Truck Radio, Coach Radio, Bus Radio 24V Radio, Car Play,

Product Description

12.1-inch intelligent central control large screen
DC24V radio
 all-in-one central control panel.
Input of the system: AM/FM radio antenna, GPS antenna, steering wheel shortcut key, front/left/right/rear view camera, 360AVM camera ,high-speed CAN, USB interface, Bluetooth mobile phone, multimedia, T-BOX and mobile phone interconnection.
The output of the system: host screen, speaker system, Bluetooth hands-free, high-speed CAN, multimedia.
System processing: central control panel host.

serial number	Hardware resources	technical specifications	remarks
one	LCD	12.1 inches (aspect ratio 16: 9) Resolution 1024*600
2	CPU	AC8257 4-core Coretex-A53, clocked at 2GH. Built-in ARM9 co processor	Work rules
three	GPU	Imagination GE8300 GPU Support OpenGL&OpenCL, and the frequency is as high as 600MHz.
four	DDR	4GB	Work rules
five	EMMC	32GB	Work rules
six	MCU	N32A455CEL7	Support dual CAN
seven	Audio	AK7739
eight	PA	TDA7576
nine	Radio	TDA7786/TDA7708
10	OS	Android9.0
11	Memory	LPDDR4
12	Storage	EMMC5.1
13	Display	Support FHD output display
14	video input	Support four AHD camera inputs (1080P, 720P).
15	audio frequency	2 sets of MIC inputs, supporting hardware noise reduction and echo cancellation.
16	i/o interface	Support UART, SPI, I2C, PWM, USB and other interfaces.
17	Usb interface	The external connection is installed on the switch panel of the instrument panel.

