1. Introduction
Thank you for choosing the sygonix SY-4737738 Key Box. This manual provides important information regarding the safe installation, operation, and maintenance of your key box. Please read these instructions thoroughly before use and retain them for future reference.
2. Safety Instructions
- Ensure the key box is securely mounted to a stable surface to prevent it from falling.
- Do not attempt to force the lock if the combination is unknown or incorrect.
- Keep the combination confidential and store it in a safe place, separate from the key box.
- This product is designed for indoor use only. Avoid exposure to extreme temperatures or moisture.
3. Package Contents
Please check the package contents upon receipt to ensure all items are present and undamaged:
- sygonix SY-4737738 Key Box
- Colored key rings (20 pieces)
- Mounting hardware (screws and wall plugs)
- User Manual
4. Product Overview
The sygonix SY-4737738 Key Box is designed for secure storage of up to 20 keys. It features a robust construction and a 3-digit combination lock for access control.

Figure 4.1: Front view of the sygonix SY-4737738 Key Box, showing the main body and the integrated 3-digit combination lock on the front panel.

Figure 4.2: Detailed view of the 3-digit combination lock mechanism. The default combination is typically 0-0-0.

Figure 4.3: The key box shown with a set of colorful key rings, indicating its capacity for key organization.

Figure 4.4: Rear view of the key box, highlighting the pre-drilled holes for wall mounting.
5. Setup
5.1 Mounting the Key Box
The key box is designed for wall mounting. Follow these steps for secure installation:
- Choose a suitable location on a solid wall.
- Using the key box as a template, mark the positions for the mounting holes on the wall.
- Drill holes at the marked positions using an appropriate drill bit for your wall type.
- Insert the provided wall plugs into the drilled holes.
- Align the key box with the holes and secure it to the wall using the provided screws. Ensure it is firmly attached.
5.2 Initial Combination Setting
The key box comes with a factory default combination, typically 0-0-0. To open the box for the first time:
- Ensure all three dials are set to 0.
- Turn the knob clockwise to unlock and open the door.
6. Operating Instructions
6.1 Opening the Key Box
- Rotate the three dials to your current combination.
- Turn the knob clockwise to release the latch.
- Open the door of the key box.
6.2 Changing the Combination
You can set a new personal 3-digit combination. Follow these steps carefully:
- Open the key box door using the current combination.
- Locate the reset lever or button on the inside edge of the lock mechanism (refer to Figure 4.2 for general location).
- While the door is open, push the reset lever from position A to B (or press the reset button).
- Set your desired new 3-digit combination by rotating the dials.
- Return the reset lever from position B to A (or release the reset button).
- Important: Before closing the door, test the new combination several times with the door open to ensure it works correctly.
- Scramble the dials and close the door. Your new combination is now set.
Note: It is highly recommended to write down your new combination and store it in a secure location, separate from the key box.
6.3 Using Key Rings
The provided colored key rings help organize your keys. Attach one key to each ring and hang them on the hooks inside the key box. The different colors can be used for categorization.
7. Maintenance
The sygonix Key Box requires minimal maintenance.
- Clean the exterior surface with a soft, damp cloth. Avoid abrasive cleaners or solvents.
- Do not lubricate the lock mechanism unless specifically instructed by customer support.
- Regularly check the mounting screws to ensure the key box remains securely attached to the wall.
8. Troubleshooting
8.1 Key Box Will Not Open
- Incorrect Combination: Double-check that you are entering the correct 3-digit combination. Ensure each dial is precisely aligned with the indicator mark.
- Dials Not Aligned: Make sure the numbers on the dials are perfectly centered in the viewing window.
- Lock Mechanism Jammed: Gently try turning the knob while applying slight pressure to the door. Do not force it.
8.2 Forgot Combination
If you have forgotten your combination, there is no master key or override code. The only way to regain access is to try all possible combinations (000 to 999). This process can be time-consuming. It is crucial to record your combination in a secure, separate location.
9. Specifications
| Feature | Specification |
|---|---|
| Model | SY-4737738 |
| Brand | sygonix |
| Lock Type | 3-digit combination lock |
| Key Capacity | 20 hooks |
| Color | White |
| Item Weight | 750 Grams |
| Mounting Type | Wall Mount (Floor Mount listed, but typically wall for key boxes) |
| Assembly Required | No |
| Batteries Required | No |
10. Warranty
sygonix products are manufactured to high-quality standards. For information regarding warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official sygonix website.
11. Support
If you have any questions, require technical assistance, or encounter issues not covered in this manual, please contact sygonix customer support. Contact details can typically be found on the official sygonix website or on your product packaging.





