1. Introduction
Thank you for choosing the Casio IQ-126-5 Wall Clock. This quartz thinline wall clock features a marron wood frame and a beige dial, designed for clear time display. This manual provides instructions for proper setup, operation, and maintenance to ensure optimal performance and longevity of your clock.

Figure 1: Front view of the Casio IQ-126-5 Wall Clock.
2. Setup
2.1 Battery Installation
- Locate the battery compartment on the back of the clock.
- Insert one AA battery (R6P) into the compartment, ensuring the positive (+) and negative (-) terminals are aligned correctly.
- Close the battery compartment cover securely.
Note: The back of the clock features a dedicated compartment for the AA battery and a small knob for time adjustment.
2.2 Setting the Time
- On the back of the clock, locate the time adjustment knob (a small wheel).
- Gently turn the knob to move the clock hands clockwise until the correct time is displayed.
2.3 Mounting the Clock
- Choose a suitable location on a wall.
- Use a nail or screw (not included) appropriate for your wall type.
- Hang the clock using the integrated hanging slot on the back. Ensure it is securely mounted.
3. Operation
The Casio IQ-126-5 Wall Clock operates continuously once the battery is installed and the time is set. It features a smooth second hand movement, ensuring quiet operation without any ticking sound. The analog display provides clear visibility of the time.
4. Maintenance
4.1 Battery Replacement
The approximate battery life is 12 months with an R6P (AA) battery. Replace the battery when the clock stops or if you notice inconsistencies in timekeeping. Follow the battery installation steps in Section 2.1.
4.2 Cleaning
Wipe the clock's surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents, as these may damage the finish or the clock face.
5. Troubleshooting
5.1 Clock Not Keeping Accurate Time
- Check the battery: If the clock's time becomes inconsistent or stops, the battery may be low or depleted. Replace the AA battery with a fresh one.
- Reset the time: After replacing the battery, reset the time using the adjustment knob on the back.
5.2 No Movement from Hands
- Verify battery installation: Ensure the battery is inserted with correct polarity (+/-).
- Replace battery: If the battery is old, replace it with a new AA battery.
6. Specifications
| Model Name | IQ-126-5 |
| Display Type | Analog |
| Movement Type | Quartz |
| Case Material | Resin (Marron Wood Frame) |
| Dial Color | Beige |
| Case Dimensions | 260 X 260 X 40 mm (Diameter: 260 mm) |
| Total Weight | 540 g (1.2 Pounds) |
| Power Source | 1 x AA Battery (R6P) |
| Approx. Battery Life | 12 months |
| Accuracy | ±20 seconds per month |
| Additional Features | Smooth second hand, Wall mountable |