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Summary of Contents for Knox Video MediaFlex Series
- Page 1 MediaFlex Series Modular Audio/Video Distribution System Operation and Technical Manual KNOX VIDEO TECHNOLOGIES 8547 Grovemont Circle Gaithersburg, MD 20877 TEL 301•840•5805 FAX 301•840•2946 www.knoxvideo.com...
- Page 2 MediaFlex Series Modular Audio/Video Distribution System Operation and Technical Manual May, 2005 KNOX VIDEO TECHNOLOGIES 8547 Grovemont Circle Gaithersburg, MD 20877 TEL 301•840•5805 FAX 301•840•2946 www.knoxvideo.com...
- Page 3 Warnings, Cautions and Others Mises en garde, precautions et indications diverses CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK) NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage”...
- Page 4 For U.S.A. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
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Page 5: Table Of Contents
2.7 RS232 Connections ....... . 5 2.8 Using the Knox MediaFlex Series Setup Program ..6 Section 3. -
Page 6: Section 1. General Information
IF SERVICE IS REQUIRED: The MediaFlex Series uses a single chip microprocessor with battery-backed If the product does not perform as warranted, call Knox Video Technologies memory to drive a set of monolithic digital latching crosspoint decoders. at 301-840-5805 for available service options. - Page 7 4.1 INTRODUCTION Output Impedance: 75 ohms Signal, H&V: 0-5 vdc, TTL compatible The MediaFlex Series uses passive air flow (convection) to keep its chassis- Input Impedance: 510 ohms mounted power supply within a comfortable operating temperature range. No maintenance of the cooling system is required.
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Page 8: Section 2. Installation
3.6 USING THE DOORBELL OPTION 2.1 INTRODUCTION The Mediaflex Series can be fitted with an optional sound generator which can simulate certain doorbell and alarm tones. When the Doorbell contact is closed, the sound generator This section provides the information required for installation of the MediaFlex is substituted at line level for audio input #16. -
Page 9: Video Connections
KNOX VIDEO KNOX VIDEO MediaFlex Series Audio/Video Distribution System MediaFlex Series Audio/Video Distribution System Note: mode 0 requires only the first string of commands, mode 1 requires 2.4 VIDEO CONNECTIONS both strings of commands separated by a colon, and mode 2 requires both... -
Page 10: Optional) Vga Connections
3.5 CONTROL VIA THE CONTACT CLOSURES 2.6 (OPTIONAL) VGA CONNECTIONS The MediaFlex Series provides for 8 regular contact closures and one optional Connect up to eight VGA SOURCES to the DB15HD connectors labeled VGA Doorbell contact closure, accessible from the rear panel DB25 connector. Allowable Inputs. -
Page 11: Using The Knox Mediaflex Series Setup Program
$Txxyy set treble $Bxxyy set bass The Setup program runs under DOS. Be sure the MediaFlex Series is con- $Sxxyy set balance nected to a working COM port designated either COM1 or COM2. From the DOS prompt start the HD16.EXE program by typing mediaflex, a space, and the port... -
Page 12: Section 3. Operation
Jxxss,Jrr, JB, JE Scan ss=sec, rr=range B=begin, E=end STANDBY. In STANDBY the displays will be off, but the crosspoint connections are held as long as power is being received by the MediaFlex Series. If power is KxyCMD1,CMD2:CMD3,CMD4:ss set contact closure commands clear contact closure commands to defaults lost, the previous crosspoint conditions will return after power is restored. - Page 13 KNOX VIDEO KNOX VIDEO MediaFlex Series Audio/Video Distribution System MediaFlex Series Audio/Video Distribution System 3.4.7 ADDITIONAL RS232 COMMANDS ROUTING VIDEO, AUDIO, and VGA: Note the ZONE LOCK light—if it is on, it means a zone has been pre-selected (usually the local zone).
- Page 14 KNOX VIDEO KNOX VIDEO MediaFlex Series Audio/Video Distribution System MediaFlex Series Audio/Video Distribution System THE ROTARY KNOB: The rotary knob is used to control volume, tone, and Additional sound control commands: balance, and to display the crosspoint connections on the LCD panel next to it.
- Page 15 KNOX VIDEO KNOX VIDEO MediaFlex Series Audio/Video Distribution System MediaFlex Series Audio/Video Distribution System FUNCTION: The Function button is used to call up additional features from 3.4.6 CONTROLLING THE SOUND the front panel. There are three standard features available through the Function...
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Page 16: Control Via The Rs232 Port
Certain other in the form: commands are used only for setup. The MediaFlex Series will echo all ASCII characters and acknowledge completed valid letter commands with the word Rx or Rxx, where xx is a number from 1-16 DONE. -
Page 17: Routing Audio And Video
KNOX VIDEO KNOX VIDEO MediaFlex Series Audio/Video Distribution System MediaFlex Series Audio/Video Distribution System (optional) To route VGA, send a four-byte command in the form: 3.4.2 ROUTING AUDIO AND VIDEO Ixy(ENTER) or Ixxyy(ENTER), To route both audio and video from the same source, send a four-byte com-...
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