2.4 system function description

category	Function item	functional description
Time and date	Time and date display	1. The main interface includes time and date display. 2. After the screen is turned off, time and date information can also be displayed.
	Time and date update	Update the time and date through GPS or network.
	Automatic time correction	Automatically adjust the time through GPS or network.
navigate	Navigation map	1. Optional map of Amap 2. In the application management, the ordinary map of Amap is included, and users can download and install it themselves.
Built-in document	PDF built-in document and retrieval	1. Built-in PDF documents: vehicle fault analysis, vehicle maintenance manual, and instructions for the central control display. 2. Support PDF document retrieval and manual search button.
USB	External USB interface	1. Support the software upgrade of all internal modules (including system upgrade) through USB. 2, data reading: audio and video, pictures. 3. Mobile phone screen projection: mobile phone screen projection display and audio transmission. 4. Charging: It has charging function, with voltage of 5V and current of 1.5~2.5A.
Remote upgrade	Remote program and parameter update	1. Under the condition of WIFI connection, automatically obtain the software update under the fixed link. 2. Support remote OTA upgrade and adaptation according to customer specifications, and support OTA deployment of customer cloud platforms.
Mobile phone interconnection	Mobile phone interconnection	1. Pre-installation: Yilian. 2. Support smartphone connection of ios and android systems. 3. Support connection methods: USB and WIFI connection.
WIFI	WIFI	1. Support for connecting external devices to WIFI: Share the name and password of the in-car WIFI through CAN information. 2. Quick connection. 3. Initial state: On. 4. Save the connected WIFI name and password and automatically identify the connection. 5. Feedback of WIFI connection modification: Feedback WIFI and password modification through vehicle CAN information. 6. Manual selection and storage of external WIFI is allowed.
Bluetooth	Bluetooth	Support Bluetooth to receive/hang calls and make calls. Support phone book function, support access to mobile phone address book. Support playing mobile music. Support voice control: voice on/off, answer/hang up, and make calls. Save the connected Bluetooth name and password, and automatically identify the connection; At least 8 paired records can be saved. The first Bluetooth matching is required to be completed within 5 seconds. After successful Bluetooth matching, the next matching mobile phone will be automatically connected, and the matching time will be less than 3 seconds.
touch screen	touch screen	Support multi-touch.
Multimedia entertainment function	video display	1. The following formats are supported for playback: MP4, 3GP, AVI, MKV, WMV, ASF, DIVX, MPEG, F4V, FLV, MOV, MPG, RMVB, TS, VOB and XVID ID. 2. Support voice control: voice on/off, channel tuning and volume adjustment. 3, built-in video: support. 4. It is forbidden to play video while the vehicle is driving.
	Music playing	1. Support the following formats: AAC, AC3, AIFF, MP3, WMA, AIFF, AMR, APE, AU, FLAC, M4A, MKA, MMF, MP2, OGG, WAV, M4A, M4R, RA. 2. Support for built-in music. 3. Audio files should be played clearly and smoothly, and the audio files within 15M should be free from jamming and errors. 4. Support the memory of the last position of the track; Support repeat playback, random playback and single loop playback; Support play/pause; Support forward and backward selection. 5. Support the function of previewing the file directory. You can preview the directory containing music files, and the number of directory layers is ≥8. 6. Support voice control: one song, next song, play and pause.
	Voice control	Support sound adjustment.
	radio	1. Radio station adjustment: search on and off the stage. 2. Radio setting memory function (without power failure): B+ without power failure, with memory function. 3, scanning, automatic search. 4. FM/AM radio preset: FM: 18; Am: twelve. 5. Support voice control: voice on/off, channel tuning and volume adjustment. 6. FM frequency range: 87.5~108.0MHz, with steps of 100KHz. AM frequency range: 522~1620KHz, with steps of 9KHz.
	Picture browsing	1. Support picture files in mobile storage, at least support bmp, jpg and png picture formats. It is required that the played pictures are clear and smooth, and the pictures within 15M are free from jamming and distortion, and the response time for switching pictures is ≤500ms. 2. Select the U disk image in the image browsing main interface to display the image folder in the U disk; Click any picture folder to display the thumbnails of the pictures in that folder. 3. Supports previous/next/rotation/deletion of pictures, and supports zooming in/out of pictures through two-point touch.
Video image	Four-loop video surveillance and 360 look around	1. Support external 360 surround view and local four-loop video monitoring. 2. Support the host function configuration of four-loop video display and external 360 display through configuration words.
Four-loop video surveillance	Local four-dimensional image display	1. Support 4 AHD inputs (1080P/720P). 2. Automatic display after the fourth loop is ready, and automatic exit after overspeed; Separate blue screen display of missed loop. 3, reversing automatically enlarge the rear view. 4. Left and right steering linkage at low speed; Large angle linkage. 5. Support camera configuration and display interface adjustment.
DVR	Monitoring video recording storage	1. When the power is turned ON, the four-loop AHD will automatically supply power to start, the video will be continuously stored, and the folder will be automatically established in days. 2. Store a single driving cycle with the power OFF time. 3. Provide icons to enter DVR to store videos, and select videos to watch and play back. 4. Store in USB, and set a special folder for the storage records. DVR is not allowed to delete or overwrite the contents outside the folder.
Vehicle interactive control	Multifunction steering wheel	1. Functional definition of multi-function steering wheel is developed according to customer definition. 2. Turn the steering wheel control signal into a CAN signal to control the instrument adjustment.
	Touch screen soft switch interface	1. Display different touch screen switch information according to the configuration word, provide classified vehicle control and some pull-down shortcut switches. 2. Soft switch settings and functions are developed according to customer definitions.
	ECO mode interaction	According to the CAN signal controlled by ECO, a prompt message pops up, and the driver is fed back to confirm the status manually. Add a color box to the interface.
Air conditioning status display and control	Air conditioning on/off	The air conditioning control and display functions are matched according to the customer's air conditioning functions.
	A/C on/off
	Air conditioning damper mode
	Air conditioning blower gear
	Internal/external circulation of air conditioner
	Set temperature
	Air conditioning mode
	Degree-day switching	Chinese version:ºC, English version: ºF.
	Air conditioning interface	1. If the air conditioning interface is not operated within 10 seconds, it will be automatically retracted; 2. Operate any key of air conditioning control, and the air conditioning interface will pop up automatically.
Voice control	Voice function	1. Identify noise reduction/echo cancellation/voice wake-up function. 2. Information services: stocks, air tickets, weather, etc.
	Voice control	Vehicle control: lighting, doors and windows, air conditioning, music playback control, etc.
	Intelligent voice	Humanized voice interaction includes chat interaction, polymorphic dialogue, multi-round dialogue, small talk and encyclopedic knowledge.
	Fault inquiry	According to our fault information base, the fault analysis method is retrieved.
	Dynamic interaction	Need to modify the definition of wake-up words for customers.
	Voice control module	Adopt peer voice.
Tire pressure	Tire pressure display and setting	1. Set the standard tire pressure of the tire pressure system through the touch screen, and transmit the set value to the tire pressure system through the CAN bus. 2. Adjust the tire position through the touch screen. 3. Support offline configuration to match different models.
T-BOX interaction	T-BOX interaction	1. Provide the vehicle housekeeper access function, which mainly requests T-BOX data through Can signal, T-BOX feeds back the vehicle status through CAN, and T-BOX displays data. Including but not limited to vehicle driving record, supplementary electricity record, SOH and physical examination of key systems. 2. It provides a quick drop-down display of monthly traffic usage, supports jumping to the vehicle housekeeper to show the use of traffic packages, and recharges traffic, and pops up the corresponding scanning code support interface. 3. Built-in OTA query interface in the vehicle housekeeper, request T-BOX to carry out vehicle OTA inspection through CAN information, and provide ECU information to be upgraded according to the CAN feedback of T-BOX, and provide manual selection to view the upgrade details and upgrade options of single components.
Night mode	Display backlight adjustment	1. When the low beam signal effect is received, the host computer switches to the night mode (the brightness of the display screen decreases) (controlled by a small light). 2. The backlight brightness supports the unified alignment with the vehicle backlight.
Overvoltage and low voltage protection	Overvoltage and low voltage protection	When the voltage is greater than 32V and less than 16V, the central control host automatically protects.
set up	system	1. Display system hardware, software, mcu version information and storage information. Restore factory settings. 2. Version number (software version, MCU version).
	date	Set the date and time (priority GPS automatic update).
	sound	1. Volume setting: equalizer (bass, midrange and treble). 2, sound effect settings: default, jazz, pop, classical, rock, dance music, live, custom). 3. Area (equal loudness, left and right speakers).
	show	1. The backlight brightness is automatically adjusted. 2. Display the effect.
	Wifi settings	1. WIFI switch (initial value: ON). 2. WIFI search, connection and disconnection.
Third-party software installation	software	Pre-installation (to be determined). Users are not allowed to install unauthorized apps.
Vehicle housekeeper	Interface display	The customer develops the car housekeeper APP, and Party B displays it in the car machine.
Other software	Adaptive development	Other software adaptation development on the existing platform is carried out according to the negotiation scheme of both parties.