Chelong 7038B Car MP5 Player User Manual
- June 5, 2024
- Chelong
Table of Contents
Chelong 7038B Car MP5 Player
Instruction
*Some functions or setting items may differ due to different machine versions.
Main interface
Description of “press” on the icons

- Press” to google Map
- Press” to radio
- “Press” to the music play
- “Press” to Bluetooth
- “Press” to video play
- Press” to settings
Description of status bar icons
- lf this icon is highlighted on the top status bar of the main interface, it indicates that Bluetooth has been connected successfully.
- if this icon is highlighted on the top status bar of the main interface, the car is completely muted
- if this icon is highlighted on the top status bar of the main interface, it indicates that The wireless network has been connected successfully.
- if this icon is highlighted on the top status bar of the main interface, it indicates that
- The Bluetooth network has been connected successfully.
Other operating instructions
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In any interface, it can slide out the drop-down menu by sliding down from the top of the display. In the drop-down menu, it shows system notification information, adjusts the display brightness, adjusts the volume, open the settings, opens the wireless network connection, etc.
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Long press the main interface application icon to move apps or delete the app
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Description of “press” on the icons

- DFM/AM.”Press” to switch band FM/AM
- Press” to search for stations automatically
- Press to enter the automatically searching station and reserving status, the found the station will be automatically reserved in the preset station list, “press” it again to stop during the searching long press 2 seconds to scan the preset reserved station list
- “Press” to select a local or remote station
- ‘Press” to set the audio effect

- Long press for 2 seconds to search stations upward, if one station is found will stop searching automatically, “press the” icon to fine-tune by upward.
- long press for 2 seconds to search stations downward, if one station is found will stop searching automatically, “press the” icon to fine-tune by downward.
Other operating instructions
- Slide the frequency bar directly to where you need
Description of “press” on the icons

- Enter music main list
- Enter the local music list, “press” to play local music
- Enter the USB disk music list, “press” to play USB disk music
- Enter the favorites list, “press” to play the collected music
- ‘Press” to enter the sound effect settings

- “Press” to switch to the previous song
- Press” to play or pause music
- “Press” to switch to the next song
- 9The current play mode is list loop, “press” to switch to single loop/shuffle mode.
- “Press” to bookmark the current song
- “Press” to cancel the current song
- “Press” to delete the current song
- Other operating instructions
- Enter the song list, long-press the song name to delete the song
- Slide the progress bar to the specified play node during music is playing
Description of “press” on the icons

- “Press” to switch to the previous video
- Press” to play or pause the video
- Press” to switch to the next video
- The current play mode is list loop, “press” to switch to single loop/shuffle mode
- Press” to enter the video list, “press” to play the video on the local disk/USB disk.
- Other operating instructions
- slide the progress bar to the specified play node during the video is playing
Description of “press” on the icons

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press” to search Bluetooth devices
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Press to connect the currently selected Bluetooth device
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Press” to disconnect the currently Bluetooth device
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Press” to delete a paired device
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“Press” to enter the Bluetooth digital dialing interface
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press” to enter the phone book interface, and “press” to synchronize the phone book
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Press” to enter the call log interface
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‘Press” to enter the Bluetooth connection status interface, which can display the current connection status of the Bluetooth audio network of the vehicle.
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missed call record press” to synchronically update the record to the in-vehicle infotainment terminal incoming call record,”press” to synchronically update the record to the in-vehicle infotainment terminal
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Trialing record,”press” to synchronically update the record to the in-vehicle infotainment terminal
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“Press” to synchronically update the phone book to the in-vehicle infotainment terminal.
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the current call through the vehicle end, “press” to switch to the mobile phone, “press again back to the vehicle end
“Press” to hang up -
‘Press” to enter the Bluetooth digital dialing interface
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Operation instructions of connecting the mobile phone to share bluetooth network as below
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Operation instructions for connecting to Apple
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Enter’settings”interface-Personal hotspot” “press” to the icon to turn on
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Operation instructions for connecting to an Android phone
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Enter’settings”interface-press” Wireless and Network-press “Mobile network sharing
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press” to switch to the previous song
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Press” to play or pause music
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Press” to switch to the next song

