Bullseye Debian11 User Manual
- June 3, 2024
- Bullseye
Table of Contents
Bullseye Debian11
This device 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 device 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 device does cause harmful interference to radio or television reception, which can be determined by turning the device 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 device and receiver.
- Connect the device 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
- Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment
Radiation Exposure Statement
The antennas used for this transmitter must be installed to provide a
separation distance of at least 20 cm from all persons and must not be co-
located for operating in conjunction with any other antenna or transmitter.
Preface
Dear users: Thank you for choosing our products! In order for you to use this product conveniently and quickly, we have provided the user manual with you. You can obtain information about the product introduction and instructions. Before using this product, please carefully read all the materials provided to us so that you can better use this product. During the preparation of this manual, we are very serious and rigorous. We hope to provide you with complete and reliable information. However, there are inevitably errors and omissions. Please understand. At the same time, we sincerely welcome your comments or suggestions. If you find any problems in the process of using this product, please contact us in time. Thank you for your support and cooperation The information in this manual is subject to change without notice. points for attention
- please read this manual carefully before using this product;
- please keep this manual;
- please place this product in a safe and stable place to avoid falling and injuring people;
- The temperature suitable for the use of this product is about 0 ° C ~ 45 ° C, and the relative humidity is 20% ~ 80%. Do not put it in a high-temperature or humid place;
- Avoid collision between the machine and rigid objects, which may cause scratches or damage to the machine;
- Avoid liquid flowing into the machine to cause damage to the machine;
- Do not disassemble the internal and auxiliary power supply of the machine to prevent electric shock or fire;
- Do not use overloaded electrical sockets to avoid electric shock or fire;
- Be careful when plugging in the power supply. If you are not sure about the power supply voltage, please consult the local power company.
Changes due to the performance and function of this product may occur without further notice. Thank you for your cooperation!
Specific operations and common functions are described as follows:
Power on and off
- Power on： Plug in the adapter, and then insert the DC head into the machine. The system is powered on and enters the startup process. The startup logo is in the startup process, as shown below: After that, the system enters the default main interface.
- Shut down： Unplug the DC head or unplug the AC line of the power adapter to directly shut down the machine.
Desktop
After the system is started normally, you can see the Debian 11 system desktop, as shown in the following figure:
- The default system desktop consists of Recycle Bin, start menu, file manager, web browser, display desktop, desktop switch, taskbar, notification bar, etc. Click to perform the following operations:
- start menu Common functions and settings of the system can be opened
- File manager Open the file management window to open, copy, paste, and delete files
- Web browser for browsing the required web pages
- Notice column can quickly adjust the system volume, connect Bluetooth and WiFi, display time, Ethernet status, software running in the background, and quickly shut down, log off, restart, etc
Start menu operation
Click the start menu bar in the upper right corner of the desktop Pop up
options are shown in the following figure: 
Use your finger to move the screen up and down to find and Click, You can perform some basic operations such as system settings and time functions.
System settings
Click on the start menu，The system setting interface can be opened, as shown in the following figure:
Select relevant items to perform corresponding operations, for example:
- Wi-Fi
- Network
- Bluetooth
- Background
- Notifications
- Applications
- Sound
- Power
- Displays
- Date & Time
- Users, etc
Date and time setting
Click select ， Enter the date and time setting interface as shown in the following figure:
Click The pop-up window is as shown in the following figure:
Enter the password in the blank column on the right of the password in the
figure above: “1234” can change the time and date after unlocking, as shown in
the figure below: 
Click The pop-up time zone selection map is shown in the following
figure:
Click the city of the corresponding country and region on the time zone map to
complete the time zone setting, Click to close the time zone map.
Click on the notification bar， The WiFi setting interface pops up, as shown in
the following figure: 
In the figure above, you can see the list of WiFi router signals. Click the
corresponding WiFi signal name and enter the password to connect to the WiFi
network. 
Bluetooth wireless connection
Click on the notification bar, The options shown in the following figure pop up:
Click The pop-up window is as shown in the following figure:
Click to search for available Bluetooth devices nearby, as shown in the following figure:
Select the Bluetooth device to be paired, and click，As shown in the following figure:
Remember the pairing code, click And input the same pairing code on the Bluetooth device to be connected at the same time to perform Bluetooth connection with the device.
Network
Browser:
After connecting to the network, click on the bottom of the desktop，enter the
web address in the browser and press enter to quickly open the web page to be
browsed, as shown in the following figure:
Click and then click in the upper left corner of the pop-up player window, and the following window will pop up:
Click the corresponding folder name on the left and right of the window above
to find the media file to be played, for example, the following figure opens
“Test Video. mp4” on the desktop: 
This completes the introduction of common functions of one com-10. For other functions, please get help from this website: https://help.gnome.org/users/
Troubleshooting
-
Slow or incorrect touchscreen response
-
If the touch screen is fitted with a protective cover or optional accessories, the touch screen may not work properly.
-
If you wear gloves when touching the screen, your hands are not clean or touch the screen with sharp objects or fingertips, the touch screen may malfunction. Please contact the customer service center.
-
The touch screen may malfunction in a humid environment or in contact with water.
-
Restart the device to clear any transient software errors.
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Ensure that the device software has been upgraded to the latest version.
-
If the touch screen is scratched or damaged.
-
he device is frozen or has a serious error
-
If the device crashes or hangs, you may need to shut down the application or re-plug in the power and restart the device to restore normal
If the equipment is frozen or reacts slowly, press the reset button on the back of the equipment to restart the machine. -
If the problem still cannot be solved, please contact the customer service center.
-
The equipment feels very hot
-
When using power-consuming applications or using applications on the device for a long time, the device will feel very hot. This is normal and will not affect the service life or performance of the equipment.
-
Data stored on the device is lost
-
Be sure to back up all important data stored on the device. Otherwise, if the data is damaged or lost, you will not be able to recover the data. Our company is not responsible for the loss of data stored on the equipment.
The company reserves the final interpretation of this manual