Related Manuals for Kramer VA-4
Summary of Contents for Kramer VA-4
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Page 1: User Manual
K R A ME R E LE CT R O N IC S L T D . USER MANUAL MODEL: VA-4 Dual Channel Balanced Stereo Audio Amplifier P/N: 2900-000004 Rev 2A... -
Page 3: Table Of Contents
Technical Specifications Protocol 2000 Figures F igure 1: VA-4 Dual Channel Balanced Stereo Audio Amplifier Front Panel F igure 2: VA-4 Dual Channel Balanced Stereo Audio Amplifier Rear Panel F igure 3: Connecting the VA-4 Dual Channel Balanced Stereo Audio Amplifier... -
Page 4: Introduction
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 VA-4 Dual Channel Balanced Stereo Audio Amplifier, which is ideal for the following typical applications: •... -
Page 5: Getting Started
Avoid interference from neighboring electrical appliances that may adversely influence signal quality • Position your Kramer VA-4 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. -
Page 6: Recycling Kramer Products
Kramer Electronics has made arrangements with the European Advanced Recycling Network (EARN) and will cover any costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular country go to our recycling pages at http://www.kramerelectronics.com/support/recycling/. -
Page 7: Overview
Includes a bright 7-segment LED display on the front panel, showing the • current gain or attenuation setting • Stores settings in the non-volatile memory upon shut down Defining the VA-4 Dual Channel Balanced Stereo Audio Amplifier This section defines the VA-4. VA-4 - Overview... -
Page 8: F Igure 1: Va-4 Dual Channel Balanced Stereo Audio Amplifier Front Panel
Figure 1: VA-4 Dual Channel Balanced Stereo Audio Amplifier Front Panel Feature Function POWER Switch Illuminated switch supplying power to the unit - Button Press to decrease the level + Button Press to increase the level LEVEL 7-segment LED Display... -
Page 9: F Igure 2: Va-4 Dual Channel Balanced Stereo Audio Amplifier Rear Panel
Figure 2: VA-4 Dual Channel Balanced Stereo Audio Amplifier Rear Panel Feature Function CH.1 IN LEFT and RIGHT XLR Female Connectors Connects to the balanced stereo audio source 1 CH.2 IN LEFT and RIGHT XLR Female Connectors Connects to the balanced stereo audio source 2 CH.1 OUT LEFT and RIGHT XLR Male Connectors... -
Page 10: Connecting The
Connecting the VA-4 Always switch off the power to each device before connecting it to your VA-4. After connecting your VA-4, connect its power and then switch on the power to each device. To connect the VA-4 as illustrated in the example in Figure 1. -
Page 11: Connecting To The Va-4 Via Rs-232
Figure 3: Connecting the VA-4 Dual Channel Balanced Stereo Audio Amplifier Connecting to the VA-4 via RS-232 You can connect to the unit via a crossed RS-232 connection, using for example, a PC. A crossed cable or null-modem is required as shown in method A and B respectively. -
Page 12: F Igure 4: Crossed Cable Rs-232 Connection
Method A above) only requires pins 2, 3 and 5 to be connected, you are free to decide whether to connect only these 3 pins or all 9 pins. Null-Modem to PC Adapter Figure 5: Straight Cable RS-232 Connection with a Null Modem Adapter VA-4 - Connecting the VA-4... -
Page 13: Technical Specifications
10% to 90%, RHL non-condensing DIMENSIONS: 19” x 7” x 1U (W, D, H) WEIGHT: 2.5 kg. (5.5 lbs.) approx. ACCESSORIES: Power cord, Null modem adapter, Windows®-based control software OPTIONS: Specifications are subject to change without notice at http://www.kramerelectronics.com VA-4 - Technical Specifications... -
Page 14: Protocol 2000
The default data rate is 9600 baud, with no parity, 8 data bits and 1 stop bit. The first table below lists the VA-4 Hex codes for gain control (attenuation), and the second table below lists the VA-4 Hex codes for gain control (amplification). In addition, the following commands are also valid: 1. - Page 15 VA-4 Hex Codes for Gain Control (Attenuation) Gain (dB) Hex Codes Gain (dB) Hex Codes Gain (dB) Hex Codes -40.7 -166 16 81 80 81 -27.0 -110 16 81 b8 81 -13.2 16 81 f0 81 -40.4 -165 16 81 81 81 -26.7...
- Page 16 VA-4 Hex Codes for Gain Control (Amplification) Gain (dB) Hex Codes Gain (dB) Hex Codes 3f 80 81 81 16 81 a6 81 +11.0 3f 80 81 81 16 81 d3 81 +0.2 3f 80 81 81 16 81 a7 81 +11.3...
- Page 17 VA-4 - Protocol 2000...
- Page 18 For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to this user manual may be found. We welcome your questions, comments, and feedback. Web site: www.kramerelectronics.com E-mail: info@kramerel.com SAFETY WARNING...
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