Kramer 906 Manuale utente

Kramer Electronics, Ltd.

Preliminary

USER MANUAL

Model:

906

6.6W Per Channel Stereo Audio Amplifier

Contents

1Introduction 1

2Getting Started 1

2.1 Quick Start 2

3Overview 3

4Your 906 Amplifier 4

5Connecting the 906 Amplifier 5

5.1 Connect the 10V CONTROL Port to an External Controller 6

5.2 Connecting a PC 7

5.3 Connecting the 906 via the Ethernet Port 7

6Operating the 906 9

6.1 Using the Front Panel Buttons 9

6.2 Using Serial Commands 9

6.3 Using the Embedded Web Server 9

6.4 Using the RC-IR3 Infrared Remote Controller 14

6.5 Updating the 906 Firmware 14

7Default Communication Parameters 14

8Technical Specifications 15

9906 Commands in Protocol 3000 16

9.1 Operating Commands 16

9.2 Help Commands 16

9.3 Device Initiated Messages 16

9.4 Result and Error Codes 16

9.5 Basic Routing Commands 17

9.6 Audio Parameter Commands 17

9.7 Identification Commands 18

9.8 Network Setting Commands 19

9.9 Machine Information Commands 19

9.10 Protocol 3000 Syntax 20

9.10.1 Host Message Format 20

9.10.1.1 Simple Command 20

9.10.1.2 Command String 20

9.10.1.3 Device Message Format 20

9.10.1.4 Device Long Response 20

9.10.2 Command Terms 21

9.10.3 Entering Commands 21

9.10.4 Command Forms 22

9.10.5 Command Chaining 22

9.10.6 Maximum String Length 22

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Contents

Figures

Figure 1: 906 Amplifier 4

Figure 2: Connecting the 906 Audio Amplifier 6

Figure 3: Connecting the 10V CONTROL Terminal Block Connector 6

Figure 4: Connecting to a PC 7

Figure 5: Local Area Properties Window 8

Figure 6: Internet Protocol (TCP/IP) Properties Window 8

Figure 7: Java Test Page Success Message 10

Figure 8: Entering the IP Number in the Address Bar 10

Figure 9: Loading the Embedded Web Server 11

Figure 10: First Time Security Warning 11

Figure 11: The 906 Control Window 12

Figure 12: Control Settings 13

Figure 13: Ethernet Settings 13

Tables

Table 1: 906 Amplifier Functions 4

Table 2: Default Communication Parameters 14

Table 3: 906 Technical Specifications 15

Introduction

1 Introduction

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been

providing a world of unique, creative, and affordable solutions to the vast

range of problems that confront the video, audio, presentation, and

broadcasting professional on a daily basis. In recent years, we have

redesigned and upgraded most of our line, making the best even better!

Our 1,000-plus different models now appear in 11 groups1

Thank you for purchasing the Kramer MegaTOOLS®906 6.6W Per

Channel Stereo Audio Amplifier, which is ideal for:

that are clearly

defined by function.

•Presentation rooms and multimedia applications for quick, local

audio amplification

•Personal audio listening (for example, a PC and portable CD

player)

The package includes the following items:

•906 6.6W Per Channel Stereo Audio Amplifier

•Kramer RC-IR3 Infrared Remote Control Transmitter (including

the required battery and a separate user manual)

•Power supply (12V DC)

•This user manual2

2 Getting Started

We recommend that you:

•Unpack the equipment carefully and save the original box and

packaging materials for possible future shipment

•Review the contents of this user manual

•Use Kramer high performance high resolution cables3

1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems;

GROUP 4: Format/Standards Converters; GROUP 5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products;

GROUP 7: Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity;

GROUP 10: Accessories and Rack Adapters; GROUP 11: Sierra Products

2 Download up-to-date Kramer user manuals from our Web site at http://www.kramerelectronics.com

3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Getting Started

2.1 Quick Start

This quick start chart summarizes the basic setup and operation steps.

Overview

3 Overview

The Kramer 906 is a high-performance audio amplifier for line-level stereo

audio signals. It accepts either a stereo audio signal on RCA connectors or a

balanced stereo audio signal on a terminal block connector. It delivers a speaker

output of 6.6W RMS per channel into 8Ωloads on a 4-pin terminal block

connector. The 906 features:

•Two input selector buttons and a mute button

•One gain knob for adjusting the audio output levels for loudness, bass,

middle, treble, balance and the volume

•A USB connector for firmware upgrade

•RS-232 and Ethernet ports

•A 10V control port for adjusting the audio gain via an external connector1

The 906 can be controlled:

•Directly, via the front panel push buttons and adjustment knob

•Via an external 10V controller (for volume)

•By RS-232 serial commands transmitted by a touch screen system, PC, or

other serial controller

•Via the Ethernet using the embedded Web server

•Remotely, from the infrared remote control transmitter

The 906 is housed in a Kramer MegaTOOLS™ enclosure and is fed by a 12V

DC power supply.

