
Contents
1 Introduction 1
2 Getting Started 2
2.1 Achieving the Best Performance 2
3 Overview 3
3.1 Defining EDID 3
4 Defining the 840Hxl Pattern Generator 4
5 Connecting the 840Hxl 6
5.1 Connecting a PC 7
6 Operating the 840Hxl Pattern Generator 8
6.1 Operating the 840Hxl Using the Front Panel Buttons 9
6.2 Operating the 840Hxl Using the Control Application 10
7 Technical Specifications 19
8 Default Communication Parameters 20
9 Serial Protocol 21
9.1 Command Format 21
9.2 Device Response 21
9.3 Commands 22
Figures
Figure 1: 840Hxl Pattern Generator Front Panel 4
Figure 2: 840Hxl Pattern Generator Rear Panel 5
Figure 3: Connecting the 840Hxl Pattern Generator 6
Figure 4: Found New Hardware Wizard Window 11
Figure 5: File Location Selection Window 11
Figure 6: Insert Disk Window 12
Figure 7: Connection Method Window 13
Figure 8: Connection Error Message 14
Figure 9: Controller Software Main Window 14
Figure 10: User Defined Resolution Window 16
Figure 11: User Defined Resolution Advanced Window 17
Figure 12: User Defined Resolution Advanced Window–Detailed Timing Descriptor Tab 18
840Hxl – Contents i

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 groups that are clearly defined
by function: 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 and
GROUP 11: Sierra Products.
Congratulations on purchasing your Kramer MultiTOOLS
®
840Hxl Pattern
Generator, which is ideal for the following typical applications:
• As a diagnostic tool in AV setups
• Testing and adjusting flat panel LCD displays, projectors, plasmas and
HDMI cables
840Hxl - Introduction 1

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 cables
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 to avoid interference, deterioration
in signal quality due to poor matching, and elevated noise levels (often
associated with low quality cables)
• Avoid interference from neighboring electrical appliances that may adversely
influence signal quality
• Position your Kramer 840Hxl Pattern Generator away from moisture,
excessive sunlight and dust
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).
Caution: No operator serviceable parts inside the unit
Warning:
Warning:
2 840Hxl - Getting Started
Use only the Kramer Electronics input power wall
adapter that is provided with the unit
Disconnect the power and unplug the unit from the
wall before installing