Foreword General This manual mainly introduces structure, installation, wiring and menu operations of the analog 4-wire video intercom. Read carefully before using the device, and keep the manual safe for future reference. Model 7-inch and 4.3-inch VTH Safety Instructions The following categorized signal words with defined meaning might appear in the manual. Signal Words Meaning Indicates a high potential hazard which, if not avoided, will result in...
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measures which include but are not limited: Providing clear and visible identification to inform people of the existence of the surveillance area and provide required contact information. About the Manual The manual is for reference only. Slight differences might be found between the manual and the ...
Important Safeguards and Warnings This section introduces content covering the proper handling of the device, hazard prevention, and prevention of property damage. Read carefully before using the device, comply with the guidelines when using it. Operation Requirements ● Check whether the power supply is correct before use. ●...
Structure Introduction The analog 4-wire video intercom consists of a door station ("VTO") and an indoor monitor ("VTH"). It is applicable to buildings, such as residential buildings, for people to do voice and video calls. The VTO is installed outdoors and VTH is installed indoors. Features Real-time video/voice communication ...
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Table 1-1 Front panel description Icon Description Microphone. – Press to hang up the incoming call. Take snapshots during monitoring (only supported by VTH1020J-T). Wake up the screen, and bring up the menu. For how to operate the menu, see "4 Menu Operations". When someone is calling from the VTO: Press once to do voice communication with the person.
Rear Panel There might be slight differences in the real panel among different models. But they have the same function ports. Rear panel Table 1-2 Rear panel Description Description Analog camera port 1. VTH cascading port 1. VTO port 1. VTH cascading port 2.
Installation Do not install devices in harsh environment with condensation, high temperature, dust, corrosive substance and direct sunlight. In case of abnormality after powering on the device, cut off the power supply at once, and unplug the network cable. Power on after troubleshooting. Installation should be done by professional teams.
VTH installation Install the VTO bracket on the wall, and then hang the VTO on the bracket; or install the VTO cover on the wall, and then hang the VTO on the cover. Finally, apply silicone sealant to the gap between the device and the wall.
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Apply silicone sealant to the gap between the device and the wall...
Wiring At most 2 VTOs and 3 VTHs can be wired in one communication system. Preparations 3.1.1 Port Connection Rules Port connection rules Port A of an VTH can be connected to Port C of another VTH to do data communication. ...
Depending on the distance between the VTO and VTH, you need to select RVV4 cords of different specifications. Table 3-1 Cord specification Transmission Distance (TD) RVV4 Cord Specification TD ≤ 10 m RVV4 × 0.3 mm² 10 m < TD ≤ 30 m RVV4 ×...
Menu Operations You can configure the functions of the VTH, such as volume, brightness, and more. Only VTH1020J-T supports the Snapshots and Time functions. All configurations will be saved after you exit the menu. Menu Table 4-1 Menu operations Icon Function Used to confirm your operation when you are using the Snapshots and Time...
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Press to go to the monitoring image that you want. , and then Successful will appear on the screen. Press , and then Successful will appear on the When a VTO is calling or in a call with a VTO, press ...
Viewing a snapshot Press to view the previous or next snapshot. Or you can press to go back to the list of snapshots, and then select the one that you need. , Detele? will appear on the screen, and then press To delete a snapshot, press confirm.
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Confirm your operation Press , and then the device will restart.
Cybersecurity Recommendations Mandatory actions to be taken for basic device network security: Use Strong Passwords Please refer to the following suggestions to set passwords: The length should not be less than 8 characters; Include at least two types of characters; character types include upper and lower case ...
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Assign Accounts and Privileges Reasonably According to business and management requirements, reasonably add users and assign a minimum set of permissions to them. Disable Unnecessary Services and Choose Secure Modes If not needed, it is recommended to turn off some services such as SNMP, SMTP, UPnP, etc., to reduce risks.
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