To achieve the best performance:

•Use only good quality connection cables2

•Avoid interference from neighboring electrical appliances that may

adversely influence signal quality and position your Kramer 906 away

from moisture, excessive sunlight and dust

to avoid interference,

deterioration in signal quality due to poor matching, and elevated noise

levels (often associated with low quality cables).

1 For example, the Kramer RC-63A

2 Available from Kramer Electronics on our Web site at http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your 906 Amplifier

4 Your 906 Amplifier

Figure 1 and Table 1 define the 906.

Figure 1: 906 Amplifier

Table 1: 906 Amplifier Functions

Feature

Function

1 INPUT 1 L RCA Connector Connect to the left unbalanced stereo analog audio source 1

2 INPUT 1 R RCA Connector Connect to the right unbalanced stereo analog audio source 1

3 INPUT 2 Terminal Block Connector Connect to the balanced stereo audio source 2

4 OUT Terminal Block Connector Connect to a balanced stereo acceptor (speakers)

5 10V VOL Terminal Block Connector Connect to a controller1

to adjust the volume via the controller

RS-232 Tx Rx G Terminal Block

Connector

Control connector for RS-232

7 ETHERNET Port Connects to your LAN

FACTORY RESET Button Press to reset to the factory default state

9 PROGRAM Switch For factory use only

10 12V DC Connector +12V DC for powering the unit

11 IR IN Receiver Accepts IR remote commands

12 ON LED Illuminates green when receiving power, flashes when

receiving IR commands

13 MUTE Button Press to disable/enable the audio output. The button

illuminates when the audio output is disabled

14 INPUT SELECTOR Buttons 1 Press to select the input 1 audio source

15 2Press to select the input 2 audio source

16 LOUDNESS Adjustment Button Press to select the loudness adjustment, adjust with the Level

Knob

17 BASS Adjustment Button Press to select the bass adjustment, adjust with the Level Knob

1 For example, the Kramer RC-63A

2 Local Area Network (that is, computers sharing a common communications line or wireless link, which often share a server

within a defined geographic area)

Connecting the 906 Amplifier

Feature

Function

18 MID Adjustment Button Press to select the mid range adjustment, adjust with the Level

Knob

19 TREBLE Adjustment Button Press to select the treble adjustment, adjust with the Level Knob

20 BALANCE Adjustment Button Press to

select the balance between right and left speakers, adjust

with the Level Knob

21 VOLUME Adjustment Button Press to select the volume adjustment, adjust with the Level Knob.

Press and hold to disable local volume control and enable remote

volume control. Press and hold again to activate local volume

control (see section 6.1)

22 Adjustment Potentiometer Knob Turn to raise or lower the selected audio feature

23 PROGRAM USB Connector For factory use only

5 Connecting the 906 Amplifier

To connect the 906, as illustrated in the example in Figure 2, do the

following:

1. Connect an unbalanced stereo audio source (for example, the unbalanced

stereo audio output of a DVD player) to the L and R INPUT 1 RCA

connectors.

2. Connect a balanced stereo audio source (for example, the balanced stereo

audio output of a DVD player) to the INPUT 2 terminal block connector.

3. Connect the OUTPUT terminal block to a pair of loudspeakers:

Connect the “L+” and the “L-” terminal block connectors to the left

loudspeaker, and the “R+” and the “R-” terminal block connectors to the

right loudspeaker. Do not ground the loudspeakers.

4. Connect the 12V DC power adapter to the power socket and connect the

adapter to the mains electricity (not shown in Figure 2).

5. If required connect:

The 10V CONTROL terminal block connector to an external

controller15.1

(see section )

The RS-232 port to a PC and/or serial controller (see section 5.2)

The Ethernet port to a PC or a network hub or router (see section

5.3)

1 For example, the Kramer RC-63A

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Connecting the 906 Amplifier

Figure 2: Connecting the 906 Audio Amplifier

5.1 Connect the 10V CONTROL Port to an External Controller

You can connect the 906 10V CONTROL terminal block connector to a

controller (for example, the Kramer RC-63A) as illustrated in Figure 3:

Figure 3: Connecting the 10V CONTROL Terminal Block Connector

Connecting the 906 Amplifier

5.2 Connecting a PC

You can connect a PC (or other controller) to the 906 via the RS-232

terminal block connector.

To connect a PC to a 906 unit, connect the RS-232 terminal block connector

on the 906 unit to the RS-232 9-pin D-sub port on your PC, see Figure 4

Figure 4: Connecting to a PC

5.3 Connecting the 906 via the Ethernet Port

To connect the 906 via the Ethernet port, do the following:

•When connecting to the Ethernet port on a network hub or network

router, use a straight-through cable with RJ-45 connectors

•When connecting to the Ethernet port of a PC, use a crossover

cable with RJ-45 connectors

If you are connecting the 906 directly to your computer (not through the

network) you may need to reconfigure the PC network settings.

To reconfigure the PC network settings:

1. Navigate to Start > Settings > Network Connections.

2. Click on the appropriate Local Area Connection.

3. Right-click the Local Area Connection and click Properties.

The Local Area Properties Window appears:

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