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KR AMER  ELECTRON ICS LT D. 

USER MANUAL

 

 

MODEL: 

VM-5ARII 

Video Audio Distribution 
Amplifier

 

VM-20ARII 

1:20 Programmable Video 
Audio Distributor

 

 

 

P/N: 2900-300148 Rev 1 

Summary of Contents for VM-20ARII

Page 1: ...KRAMER ELECTRONICS LTD USER MANUAL MODEL VM 5ARII Video Audio Distribution Amplifier VM 20ARII 1 20 Programmable Video Audio Distributor P N 2900 300148 Rev 1 ...

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Page 3: ... Distribution Amplifiers 11 6 1 Connecting the VM 5ARII Video Audio Distribution Amplifier 11 6 2 Connecting the VM 20ARII Video Audio Distributor 12 7 Technical Specifications 15 Figures Figure 1 VM 5ARII Video Audio Distribution Amplifier Front and Rear Panels 6 Figure 2 VM 20ARII 1 20 Programmable Video Audio Distributor Front Panel 7 Figure 3 VM 20ARII 1 20 Programmable Video Audio Distributor...

Page 4: ...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 yo...

Page 5: ...tronics 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 interfere...

Page 6: ...ically the VM 5ARII features High bandwidth 360MHz 3dB 1 composite video input and 5 outputs on BNC connectors 1 unbalanced stereo input and 5 outputs on RCA connectors Looping input Selectable input signal termination Video level and equalization and audio level controls Video AC DC coupling detection Standard 19 1U rack mount size 3 2 The VM 20ARII 1 20 Programmable Video Audio Distributor The V...

Page 7: ...deo input and 20 outputs on BNC connectors 1 unbalanced stereo input and 20 outputs on RCA connectors Looped input capability Grouped audio level control Selectable input signal termination Audio level and video level and equalization controls Video AC DC coupling selection Standard 19 2U rack mount size ...

Page 8: ... VM 5ARII and VM 20ARII 5 4 Defining the VM 5ARII and VM 20ARII This section defines your VM 5ARII Video Audio Distribution Amplifier see Figure 1 VM 20ARII 1 20 Programmable Video Audio Distributor see Figure 2 Figure 3 and Figure 4 ...

Page 9: ...6 VIDEO GAIN Control Adjusts the video gain level 7 VIDEO EQ Control Adjusts the cable compensation equalization level 8 VIDEO OUT BNC Connectors Connects to the video acceptor from 1 to 5 9 AUDIO IN RCA Connectors L and R Connects to the L and R channels of the audio source 10 AUDIO LOOP RCA Connectors L and R Connects to an audio acceptor 11 AUDIO GAIN R Controls the volume on the right audio ch...

Page 10: ... 2x1 5 AUDIO Operating Mode Switches Programming switches for audio mode of operation as follows 1 20 Splits input 1 to all 20 outputs 2x1 10 Splits input 1 to outputs 1 10 and input 3 to outputs 11 20 4x1 5 Splits four inputs to four consecutive sets of five outputs each 1 10 2x1 5 Splits input 1 to outputs 1 10 input 3 to outputs 11 15 and input 4 to outputs 16 20 6 1 20 2x1 10 4x1 5 1 10 2x1 5 ...

Page 11: ...eo sources and input loops 8 AUDIO IN L and R 1 4 RCA Connectors Connect to the L and R channels of the audio source 9 AUDIO OUT L and R 1 20 RCA Connectors Connect to the audio acceptors from 1 to 20 10 VIDEO OUTPUTS 1 20 BNC Connectors Connect to the video acceptors from 1 to 20 11 Power Connector with Fuse AC connector for supplying power to the unit 8 VM 5ARII VM 20ARII Defining the VM 5ARII a...

Page 12: ...g the VM 5ARII and VM 20ARII 9 Figure 4 VM 20ARII Underside Switches Feature Function 12 TERM 75Ω Switches IN1 IN4 Select 75Ω for termination up or HI Z for looping down 13 AC DC Switches IN1 IN4 Select DC up or AC down coupling ...

Page 13: ... 5ARII VM 20ARII Installing in a Rack 5 Installing in a Rack This section provides instructions for rack mounting the units Note The VM 20ARII is a 2U unit and has rack ears with 5 mounting holes and screws ...

Page 14: ...posite video player to the VIDEO INPUT BNC connector 2 Connect the input audio source for example the audio from a composite video player to the AUDIO IN RCA connectors noting the right and left channels 3 Connect the VIDEO OUT 1 to 5 BNC connectors to up to 5 acceptors for example composite video recorders You are not required to connect two acceptors 4 Connect the AUDIO OUT 1 to 5 RCA connectors...

Page 15: ...ng the VM 20ARII Video Audio Distributor To connect the VM 20ARII as shown in the example in Figure 6 do the following 1 Connect up to 4 input video sources for example composite video players to the VIDEO INPUTS 1 to 4 BNC connectors 2 Connect up to 4 input audio sources for example the audio from the video players to the AUDIO INPUTS RCA connectors 1 to 4 noting the right and left channels ...

Page 16: ...utton to 75Ω 6 Connect the power cord to the unit not shown in the illustration and then to the mains electricity Switch on the power Use the power cord supplied with the unit 7 If needed adjust the VIDEO GAIN or EQ controls or the AUDIO GAIN on the front panel 8 Set the mode of operation by pressing one of the operating mode control switches one set for audio and one set for video as follows Pres...

Page 17: ...14 VM 5ARII VM 20ARII Connecting the Distribution Amplifiers Figure 6 Connecting the VM 20ARII ...

Page 18: ...Hz AUDIO BANDWIDTH 3dB 60kHz DIFF GAIN 0 03 DIFF PHASE 0 06Deg K FACTOR 0 05 VIDEO S N RATIO 76dB AUDIO S N RATIO 85dB AUDIO THD 0 021 1V 1kHz CONTROL Video gain 1 to 1 8dB audio gain 40 to 6dB EQ 0 to 2 5dB audio 0 2 to 6dB COUPLING DC AC selectable video AC audio OPERATING TEMPERATURE 0 to 55 C 32 to 131 F STORAGE TEMPERATURE 45 to 72 C 49 to 162 F HUMIDITY 10 to 90 RHL non condensing POWER SOUR...

Page 19: ...N 0 06 DIFF PHASE 0 08Deg VIDEO S N RATIO 76dB AUDIO S N RATIO 80dB VIDEO CONTROL 1 2 1 7dB level 0 2 4dB EQ AUDIO CONTROL 0 3 6 2dB VIDEO COUPLING DC AC user selectable AUDIO COUPLING AC input DC output AUDIO THD NOISE 0 02 2nd HARMONIC 0 002 OPERATING TEMPERATURE 0 to 55 C 32 to 131 F STORAGE TEMPERATURE 45 to 72 C 49 to 162 F HUMIDITY 10 to 90 RHL non condensing POWER SOURCE Universal switching...

Page 20: ...VM 5ARII VM 20ARII Technical Specifications 17 ...

Page 21: ...tributors 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 Disconnect the unit from the power supply before opening and servicing ...

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