1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of the CYSSJF K999B+302 1+1 Wireless Take a Number System. This system is designed to manage customer queues efficiently in various commercial environments such as restaurants, hospitals, banks, clinics, retail stores, post offices, and salons.
The system includes a 3-digit LED display, a numeric keypad, and a remote control, all communicating wirelessly to provide a clear and audible calling system for your customers.
2. System Components
The CYSSJF K999B+302 1+1 system consists of the following main components:
- 3-Digit LED Display: A high-brightness display unit showing the current serving number with a voice prompt.
- Numeric Keypad: A wireless input device for calling numbers and managing the queue.
- Remote Control: An infrared remote for adjusting display settings and volume.

Figure 2.1: System Components (Display, Keypad, Remote)
3. Setup Instructions
Follow these steps to set up your wireless take a number system:
- Unpack Components: Carefully remove all items from the packaging. Verify that you have the LED display, numeric keypad, remote control, and power adapter.
- Power Connection: Connect the power adapter to the 3-digit LED display and plug it into a standard electrical outlet. The display will power on automatically.
- Mounting the Display: The display features a wall-hanging design. Choose a visible location for customers. Alternatively, it can be placed on a tabletop. Ensure the display is stable and secure.
- Keypad Placement: Place the numeric keypad in a convenient location for the operator, ensuring it is within the wireless range of the display. No complex wiring is needed for the keypad.
- Initial Pairing (Automatic): The keypad and display are typically pre-paired. Upon powering on, they should establish a wireless connection automatically. If issues arise, refer to the troubleshooting section.

Figure 3.1: Wireless Range Illustration
4. Operating Instructions
4.1. Numeric Keypad Operation
The keypad is used to call numbers and manage the queue. It features numeric keys (0-9) and function keys.

Figure 4.1: Numeric Keypad Layout
- Calling a Number: Enter the desired 3-digit number using the numeric keys (e.g., 1-0-5 for number 105), then press the ENT key. The display will show the number and broadcast it.
- Next Number: Press the ENT key without entering a number to call the next sequential number.
- LAST Key: Recalls the previously called number.
- DIGIT Key (D): Used to toggle digits for number entry or settings.
- ON/OFF Key (Power Symbol): Turns the keypad on or off.
- ZONE Key (Z): Used for area numbering (0-9/A-F). The first digit of the called number can be used for zone identification.
- Arrow Keys (Left/Right): Used for navigation or adjusting settings.
- Asterisk (*) and Hash (#) Keys: May be used for advanced settings or specific functions depending on configuration.
4.2. Remote Control Operation
The infrared remote control provides additional functions for the display unit.

Figure 4.2: Remote Control Layout
- Power ON/OFF: Press the power button (red circle with line) once to turn the display on. Press it 5 times in succession to turn the display off.
- Pause: Press the pause button (two vertical lines) while the display is active or in standby to pause its operation.
- Volume Adjustment: Use the + and - buttons to adjust the voice prompt volume (levels 0-9).
- Function Adjustment: The remote can be used for screen function adjustments. Refer to specific settings in the display menu if available.
Note: For effective control, aim the remote control directly at the infrared sensor area located at the top right of the display unit.
5. Key Features and Settings
5.1. Display Screen Features

Figure 5.1: Display Screen Features
- Broadcast Modes: The system supports 4 distinct broadcast modes:
- DINGDONG
- DINGDONG + Number XX
- DINGDONG + Number XX Please go to XX
- Music
- Scenario Selection: Choose from 38 pre-programmed scenarios to customize the voice prompt for specific environments, such as reception, waiter, service, kitchen, office, bar, doctor, nurse, consulting room, department, shop, counter, or music.
- Number of Broadcasts: Adjust the number of times a called number is broadcast (1-9 times).
- Live Voice Broadcast: Ensures clear and audible announcements.
- Volume Adjustment: Control the audio output volume from 0 to 9.
- Physical Features: Includes metal hooks for hanging and a protective film.
5.2. Wireless Connectivity
The system utilizes a stable long-distance wireless connection between the keypad and the display. The effective receiving distance is up to 500 meters in open air without obstacles, and 50-100 meters indoors, depending on environmental factors.
6. Maintenance
To ensure the longevity and optimal performance of your CYSSJF K999B+302 1+1 system, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the display screen, keypad, and remote control. Avoid using abrasive cleaners or solvents, which can damage the surfaces.
- Power Supply: Ensure the display unit is always connected to a stable power supply. Disconnect power during electrical storms or prolonged periods of non-use.
- Environment: Operate the system in a dry environment, away from excessive heat, direct sunlight, and moisture.
- Remote Control Batteries: If the remote control becomes unresponsive, replace its batteries (type not specified, typically AAA or CR2032 coin cell).
7. Troubleshooting
If you encounter issues with your system, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Display screen is blank. | No power or power adapter issue. | Check if the power adapter is securely connected to the display and a working power outlet. |
| No voice prompt or low volume. | Volume set too low or muted. | Use the remote control to increase the volume. Ensure the volume is not set to 0. |
| Keypad not responding to display. | Out of range, interference, or keypad off. | Ensure the keypad is within the effective wireless range. Check for potential signal interference. Turn the keypad off and on again. |
| Remote control not working. | Low batteries or not aimed correctly. | Replace the remote control batteries. Ensure the remote is aimed at the display's infrared sensor. |
| Incorrect number displayed. | Incorrect entry on keypad. | Re-enter the correct number on the keypad and press ENT. |
8. Specifications
Technical specifications for the CYSSJF K999B+302 1+1 Wireless Take a Number System:
| Feature | Detail |
|---|---|
| Model Number | K999B+302 1+1 |
| Brand | CYSSJF |
| Product Dimensions | 12.01 x 14.37 x 0.39 inches |
| Item Weight | 2.35 pounds |
| Display Size | 29 x 15.5 cm |
| Color | Black |
| Material | ABA |
| Mounting Type | Tabletop Mount, Wall Mount |
| Light Type | LED |
| Orientation | Portrait |
| Wireless Range (Open Air) | Up to 500 meters |
| Wireless Range (Indoor) | 50-100 meters |
| Manufacturer | Quanzhou Shuojiang Electronic Commerce Co., Ltd. |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact the retailer. Keep your proof of purchase for any warranty claims.





