JRV212T Owners Manual - Jensen Heavy Duty

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<strong>JRV212T</strong>CAMERA OPERATIONEnter Camera ModeConnect the cameras to the unit using the CAMERA 1-3 connection cables at the back of the unit.Press the CAM button (5) on the front control panel to access camera mode.2/11 00:10 12:04 AMCamera Control OptionsTouch the lower part of the screen to make the camera controls appear.• Touch the “CAM 1” button to view the Camera 1 video in full screen.• Touch the “CAM 2” button to view the Camera 2 video in full screen.• Touch the “CAM 3” button to view the Camera 3 video in full screen.• Touch the “AUDIO” button to turn the camera audio ON/OFF.• Touch the button on the screen or press button (10) on the control panel to selectBrightness, Contrast and Color settings. Use the +/- buttons to adjust each setting from 0-10.AUDIOCAM 1CAM 2 CAM 3Camera Connection and Camera TriggerThis unit can connect 3 cameras: CAM 1, CAM 2, and CAM 3. Each camera can be triggeredseparately and can be set in different trigger priority. There are 3 trigger wires at the back of the unit.If trigger signals are detected on more than one trigger wire, the channel that has the highest priorityis triggered first. Once a channel is triggered, the triggered channel video will be displayed on thefull screen. Only CAM 1 has audio input.Auto Mic EnableWhen the Auto Mic Enable feature is set to “Yes,” the current playback audio will be muted and themicrophone for camera 1 will be automatically turned on when the vehicle is placed in reverse gear.See “Camera Configuration” on page 10.Audio Output and Volume AdjustmentIn camera mode, if Camera 1 is not triggered, the front audio output will be the from the last audiosource played. Rotate the VOL control (1) to adjust the volume of the audio source.When Camera 1 is triggered and the Auto Mic Enable feature is on, the Camera 1 video appears onthe entire screen and the audio input from the camera is played. In this case, rotate the VOL control(1) to adjust the volume of the Camera 1 audio input. If the Auto Mic Enable option is off, no audio isavailable when Camera 1 is triggered.NOTE: The upper area of the screen is the current playback information bar area. Press thetop of the screen to remove the bar or make the bar reappear.20
<strong>JRV212T</strong>CARE AND MAINTENANCE• Keep the product dry. If it does get wet, wipe it dry immediately. Liquids might contain mineralsthat can corrode the electronic circuits.• Keep the product away from dust and dirt, which can cause premature wear of parts.• Handle the product gently and carefully. Dropping it can damage circuit boards and cases, andcan cause the product to work improperly.• Wipe the product with a dampened cloth occasionally to keep it looking new. Do not use harshchemicals, cleaning solvents, or strong detergents to clean the product.• Use and store the product only in normal temperature environments. High temperature canshorten the life of electronic devices, damage batteries, and distort or melt plastic parts.IgnitionThe most common source of noise in reception is the ignition system. This is often a result of theradio being placed relatively close to the ignition system (engine). This type of noise can be easilydetected because it will vary in intensity of pitch with the speed of the engine.Usually, the ignition noise can be suppressed considerably by using a radio suppression type highvoltage ignition wire and suppressor resistor in the ignition system. (Most vehicles employ this wireand resistor, but it may be necessary to check them for correct operation.) Another method ofsuppression is the use of additional noise suppressors. These can be obtained from most CB/Aradio or electronic supply shops.InterferenceRadio reception in a moving environment (automobile) is very different from reception in a stationary(home) environment. AM reception will deteriorate when passing through a tunnel or when passingunder high voltage lines. Noise can be picked up from passing automobiles. Although AM is subjectto environmental noise, it can received at great distances. This is because broadcasting signalsfollow the curvature of the earth and are reflected back by the upper atmosphere.21
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JRV212T Owners Manual - Jensen Heavy Duty

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