Installing a DVR in a car is not just fixing the device on the windshield, but a responsible process, on which the quality of the recording and, as a result, your legal protection on the road depends. 70mai Dash Cam Pro (model) A500S) It is one of the most popular devices in its class thanks to video support in resolution. 1944P built-in GPS-However, to unlock the full potential of this camera, it needs to be positioned in a specific way, avoiding the mistakes that inexperienced users often make.
The wrong choice of mounting location can lead to glare, room illumination, or worst of all, to the driver’s view being blocked, which creates an emergency. In this article, we will go through all the stages of installation in detail, from choosing the perfect point on the glass to carefully laying the power cable, you will learn why it is important to observe the angle of inclination and how to fix the device correctly so that it does not fall in the heat or in the cold.
Before you start the installation, make sure you have all the necessary components on hand: the camera itself, the suction cup mount (or adhesive pad), the power cable and the adapter to the lighter. You may also need additional tools, such as a plastic blade to disassemble the racks if you plan to hide the wires, and a degreaser to prepare the glass surface.
Choosing the optimal location for installation
The first and most critical step is to determine the mounting point. For the 70mai Dash Cam Pro, there is a "gold standard" of location, which is adhered to by professional installers. The camera should be located at the top of the windshield, as close as possible to the central rearview mirror, but not blocking the driver's view.
Why is this area? First, it minimizes the impact of body vibrations, which reduces the risk of lubrication when driving on irregularities. Second, it provides the best angle of view, capturing not only the road ahead, but also the side of the road and the hood of your own car, which is important when determining the distance to the vehicle ahead. It is also important to consider the presence of rain sensors or driver assistance systems, in which cases the camera is mounted slightly below or side of the regular casing.
Don't try to place the recorder too low or at the ceiling, and in the first case, you risk getting your own dashboard in the frame, which will reflect on the glass, creating parasitic glare. In the second case, the angle of shooting can be too steep, and the license plates in front of the cars will be out of frame or will be unreadable due to distortion of perspective.
⚠️ Warning: Before the final fixation of the mount, be sure to check whether the camera body or the recorder itself covers the driver's view. By traffic rules and common sense, no foreign objects should interfere with the view of the area controlled by wipers.
Make sure that the selected location is within the wiper area if you plan to operate the car in rainy weather or winter.If the camera will look at a piece of glass that is not wiped by the wipers, raindrops or snow porridge will completely block the lens, making the recording useless.
Surface preparation and attachment installation
The quality of the mounting depends on the purity of the glass surface. Even microscopic dust particles or finger marks can significantly reduce the adhesion of the adhesive base. Use a special wipe for glass or a degreaser (for example, isopropyl alcohol) to prepare the surface.
The Xiaomi 70mai Dash Cam Pro comes with a 3M-scotch mount, a reliable fixation method that requires a temperature-restraint sticker, and if you install the camera in an unheated garage or outdoors in winter, the adhesive base may not fit properly, and in such cases, it is recommended to preheat the mount and the glass surface to room temperature.
The installation process is as follows:
- 🧹 Carefully clean and degrease the area of glass where the platform will be located.
- 🔥 Warm up the adhesive side of the attachment (can be held in your hands or slightly warmed with a hairdryer) to activate the glue.
- 📍 Remove the protective film and tightly press the mount to the glass, holding it with your hand for a period of time. 30-60 seconds.
- ⏳ Let the glue polymerize. The optimal waiting time before hanging the camera is 24 hours, although the minimum allowed is 1 hour.
Some users prefer to use suction cups instead of static mounting. While this allows for quick removal of the device, for the A500S, with its weight and dimensions, adhesive pad is the preferred option. It provides rigid locking without backlashes, which is critical for the stable operation of the ADAS system if it is activated in the settings.
☑️ Preparation for installation
Scheme of the laying of the power cable
The aesthetics and safety of the installation depend largely on how the power cable is laid. Punching wires can distract the driver, get confused under the arms or get stuck in the windows. For the Xiaomi 70mai Dash Cam Pro, the length of the regular cable is 3.5 meters, which is enough for neat stacking in most sedans and crossovers.
