1.1 ENG Nov 10 5

2.FEATURES

-3 Inputs and 6 Outputs with flexible routing (DSP306USB)

-4 Inputs and 8 Outputs with flexible routing (DSP408USB)

-40-bit floating point DSP

-High Performance 24-bit A/D Converters

-1 Hz Frequency Resolution

-8 Parametric Equalizers for each Input and Output

-31-band Graphic Equalizer for each Input

-Multiple Crossover types with Full Function Limiters

-Precise Level, Polarity and Delay

-CPU and DSP upgrade via PC

-2-Line x 16 Character Blue Backlit LCD Display

-Full 5-segment LED’s on every Input and Output

-Storage of up to 30 Program Setups

-Security Lock

-USB Interface for PC Control and Configuration

-Ethernet interface option available

Master Audio

DSPSeries - MUS - Ver 1.1 ENG Nov 10 6

3.THE FRONT PANEL

A) USB Connector – A standard type B USB connector for interface with a PC.

Software and driver must be installed prior to usage.

B) Mute keys - Mute/Unmute input and output channels. When an input channel is

muted, they key will light up in red for indication.

The Mute keys are also used to access the program of each channel in combination

with the Menu> and <Menu keys. Holding one of the Menu keys and pressing the

Mute key of the desired channel will give access to the channel parameters, and will

be acknowledged by a green led below the mute key. Multiple channels can be linked

or unlinked to ease the programming. Inputs and outputs are linked separately.

C) Channel Menu LED – Indicates the activated channels for parameter modification

D) Peak Level LED - Indicates the current peak level of the Signal: Signal, -12dB, -

6dB, -3dB, Overload/Limit. The Input Overload LED references to the device's

maximum headroom. The Output Limit LED references to the threshold of the

limiter.

E) LCD - Shows all the necessary information to control the unit.

F) Menu Control keys - There are 6 menu keys: <Menu (Menu Down), Menu>

(Menu Up), <Select (Cursor Down), Select> (Cursor Up), Enter and Exit. The

functions of each key is explained below:

<Menu: Previous menu screen. In combination with the channel Mute key, the

specific channel Menu is displayed.

Menu>: Next menu screen. In combination with the channel Mute key, the specific

channel Menu is displayed.

<Select: Previous cursor in the menu screen

Select>: Next cursor in the menu screen

Master Audio

DSPSeries - MUS - Ver 1.1 ENG Nov 10 7

Enter: This key has three different functions depending on when it is used:

- In the System Menu is used to proceed with selected actions.

- In the Main Menu allows entering the System Menu.

- In delay and frequency adjustments (1 Hz resolution mode) modifies data values by

100X (used with thumb wheel).

Exit: Exit to the Main Menu

G) 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 Enter key simultaneously will

increment/decrement the data value by 100X.

Master Audio

DSPSeries - MUS - Ver 1.1 ENG Nov 10 8

4.THE REAR PANEL

A) Power switch - Controls power On/Off.

B) Main Fuse - T200mA-250V. Slow blow type.

C) Main Power - Connects via a standard IEC socket. A compatible power cord is

supplied with the unit. The voltage input is 90-240VAC, 50-60Hz

D) Ethernet slot – Slot to install the optional Ethernet module. With this accessory,

the unit can be connected to a router, switch or PC through CAT-5 cable.

E) XLR input and outputs - Separate 3-pin XLR connectors are provided for each

audio input and output. 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 -.

Master Audio

DSPSeries - MUS - Ver 1.1 ENG Nov 10 9

5.POWER UP

After powering up the unit, the following initialization screen is displayed on the LCD:

The initialization process takes about 8 seconds and during that period the unit boots

and displays the DSP306 or DSP408 firmware version.

After that, the DSP unit displays its main screen:

The screen shows the current program number and program name assigned to the

unit. The program assigned is always the last program the user recalled or stored

before powering down the unit. An asterisk (*) beside the program number means

that the program has been modified but not stored.

Now the DSP unit is ready to operate.

DSP306 v

MAS

TER DSP306

P01 ____________

MASTER DSP408

DSP408 v

MASTER DSP408

Master Audio

DSPSeries - MUS - Ver 1.1 ENG Nov 10 10

6.OPERATING THE DEVICE

6.1.Input Menus

To access the Input Menus, hold the <Menu or Menu> key and press the Mute key of

the desired channel. The green led below the Mute key will light up. More than one

input channel may be selected by holding the Menu key and pressing the

corresponding Mute key. Press Exit to deselect all.

The following menus are available for each input channel:

6.1.1. Signal - Signal parameters

• LEVEL - Gain, -40.00dB to +15.00dB in 0.25dB steps.

• POL - Polarity, can be normal (+) or inverted (-).

• DELAY - Delay in 11us steps. It can be displayed in ms, ft or m. The time unit of the

delay can be changed in the System menu. The maximum delay permitted is 650ms.

6.1.2.EQ - EQ parameters

• EQ# - Selects one of the 8 available Equalizers.

• BYPASS – When set On, the currently selected EQ will be bypassed.

LEVEL:0.00dB

I1:______ Signal

POL:+

I1:______ Signal

DELAY:000.000ms

I1:______ Signal

EQ#:1

I1:______ EQ1

BYPASS:Off

I1:______ EQ1

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