Rear Panel - EverFocus ELR-4 Instruction Manual

1.5 REAR PANEL

During initial setup you will be connecting your DVR to multiple input and output devices. This is done
through the rear panel.
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POWER: Plug the DC 12V power source into the power socket.
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Alarm In: Connect up to 4 alarm inputs, selectable between dry contact or TTL/CMOS signal
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polarity.
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Alarm Out: N.C or N.O type alarm signal out.
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RS485 socket: For remote control via RS-485 keyboards and telemetry control
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Audio In: Connect a microphone or camera audio output to the audio input connection
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○ ○ ○ ○ 6 Audio Out:
Connect a speaker or other audio listening devices to the audio output connection on
the back of the digital video recorder.
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Connect camera's video output or other composite video source to the video input
connection.
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Video Out: Connect a CCTV monitor to the video output connection.
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VGA: Connect a VGA monitor to the VGA output connection.
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USB 2.0: USB port allows you to archive video files to USB flash memory device or to connect
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the mouse.
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Figure 1-2 Rear Panel
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