The optimal path of the gasket is as follows: from the place of attachment of the camera, the cable is removed into the ceiling trim (fueled at the junction between the glass and the ceiling), then lowered along the front pillar of the body (usually the driver's), hidden under the torpedo and brought to the lighter. Use a plastic blade or plastic card to fill the cable under the skin so as not to damage the material of the cabin.
When laying the cable on the rack, make sure that the wire does not fall into the opening area of the airbag. The cable should lie loose, with a small margin of length, so that when the safety system is triggered, it does not become an obstacle or, worse, a dangerous projectile.
| Body type | Side of gasket | Features |
|---|---|---|
| sedan | Left pillar | The cable easily hides under the rubber seal of the door |
| hatchback | Left or right | Depends on the location of the safety lock |
| Off-roader | Left pillar | You may need an extension cord because of the height of the cabin. |
| Convertible | Individually | Special care is required with the roof mechanism |
If the cable length is not enough, do not use cheap Chinese extension cords without shielding - they can interfere with the GPS radio signal that accepts the 70mai Dash Cam Pro. It is better to purchase a quality micro-USB extension cord with ferrite rings or use a longer original cable.
What if the cable doesn’t fit under the skin?
Setting the angle of view and inclination
After the physical setup, it's the digital and mechanical setup, and you have to attach the camera to the holder so that the horizon line is about the center of the frame or just a little bit lower. If you put the camera too high, you lose sight of the road in the distance; if you put it too low, you have a lot of hoods in the frame, and the far numbers merge into one point.
The 70mai app (Camera Settings -> Calibration ADAS) has an angle check feature. However, the primary rough adjustment is better done visually. Turn on the camera with the power, and look at the smartphone screen via Wi-Fi connection. On the screen you will see the frame boundaries. Make sure the horizon is flat, not skewed to one side.
Pay special attention to the setting of the exposure. In the menu of the recorder (via the app), you can adjust the sensitivity of the matrix. For daytime shooting, some values are suitable for night shooting, many users make the mistake of leaving the default settings, which leads to the "lighting" of the headlights of oncoming cars at night.
- 🌅 Day: Make sure the sky is not completely white and the details of the clouds are discernible.
- 🌃 Night: Check if the numbers in front of the cars are read from a distance 5-7 meters.
- 🚦 Light: Evaluate whether details are lost in the shadows (under bridges, tunnels).
⚠️ Attention: Do not adjust the angle of view on the move! This distracts from driving and can lead to an accident. All adjustments are made only in the parking lot with the parking brake on.
Power connection and first start
The final stage is to connect to the onboard network. Xiaomi 70mai Dash Cam Pro is powered by 5V voltage via a Micro-USB connector (in some revisions there may be USB-C, check in the instructions for a specific version).
When you first turn on, the camera will emit a characteristic beep and start recording. On the screen (if you have one in your modification) or in the application, the status "Recording is coming" will appear. GPS-This can take 1 to 3 minutes on the first launch.
Check the operation of the main functions:
- Make sure that the cyclic record is active (old files are replaced by new ones).
- Check the impact sensor (G-sensor) – when tapping on the body, the current file should be protected from overwriting.
- Make sure that GPS-track is written correctly (checked in the application on the map).
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Use only High Endurance memory cards or specially designed for DVRs (e.g. Samsung Pro Endurance, SanDisk High Endurance). Regular cards quickly fail due to constant overwriting.
Frequent errors in installation
Even following the instructions, users often make common mistakes that negate the benefits of expensive technology, one of the most common being mounting the camera on a tinted strip at the top of the glass (if it is too wide) or on an athermal windshield without regard to the way radio waves travel.
Athermal glass ("chameleons") can be shielded GPS-If you notice that the recorder can't catch satellites for a long time or loses them on the move, it may make sense to consider installing an external satellite. GPS-antennas (if the model supports) or move the mount to a spray-free zone.
Another mistake is to ignore the operating temperature. Although the 70mai Dash Cam Pro is claimed to work at temperatures up to +60°C, direct sunlight through the windshield in the summer can heat the case to critical values. On particularly hot days, it is recommended to park in the shade or use sun curtains to extend the life of the battery and camera matrix.
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The right DVR installation is a balance between stealth, mounting reliability and the best viewing angle. Don't be in a hurry to stick the device permanently until you've tested multiple placements.