1. Introduction
Thank you for choosing the Casio TQ-140-1BDF Analog Alarm Clock. This manual provides detailed instructions for the proper setup, operation, and maintenance of your new alarm clock. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
2. Safety Precautions
- Do not expose the clock to extreme temperatures, direct sunlight, or high humidity.
- Avoid strong impacts or dropping the clock.
- Keep the clock away from strong magnetic fields.
- Do not attempt to disassemble or repair the clock yourself. Refer to qualified service personnel.
- Dispose of used batteries according to local regulations.
3. Product Overview
The Casio TQ-140-1BDF is a compact and modern analog alarm clock designed for indoor use. It features a clear dial, an alarm function, and a light for nighttime visibility.

This image displays the front view of the Casio TQ-140-1BDF analog alarm clock. It features a black casing, a white dial with clear hour markers, and three control knobs on the back for time and alarm settings. The overall design is simple and functional.
4. Setup
4.1 Battery Installation
- Open the battery compartment cover located on the back of the clock.
- Insert one AA battery (not included) according to the polarity indicators (+ and -) inside the compartment.
- Close the battery compartment cover securely.
4.2 Setting the Current Time
- Locate the TIME SET knob on the back of the clock.
- Rotate the TIME SET knob in either direction to move the hour and minute hands to the current time.
5. Operating Instructions
5.1 Setting the Alarm Time
- Locate the ALARM SET knob on the back of the clock.
- Rotate the ALARM SET knob to move the alarm hand to your desired alarm time.
5.2 Activating/Deactivating the Alarm
- To activate the alarm, slide the ALARM ON/OFF switch (usually located on the side or back) to the 'ON' position. A small indicator (often red) may appear.
- To deactivate the alarm, slide the ALARM ON/OFF switch to the 'OFF' position.
5.3 Using the Light Function
Press and hold the LIGHT button (typically located on the top of the clock) to illuminate the dial for a few seconds, allowing you to read the time in the dark.
6. Maintenance
6.1 Cleaning
Wipe the clock with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these may damage the casing or dial.
6.2 Battery Replacement
When the alarm sound weakens or the timekeeping becomes inaccurate, it is time to replace the battery. Follow the battery installation steps in Section 4.1. Always replace with a fresh AA battery.
7. Troubleshooting
- Clock not working: Check if the battery is inserted correctly with the correct polarity. Replace with a new battery if necessary.
- Alarm not sounding: Ensure the ALARM ON/OFF switch is in the 'ON' position and the alarm time is set correctly.
- Time is inaccurate: Replace the battery. If the issue persists, contact customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Casio |
| Color | Black |
| Display Type | Analog |
| Style | Modern |
| Special Feature | Alarm |
| Product Dimensions | 39mm (Width) x 39mm (Height) |
| Power Source | Battery Powered |
| Room Type | Living Room |
| Shape | Square |
| Indoor/Outdoor Usage | Indoor |
9. Warranty and Support
This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the warranty card included with your purchase or visit the official Casio website. For technical support or further assistance, please contact Casio customer service.







