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KRAMER ELECTRONICS LTD.
USER MANUAL
MODEL:
905xl
Power
P/N: 2900-300196 Rev 3
Amplifier
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Contents
1 Introduction 1
2 Getting Started 2
2.1 Achieving the Best Performance 2
2.2 Safety Instructions 2
2.3 Recycling Kramer Products 3
3 Overview 4
4 Defining the 905xl Power Amplifier 5
5 Installing in a Rack 6
6 Connecting the 905xl Power Amplifier 7
6.1 Connecting to the 905xl via RS-232 8
7 Operating the 905xl Power Amplifier 9
7.1 Using the Front Panel Buttons 9
7.2 Using the Audio Control Program 9
7.3 Upgrading the Firmware 11
8 Technical Specifications 12
9 Default Communication Parameters 13
10 Protocol 3000 14
10.1 Kramer Protocol 3000 Syntax 14
10.2 Kramer Protocol 3000 Commands 16
Figures
Figure 1: 905xl Power Amplifier Front and Rear Panels 5
Figure 2: Connecting the 905xl Power Amplifier
Figure 3: Audio Control Window
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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 video, audio, presentation, and broadcasting professionals
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 groups that are clearly defined
by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;
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 and GROUP 11:
Sierra Video Products.
Congratulations on purchasing your Kramer 905xl Power Amplifier, which is ideal
for the following typical applications:
• Presentation rooms and multimedia applications for quick, local audio
amplification
• Personal audio listening (for example, a PC and portable CD player)
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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
Go to http://www.kramerelectronics.com to check for up-to-date
user manuals, application programs, and to check if firmware
upgrades are available (where appropriate).
2.1 Achieving the Best Performance
To achieve the best performance:
• Use only good quality connection cables (we recommend Kramer high-
performance, high-resolution cables) to avoid interference, deterioration in
signal quality due to poor matching, and elevated noise levels (often
associated with low quality cables)
• Do not secure the cables in tight bundles or roll the slack into tight coils
• Avoid interference from neighboring electrical appliances that may adversely
influence signal quality
• Position your 905xl away from moisture, excessive sunlight and dust
This equipment is to be used only inside a building. It may only be
connected to other equipment that is installed inside a building
2.2 Safety Instructions
Caution: There are no operator serviceable parts inside the unit
Warning: Use only the power cord that is supplied with the unit
Warning:
Warning:
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Do not open the unit. High voltages can cause
electrical shock! Servicing by qualified personnel only
Disconnect the power and unplug the unit from the wall
before installing
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