IP67 Waterproof SSD HDD 4 Channel Car DVR Recorder with 960P AHD For Bus Taxi

Features:

• H.264 image compression encoding supported, VM-3504-HD:100fps@720P PAL,
• VM-3504-HD support 4 channels analog audio and video recording and playback at the same time.the device up to support 4 analog camera + 1 1080P IPC recording at the same time.
• Air video interface is used to provide high reliability and strong anti-seismic property
• Built-in 3G/4G network, GPS, WiFi (optional )
• Built-in 2.5" SSD, max. 2TB SSD supported,
• Good scalability, 1 RS485 interface, 1 RS232 interfaces
• 8V-36V wide voltage DC supply, 12V POE power supply supported
• operating temperature range -25℃ + 80℃

• Function		VM-3504-HD
  System	Language	English / Chinese
  	Operation Interface	Graphical User Interface(OSD menu)
  	Password Security	2 Levels: Administrator & User
  Video	Video Input	A:Supports 4 channels CIF/HD1/D1/960H camera Video input B:Supports 4 channels 720P AHD camera Video input C:Supports 2-CH 720P AHD + 2-CH 960H analog mixing Video input D:Supports 1-CH 720P/1080P IPC + 4-CH 960H/D1/CIF Video input E:Supports 1-CH 720P/1080P IPC + 4-CH 720P AHD Video input
  	Video Output	1 Channels (Rear Panel on RJ45&AV-OUT Port)
  	Video Display	Single picture, 1~5 pictures
  	Signal System	PAL / NTSC ( PAL@100 frame 720P/sec; NTSC@120 frame 720P/sec )
  	Image Compression	H.264 Main profile
  Audio	Audio Input	4 Channels
  	Audio Output	1 Channel
  	Record Format	Synchronized A/V recording

Common Questions and Answers (QA) for MDVR

Q: What shall we do when a problem that could not be solve occurs to the product?

A: Record product model and software version number and submit detailed problem description to our technical support engineer for analysis. Detailed description will be very helpful to our analysis.

Q: What shall we do when the mobile device has no video output?

A: 1. Check the power status of the device. If only one blue indicator is lit up, it indicates that the device is still in standby mode and not powered on; at the same time, check if red or yellow cable of the main power is supplied normally; If not, the device cannot be started.

2. Check if the display is powered and if the display video is switched to AV status.

3. Check the connection status of the video output cable and display.

4. Check the lock status the mainframe lock; the device can be started only when the lock is locked.

Q: What shall we do when the mainframe video input interface is different from the camera input interface?

A: a 4-pin interface is used for the vehicle device. BNC interface or air interface is used for the camera. If inconsistency is found, please use an adapter or connect it to a standard line defined as the line sequence for the vehicle device.