Introduction
Thank you for purchasing the Karlsson Silent Hexagon Wooden Alarm Clock. This manual provides detailed instructions for setting up, operating, and maintaining your new alarm clock. Please read this manual thoroughly before use and retain it for future reference.

Image 1: Front view of the Karlsson Silent Hexagon Wooden Alarm Clock, displaying the time 10:10.
Package Contents
- Karlsson Silent Hexagon Wooden Alarm Clock (Model: PTG-KA5651DW)
- Instruction Manual
- Note: Batteries are not included.
Setup
1. Battery Installation
- Locate the battery compartment cover on the back of the alarm clock.
- Gently slide or unclip the cover to open the compartment.
- Insert the required batteries (typically 3x AAA, refer to the compartment markings for correct polarity).
- Replace the battery compartment cover, ensuring it is securely closed.

Image 2: Rear view of the Karlsson Silent Hexagon Wooden Alarm Clock, indicating the location of controls and the battery compartment.
2. Initial Time Setting
Upon battery installation, the display will illuminate. Refer to the "Operating" section for detailed instructions on setting the current time.
Operating
1. Setting the Time
- Locate the "SET" button (or similar, usually on the back). Press and hold it until the hour digits begin to flash.
- Use the "+" and "-" buttons (or similar, often labeled "UP" and "DOWN") to adjust the hour.
- Press "SET" again to confirm the hour and move to the minute setting.
- Use the "+" and "-" buttons to adjust the minutes.
- Press "SET" one more time to confirm the minutes and exit time setting mode.
2. Setting the Alarm
- Locate the "ALARM SET" button (or similar). Press and hold it until the alarm hour digits begin to flash.
- Use the "+" and "-" buttons to adjust the alarm hour.
- Press "ALARM SET" again to confirm the alarm hour and move to the alarm minute setting.
- Use the "+" and "-" buttons to adjust the alarm minutes.
- Press "ALARM SET" one more time to confirm the alarm minutes and exit alarm setting mode.
3. Alarm On/Off
- To activate or deactivate the alarm, locate the "ALARM ON/OFF" switch or button (often indicated by an alarm icon).
- When the alarm is active, an alarm indicator icon (e.g., a bell) will typically appear on the display.
Maintenance
1. Cleaning
To clean the alarm clock, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these may damage the finish or electronic components. Avoid exposing the clock to excessive moisture.
2. Battery Replacement
When the display dims or the clock functions become erratic, it is time to replace the batteries. Follow the "Battery Installation" steps in the Setup section to replace the old batteries with new ones. Dispose of used batteries responsibly according to local regulations.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clock display is blank or dim. | Low or depleted batteries. | Replace batteries with new ones. Ensure correct polarity. |
| Alarm does not sound. | Alarm is not activated or set incorrectly. | Ensure the alarm is turned ON and the alarm time is set correctly. Check battery level. |
| Time is incorrect. | Time was not set accurately or batteries were removed. | Reset the current time following the "Setting the Time" instructions. |
Specifications
| Brand: | Karlsson |
| Model Number: | PTG-KA5651DW |
| Material: | Wood |
| Color: | Naturel |
| Dimensions (L x W x H): | 14.8 x 3.81 x 14.2 cm |
| Weight: | 200 g |
| Power Source: | Battery Powered (Batteries not included) |
| Special Feature: | Silent Clock |
Warranty and Support
For warranty information or technical support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.