- Press” to select different preset sound detect
- Press to enter Equalizer, user mode can define the adjustment band
- Press” the Sound field, customizable adjustment of the subwoofer, Surround sound, etc,
- Press” the “Default’ to reset the sound effect setting parameter to the default state,
- Easy connection
- Press to enter easy connection, the mobile phone can be connected to the in=vehicle infotainment device through Android USB, Android WiFi, and iPhone W-Fi. settings
- Network & Internet
- WLAN: “Press” the button on the right of the WLAN to tum on the WLAN, After turning on the WLAN, if there is a Wi-Fi network available around the device, it can searched in the list, press the name of the WLAN need to connect and enter the password to connect.
- Traffic usage: View all Internet-enabled app traffic usage
- Vehicle setting: t can be used for steering wheel control learning, reverse auxiliary line switch setting, etc. check “Car Settings” for details.
- System
- Language and Input
- Date and time: it can select GPS or network to automatically determine the time and date. it allows customizing the set date, time, time zone, and time display Format.
- Reset option: can be restored to factory settings
- About the device: check the system software version, MCU software version, android version, model, etc,
Car Settings
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Rearview camera: The default setting is “Normal”. If the rearview is a mirror image, dick this setting item to select Mirror.
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SWC type: The default setting is “dedicated”. When using the leaning wheel buttons, “press’ this setting item to select Teaming’, then “press” to enter the SWC setting interface to leam the steering wheel button. please refer to the special introduction to SWC learning to get more details.
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Floating ball: The default setting is off. “Press” the check box to choose this function.
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By Cypress ping the floating ball, it can control to increase or decrease the volume, return, and enter the task manager, etc.
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Headlight detection is on-off. The default setting is on. When you tum on the
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headights, the touch panel button will light up and the screen brightness will decrease: “press uncheck to tum off this function.
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Watch the video during driving: the default setting is on, “press” to uncheck it to turn off this function, then you will not be able to watch the video during driving.
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Reversing auxiliary line onlofft: The default setting is off. “press” the check box to turn on this function. the distance guide will appear on the reversing screen.
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Dynamic reversing auxiliary line on-off The default setting is on, “press” uncheck to turn off this function. (This function needs to be supported by the original CAN)
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Set the associated navigation program: the default navigation software is Amap. and other maps can be selected as the default navigation software.
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The screen saver can set the entry screen saver time.
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Screen saver style: set “digital cock, “analog dock, “dynamic screen saver according to your personal preferences
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Wallpaper settings: choose to set the wallpaper
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Brightness: adjust screen brightness
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Media volume when there is navigation sound: Adjust the volume of the mix when navigating
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Whether there is media sound in reversing: the volume of the media sound can be adjusted during reversing
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Media volume: adjust the volume of media such as radio, music, video, etc.
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Bluetooth call volume: adjust the volume of the Bluetooth call
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Ringtone: Adjust the volume of the Bluetooth incoming call
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Factory settings: Professional operation options
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SWC learning
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WC learning steps as below
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Enter the SWC learning interface, select a button to learn, and the interface will pop up a prompt box.
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Pressing the button of the muli-unction steering wheel which need to be associated with,
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when leaming is finished, the screen prompt wil automatically close.
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Repeat 1/2 steps till ll control buttons on the steering wheel have been leamed.
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Remark: The SWC leaming supports 3 different pullup resistors, which are 1K, 10K, 20K “Press” the “Reset” button will clear the learned button.
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After reset to the factory settings, it needs to relearn the steering wheel button
Condition of this function Apply to the multi-function steering wheel which is non-CAN control -
The original car steering wheel button needs to be the voltage input control mode
FCC Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- this device may not cause harmful interference, and
- this device must accept any interference received, including interference that may cause undesired operation
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
- Warning
- changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment The device has been evaluated to meet general RF exposure requirement the device can be used in portable exposure conditions without restriction
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