42ConnectionBasic connectionImportant:• When connecting an external recording device, use an optional USB cable to connect it to the COPY1 port on the rear or tothe COPY2 port on the front of the recorder.• Transmission loss of video signals from the cameras connected to the VIDEO IN 1-8 connectors (VIDEO IN 5-8 connectorsare available only when an optional board is installed) can be compensated by selecting a proper value for the cable com-pensation setting (Comp.).S: Suitable when the total cable length between the camera and the recorder is shorter than 500 mM: Suitable when the total cable length between the camera and the recorder is 500 – 900 mL: Suitable when the total cable length between the camera and the recorder is 900 – 1 200 m• Use 5C-2V cable to connect between the recorder and the camera.• Select a proper value for the cable compensation setting (Comp.) according to the actual length of the cable in use.Otherwise, images from the camera will not be displayed/recorded correctly.• Audio signal from a microphone should be supplied to the recorder after amplifying to line level (–10 dBv, 51 kΩ) by anamplifier.Combination cameras (VIDEO IN 1 - 4) System cameras (VIDEO IN 5 - 16) MicrophonesVideo monitorAmplifierERRORALARMTIMEROPERATEHDD123456SEQUENCESETUP COPYSEARCHESCSETMULTISCREENALARMRESET159132 3 46 7 810/0 11 1214 15 16Digital Disk Recorder WJ-RT416+–SKIPFWDREVSTOP PLAY PAUSE REC REC STOPExternal recording deviceconnected to the COPY1(rear) or COPY2 port (front)Connect the cables fromthe microphone amplifier tothe AUDIO IN connectors.Connect the videomonitor to themonitor 1 connector.