1. Introduction
Thank you for choosing the Karlsson Flip Box XL Clock. This clock features a retro-modern design with a flip display mechanism, indicating time through rotating cards. It is designed by BOX32 Design and can be used as both a table clock and a wall clock. This manual provides essential information for the proper setup, operation, and maintenance of your clock.

Image 1: Front view of the Karlsson Flip Box XL Clock, showing the time 22:10. The clock features a brushed steel frame and black flip cards with white numbers.
2. Safety Information
- Keep the clock away from direct sunlight and extreme temperatures to prevent damage to the mechanism and materials.
- Avoid exposing the clock to water or high humidity.
- Use only the specified battery type (2 x D batteries). Incorrect battery types may cause malfunction or damage.
- Do not attempt to disassemble or repair the clock yourself. Refer to qualified personnel for service.
- Keep batteries out of reach of children. If swallowed, seek immediate medical attention.
3. Package Contents
Ensure all items are present in the package:
- Karlsson Flip Box XL Clock (Model PTG-KA5642ST)
- Instruction Manual (this document)
Note: Batteries are not included and must be purchased separately.
4. Setup
4.1 Battery Installation
- Locate the battery compartment on the back of the clock.
- Open the battery compartment cover.
- Insert two (2) D-size batteries, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
The clock will begin to operate once batteries are correctly installed.
4.2 Placement
The Karlsson Flip Box XL Clock can be used as a table clock or mounted on a wall.
- Table Placement: Place the clock on a stable, flat surface.
- Wall Mounting: Use appropriate wall anchors and screws (not included) for secure mounting. The clock features mounting points on the rear. Ensure the clock is level after mounting.

Image 2: Dimensions of the Karlsson Flip Box XL Clock, showing a width of 42.4 cm and a height of 22.8 cm.
5. Operating Instructions
5.1 Setting the Time
- Locate the time adjustment knob, usually found on the side or back of the clock.
- Gently turn the knob clockwise to advance the time. The flip cards will change as you turn the knob.
- Set the clock to the desired time. Avoid turning the knob counter-clockwise as this may damage the mechanism.
5.2 Alarm Function
The Karlsson Flip Box XL Clock is equipped with an alarm function.
- To set the alarm, locate the alarm setting knob/switch (refer to the specific markings on your clock).
- Adjust the alarm time using the designated control.
- Activate or deactivate the alarm using the ON/OFF switch.
Note: The alarm sound and duration may vary.
6. Maintenance
- Cleaning: Wipe the clock surface with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries when the clock starts to lose time or stops functioning. Always replace both batteries at the same time. Dispose of used batteries responsibly.
- Storage: If storing the clock for an extended period, remove the batteries to prevent leakage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clock not operating | Batteries are dead or incorrectly installed. | Check battery polarity and replace with new D-size batteries. |
| Clock losing time | Low battery power. | Replace batteries. |
| Flip cards are stuck or not turning smoothly | Dust accumulation or mechanical obstruction. | Gently clean the cards and mechanism with a soft brush or compressed air. Do not force the cards. If the issue persists, contact support. |
| Alarm not sounding | Alarm is not activated or set incorrectly. | Ensure the alarm is switched ON and the alarm time is correctly set. Check battery level. |
8. Specifications
- Model: PTG-KA5642ST
- Brand: Karlsson
- Material: Alloy Steel
- Color: Black/White (with steel frame)
- Dimensions (L x W x H): 42.4 cm x 3.81 cm x 22.8 cm (16.7 in x 1.5 in x 9 in)
- Weight: 2.14 kg (4.72 lbs)
- Power Source: Battery Powered
- Battery Type: 2 x D batteries (not included)
- Movement Type: Quartz
- Display Type: Analog (Flip Display)
- Features: Alarm Function, Table or Wall Mountable
- Style: Retro
- Indoor/Outdoor Use: Indoor
9. Warranty and Support
This Karlsson product comes with a limited warranty. For detailed warranty information, please refer to the warranty card included with your purchase or visit the official Karlsson website.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Karlsson customer service through their official channels.
Manufacturer: KARLSSON
Model Number: PTG-KA5642ST





