Kramer Electronics, Ltd.
Contents Contents 1 2 3 3.1 3.2 3.3 3.4 3.5 4 4.1 4.2 4.
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 groups 1 that are clearly defined by function.
Kramer Mechanical Switchers 3 Kramer Mechanical Switchers This user manual describes the following Kramer mechanical switchers: • VS-44AV, 4x4 Video Audio Matrix (see section 3.1) • VS-81AV, 8x1 Video/Audio-Stereo Switcher (see section 3.2) • VS-81AYC, 8x1 s-Video/Audio-Stereo Switcher (see section 3.3) • VS-81V, 8x1 Video Switcher (see section 3.4) • VS-81X, 8x1 Balanced Audio Switcher (see section 3.5) 3.
Kramer Mechanical Switchers Table 2: VS-44AV Technical Specifications INPUTS: 4 video, 1Vpp/75Ω on BNC connectors 4 audio stereo, 1Vpp nominal on RCA connectors OUTPUTS: SWITCHING SYSTEM: 4 video, 1Vpp/75Ω on BNC connectors 4 audio stereo, 1Vpp nominal on RCA connectors Mechanical, break-before-make CROSSPOINTS: 16 for video, 16x2 for audio, 4 active at any given time CROSSTALK: BANDWIDTH (-3dB): SIGNAL LEVELS: DIMENSIONS: WEIGHT: -42dB @5MHz 220MHz (video), 100kHz (audio) Up to 3Vpp video, 36Vpp aud
Kramer Mechanical Switchers Table 3: VS-81AV Functions # 1 Feature INPUT Selector Buttons Function Select the video/audio source (from 1 to 8) to route to the output 2 VIDEO OUT BNC connector Connects to the video acceptor 3 AUDIO OUT RCA connectors Connect to the left and right audio acceptor 4 VIDEO input BNC connectors Connect to the video sources (from 1 to 8) 5 AUDIO input RCA connectors Connect to the left and right audio sources (from 1 to 8) Table 4: VS-81AV Technical Specifications I
Kramer Mechanical Switchers Figure 3: VS-81AYC 8x1 s-Video/Audio-Stereo Switcher Table 5: VS-81AYC Functions # Feature 1 INPUT Selector Buttons Function Select the s-Video/audio source (from 1 to 8) to route to the output 2 s-VIDEO OUT 4-pin connector Connects to the s-VIDEO acceptor 3 AUDIO OUT RCA connectors Connect to the left and right audio acceptor 4 s-VIDEO input 4-pin connector Connect to the s-VIDEO sources (from 1 to 8) 5 AUDIO input RCA connectors Connect to the left and right audio
Kramer Mechanical Switchers Figure 4 and Table 7 define the VS-81V, 8x1 Video Switcher. Table 8 gives the technical specifications for the VS-81V.
Kramer Mechanical Switchers 3.5 Your VS-81X 8x1 Balanced Audio Switcher The Kramer VS-81X, 8x1 Balanced Audio Switcher is a high quality mechanical 8x1 switcher for mono balanced audio using XLR connectors. The VS-81X is designed for applications requiring a compact desktop unit for routing audio signals. High quality switching components provide excellent isolation between inputs.
Connecting Kramer Mechanical Switchers 4 Connecting Kramer Mechanical Switchers This section gives examples of how to connect Kramer mechanical switchers. • To connect a mechanical video switcher, see the example in section 4.1 • To connect a mechanical audio switcher, see the example in section 4.2 • To connect a mechanical audio/video switcher, see the example in section 4.3 4.1 Connecting a VS-81V 8x1 Video Switcher To connect your VS-81V 8x1 Video Switcher, as the example in Figure 6 illustrates: 1.
Connecting Kramer Mechanical Switchers 4.2 Connecting a VS-81X Balanced Audio Switcher To connect your VS-81X Balanced Audio Switcher, as the example in Figure 7 illustrates: 1. Connect up to 8 balanced audio sources to the 8 XLR input connectors. 2. Connect the XLR OUTPUT connector to the audio acceptor. Pushing a front panel INPUT selector button routes that balanced audio source to the balanced audio acceptor.
Connecting Kramer Mechanical Switchers 4.3 Connecting a VS-81AV 8x1 Video/Audio-Stereo Switcher To connect your VS-81AV 8x1 Video/Audio-Stereo Switcher, as the example in Figure 8 illustrates: 1. Connect up to 8 composite video sources to the VIDEO IN BNC connectors. 2. Connect up to 8 audio sources to the AUDIO IN RCA connectors making sure that the audio and video inputs match (that is, from Player 1, connect the video to VIDEO IN 1 and the audio to AUDIO IN 1, and so on.) 3.
LIMITED WARRANTY Kramer Electronics (hereafter Kramer) warrants this product free from defects in material and workmanship under the following terms. HOW LONG IS THE WARRANTY Labor and parts are warranted for seven years from the date of the first customer purchase. WHO IS PROTECTED? Only the first purchase customer may enforce this warranty. WHAT IS COVERED AND WHAT IS NOT COVERED Except as below, this warranty covers all defects in material or workmanship in this product.
For the latest information on our products and a list of Kramer distributors, visit our Web site: www.kramerelectronics.com where updates to this user manual may be found. We welcome your questions, comments and feedback. Safety Warning: Disconnect the unit from the power supply before opening/servicing. Caution Kramer Electronics, Ltd. Web site: www.kramerelectronics.com E-mail: info@kramerel.
