Crestron C2VEQ-4 Comment utiliser

Crestron C2VEQ-4

Volume/Equalizer Control Expansion Card

Operations & Installation Guide

This document was prepared and written by the Technical Documentation department at:

Crestron Electronics, Inc.

15 Volvo Drive

Rockleigh, NJ 07647

1-888-CRESTRON

All brand names, product names and trademarks are the property of their respective owners.

Crestron C2VEQ-4 Volume/Equalizer Control Expansion Card

Contents

Volume/Equalizer Control Expansion Card: C2VEQ-4 1

Introduction ...............................................................................................................................1

Features and Functions................................................................................................1

Specifications ..............................................................................................................3

Physical Description....................................................................................................3

Industry Compliance ...................................................................................................5

Installation and Hookup............................................................................................................. 5

Installation................................................................................................................... 5

Hookup........................................................................................................................6

Programming Software.............................................................................................................. 7

Digital Audio Tools.....................................................................................................7

Programming with SIMPL Windows.......................................................................... 8

Problem Solving ...................................................................................................................... 19

Troubleshooting ........................................................................................................19

Further Inquiries........................................................................................................19

Future Updates ..........................................................................................................19

Return and Warranty Policies.................................................................................................. 20

Merchandise Returns / Repair Service ......................................................................20

CRESTRON Limited Warranty ................................................................................20

Operations & Installation Guide - DOC. 6136 Contents •i

Crestron C2VEQ-4 Volume/Equalizer Control Expansion Card

Volume/Equalizer Control

Expansion Card: C2VEQ-4

Introduction

Features and Functions

The Crestron®C2VEQ-4 Volume/Equalizer Control expansion card is a digitally

controlled 4-channel audio processor that provides volume/tone, mixer and

equalization capabilities for the Crestron PRO2, PAC2, RACK2, or AV2 (with card

cage) 2-Series control systems. The C2VEQ-4 fits in any of the 2-Series control

system’s 40 Mb/s high-speed communications Y-bus slots.

Each channel of the C2VEQ-4 has independent settings for volume, treble, bass,

mute, and mixer controls plus a 12-band parametric equalizer.

Functional Summary

• Four balanced/unbalanced audio I/O channels

• 24-bit 96KHz A/D and D/A converters with dual DSPs provide improved

audio quality

• Independent settings for volume, treble, bass, and mute per channel

• 4 x 4 matrix mixer controls set the percentage of each input desired at each

output

• Five modes of audio equalization per channel

- a ten-band graphic equalizer and two-band parametric equalizer

- a five-band graphic equalizer and seven-band parametric equalizer

- a speech-optimized five-band graphic equalizer and seven-band

parametric equalizer

- a three-band graphic equalizer and nine-band parametric equalizer

- a full twelve-band parametric equalizer

Volume, bass, and treble ramp times, scaling, preset levels, and volume muting may

be specified on a per-channel basis. All of these aspects are software controllable.

Volume, bass, and treble control may be sent to more than one channel via software

to support stereo applications.

Input and output connections are completely independent of each other. Therefore, it

is possible to have a balanced input paired with an unbalanced output and vice-versa.

Operations & Installation Guide - DOC. 6136 Volume/Equalizer Control Expansion Card: C2VEQ-4 •1

Volume/Equalizer Control Expansion Card Crestron C2VEQ-4

The treble and bass controls are independent from volume and are individually

controlled for each channel. Each channel includes a muting relay. When the signal

driving Mute1 goes high, the muting circuit is activated providing <-100dBV output

level from any volume level. Likewise, channels “2,” “3,”and “4” drive Mute2,

Mute3, and Mute4, respectively. When the muting signal goes low, the muting

circuit is deactivated and the volume and tone return to their original preset levels.

NOTE: MuteAll is an override. All channels are muted when this signal is high.

When it is low, the channels follow the state of Mute1, Mute2, Mute3, and Mute4.

Each of the four channels has a twelve-filter parametric equalizer that permits you to

correct for acoustical distortions in the listening area or in the speakers themselves,

and/or to establish preset values that enhance the sound conditions for favorite music

or recording media.

