TAGS: "Technical Support FAQ"

What this FAQ covers: A guide to set up offline upgrade plans for MDVR devices via IVMS web interface. It explains how to select target devices, upload upgrade files, and schedule upgrades that automatically execute when devices reconnect to the network.

What this FAQ covers: A troubleshooting guide to reduce MongoDB memory usage on IVMS Server. It explains how to limit the WiredTiger cache size via configuration file modification to resolve high RAM consumption and improve system responsiveness.

What this FAQ covers: A guide to verify Google API functionality for IVMS Server. It explains how to extract the API key from server configuration files and test it with a sample geocoding request in a web browser to confirm if the API is working or if access is denied.

What this FAQ covers: A guide to access user logs via IVMS web interface. It explains how to check user activity logs, device change reports, and media usage details, enabling administrators to track system actions, device modifications, and 4G data consumption by MDVR devices.

What this FAQ covers: A troubleshooting guide to resolve persistent SD card not exist alarms in IVMS Client. It explains how to use the alarm filter to suppress the Disk 2 no exist alert and restart the client to clear the false alarm.

What this FAQ covers: A troubleshooting guide to diagnose SIM card detection issues on JI3 MDVR devices. It explains how to verify SIM status via the web interface and mobile app, check physical insertion, review APN settings, and analyze system logs to resolve detection failures.

What this FAQ covers: A technical reference for JH16 MDVR MCU debug port definition. It details the location of the internal debug port on the mainboard, pinout specifications, and the required DB9 to USB/3-pin cables for connecting to the MCU for debugging.

What this FAQ covers: A technical reference for surveillance camera lens angle and distance calculation. It provides tables showing the relationship between lens focal length, CCD size, field of view, shooting range dimensions at different distances, and optimal distances for license plate recognition.

What this FAQ covers: A troubleshooting guide to resolve the car not located on map issue in IVMS. It explains how to use browser developer tools to identify connection timeout errors, then check network configuration, firewall, and VPN settings to restore map location functionality.

What this FAQ covers: A guide to configure and manage MDVR parameters at scale. It explains methods to upload configuration from a master device via SD card or IVMS Client, and provides systematic management advice for device numbering, default settings, and parameter tracking across large deployments.

What this FAQ covers: A troubleshooting guide to resolve IVMS Client device list loading failure with SSL enabled. It explains how to analyze client logs, access the IVMS server database, and update the WebSocket server configuration to restore device list loading and video preview functionality.

What this FAQ covers: A troubleshooting guide for MDVR parameter file import and export errors. It lists common error messages such as No U-disk, Open config file fail, and Load config file failed, along with corresponding solutions to resolve configuration transfer issues.

What this FAQ covers: A guide to check different WiFi statuses on MDVR devices. It explains how to interpret system display messages to identify issues such as antenna connection problems, incorrect passwords, and successful WiFi connections, with corresponding troubleshooting advice.

What this FAQ covers: A troubleshooting guide to resolve IVMS Gateway Server failure caused by full log files. It explains how to locate log directories, safely clear excessive logs, and restart services to restore Gateway Server functionality in affected IVMS versions.

What this FAQ covers: A guide to check offline upgrade tasks via IVMS web interface. It explains how to access the device upgrade report, filter tasks by time and device, and view detailed upgrade status including firmware versions and completion times.

What this FAQ covers: A guide to check firmware, IMEI, and MCU version information via IVMS web interface. It explains how to access the device hardware information report, select target devices, and retrieve detailed hardware and software version data even if devices are offline.

What this FAQ covers: A troubleshooting guide to resolve IVMS video preview failure caused by server connection issues. It explains how to restore connectivity by restarting the login server to recover missing server session data, and provides an alternative solution of upgrading the server version.

What this FAQ covers: A step-by-step guide to export video recordings from HDD MDVR using a USB drive. It explains how to prepare a FAT32-formatted USB, connect it to the MDVR, search for recordings by time, and export files to complete the process.

What this FAQ covers: A repair guide to solder the broken AV output component on MDVR mainboards. It explains how to locate the damaged component, use welding tools to reattach it, and secure it with glue for stability after disassembly of the MDVR.

What this FAQ covers: A troubleshooting guide to resolve position empty issues in IVMS reports. It explains how to verify server access to Google Maps, check network configurations including DNS settings, and restore position data in reports by ensuring proper network connectivity.