The 12 filters are identical in function. Each delivers up to 12dB of boost or cut

when using DAT software; from -36dB to +24dB in a SIMPL program. Each filter

also has an adjustable bandwidth control (from .02 octaves to 2 octaves), and a

center frequency control range from 10 Hz to 20 KHz. Use each filter anywhere in

the audio spectrum, not just pre-selected ranges as typically found on graphic

equalizers. In addition, you can select from among five filter types (low pass, high

pass, EQ filter, bass shelf, and treble shelf) or select no filter.

Each channel is equipped with protective relays that turn ON only after safe

conditions are sustained by the electronic circuitry. This feature protects the output

from “pops” caused by accidental power-down/power-up conditions to the

C2VEQ-4.

C2VEQ-4 Simplified Block Diagram

4 Input

4 Output

Mixer

12 Band

Volume &

Tone Control

Volume &

Tone Control

Volume &

Tone Control

Volume &

Tone Control

Ch 1

Ch 2

Ch 3

Ch 4

Ch 1

Ch 2

Ch 3

Ch 4

Line-Level

Audio Input

(Balanced or

Unbalanced)

Line-Level

Audio Output

(Balanced or

Unbalanced)

A/D

D/A

12 Band

Mute

Relay

D/A

Mute

Relay

Mute

Relay

Mute

Relay

2 •Volume/Equalizer Control Expansion Card: C2VEQ-4 Operations & Installation Guide - DOC. 6136

Crestron C2VEQ-4 Volume/Equalizer Control Expansion Card

Specifications

The following table provides specifications for the C2VEQ-4.

C2VEQ-4 Specifications

SPECIFICATION DETAILS

Power Requirements 8.0 Watts

Control System Update Files 1, 2

2-Series Control System Update File

Version 3.083.CUZ or later

Input Channels (labeled 1 – 4) Two 5-pin mini-connectors: two channels plus ground

per connector.

Output Channels (labeled 1 – 4) Two 5-pin mini-connectors: two channels plus ground

per connector.

Volume (per channel) -80dB to +20dB, 0.5dB control step [balanced I/O]

Mute (per channel) > -100dB

Tone (per channel) Bass gain range ±15dB

Bass step size 0.5dB

Treble gain range ±15dB

Treble step size 0.5dB

Frequency response ±0.1dB 20-22kHz

±0.5dB 10Hz-30kHz

Total harmonic distortion (THD)

+ Noise

<0.008% @1kHz

20 to 22kHz A-weighted

S/N ratio >97dB balanced, >95dB unbalanced,

20 to 22kHz A-weighted

Crosstalk > -90dB 20Hz-22kHz

Common mode rejection > 90dB 20Hz-22kHz

Input level (max.) 4Vrms balanced, 2Vrms single-ended

Input impedance 10K ohms balanced, 5K ohm single ended

Output level 4Vrms balanced, 2Vrms single-ended

Output impedance 200 ohms balanced, 100 ohms single-ended

Environmental temperature 32° to 122°F (0° to 50°C)

Humidity 10% to 90% RH (non-condensing)

Dimensions Height: 0.98 in (2.49 cm)

Width: 5.00 in (12.70 cm)

Depth: 6.77 in (17.20 cm)

Weight 3.75 oz (0.105 kg)

1 Crestron 2-Series control systems include the AV2 with CAGE2, PAC2, PRO2, and RACK2.

2 Filenames for 2-Series control system update files have a CUZ extension and can be obtained from

the Downloads | Software Updates section of the Crestron website (www.crestron.com). Refer to

note after this footnote.

NOTE: Crestron software and any files on the website are for Authorized Crestron

dealers and Crestron Authorized Independent Programmers (CAIP) only. New users

may be required to register to obtain access to certain areas of the site (including the

FTP site).

Physical Description

The C2VEQ-4 is a circuit board fastened to an aluminum faceplate. The card is

manufactured to easily fit in an unoccupied Y-bus slot of a Crestron 2-Series control

system.

Operations & Installation Guide - DOC. 6136 Volume/Equalizer Control Expansion Card: C2VEQ-4 •3

Volume/Equalizer Control Expansion Card Crestron C2VEQ-4

Four mini connectors provide the interface to four channels of balanced/unbalanced

audio input (IN 1-4) and four channels of balanced/unbalanced audio output (OUT

1-4). Connect the balanced/unbalanced input (IN) ports to the audio output of any

A/V equipment that needs volume, treble, bass, mixer, and/or equalization control;

connect the balanced/unbalanced output (OUT) ports to an amplifier. Each channel

includes a muting relay.

Refer to the following illustrations for a detailed view.

C2VEQ-4 Faceplate

C2VEQ-4: Top, Side & Front Views

6.77 in.

(17.20 cm)

6.59 in.

(16.73 cm)

0.98 in

(2.49 cm)

5.00 in.

(12.70 cm)

NOTE: These diagrams are for illustration purposes only and do not show the exact

location of components on the circuit board.

4 •Volume/Equalizer Control Expansion Card: C2VEQ-4 Operations & Installation Guide - DOC. 6136

Crestron C2VEQ-4 Volume/Equalizer Control Expansion Card

Industry Compliance

As of the date of manufacture, the C2VEQ-4 has been tested and found to comply

with specifications for CE marking and standards per EMC and

Radiocommunications Compliance Labelling (N11785).

NOTE: This device complies with part 15 of the FCC rules. Operation is subject to

the following two conditions: (1) this device may not cause harmful interference,

and (2) this device must accept any interference received, including interference that

may cause undesired operation.

Installation and Hookup

The C2VEQ-4 cards are designed for installation into a dedicated expansion slot on

a 2-Series control system.

The only tools required for installation are a Phillips screwdriver, a grounding strap,

and a grounded workstation.

CAUTION: The C2VEQ-4 and control system contain electro-static discharge

(ESD) sensitive devices. Perform the following procedure while wearing a

grounding strap that is properly grounded and on a grounded workstation to avoid

damaging the C2VEQ-4 and/or the control system.

CAUTION: To prevent stripping of screw heads, threads, or mounting holes, DO

NOT over tighten screws. Tighten only to the specification listed in the individual

step(s).

NOTE: If the C2VEQ-4 is being installed in an AV2, the optional CAGE2 must be

installed before continuing below. For instructions on installing the CAGE2 into an

AV2 control system, refer to the latest revision of the CAGE2 3-Card Expansion

Cage for AV2 Installation Guide (Doc. 5964).

Installation

Follow the instructions below to install the C2VEQ-4 into a 2-Series control system.

1. Disconnect power from the control system.

2. Remove the two screws and blank faceplate from the desired slot in the

control system using a Phillips screwdriver.

3. Align the C2VEQ-4 with the card guides in the open slot and slide the

expansion card into the slot.

4. Firmly press both ends of the C2VEQ-4 faceplate to seat the expansion

card in the control system connector.

5. Hand-tighten the thumbscrews to secure the C2VEQ-4 in position.

6. Reapply power to the control system.

Operations & Installation Guide - DOC. 6136 Volume/Equalizer Control Expansion Card: C2VEQ-4 •5

Volume/Equalizer Control Expansion Card Crestron C2VEQ-4

Hookup

Four balanced/unbalanced inputs are provided for audio input, utilizing five-position

mini-connectors. Audio inputs may be balanced using (+) and (-) inputs, or

unbalanced using (+) input for signal and connecting (-) input to (G) and signal

source ground.

Four balanced/unbalanced outputs are provided, also utilizing five-position mini-

connectors.

NOTE: An unbalanced input may use a balanced or unbalanced output. Likewise, a

balanced input may use a balanced or unbalanced output.

For connection details, refer to the following diagrams.

Typical Balanced/Unbalanced Inputs and Outputs

INPUTS OUTPUTS

NOTE: Using the unbalanced configuration for the audio output reduces the total

audio gain by 6dB.

6 •Volume/Equalizer Control Expansion Card: C2VEQ-4 Operations & Installation Guide - DOC. 6136

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