1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your NOKLEAD Digital Alarm Clock Model 5252. Please read this manual thoroughly before using the product to ensure proper function and longevity.
The NOKLEAD Digital Alarm Clock features a 5.9-inch large LED display, adjustable brightness, two volume levels for the alarm, a 9-minute snooze function, and supports both 12-hour and 24-hour time formats. It is designed for ease of use and is powered via a USB adapter.
2. Package Contents
Upon unpacking, please verify that all items listed below are present and in good condition:
- 1 x NOKLEAD Digital Alarm Clock (Model 5252)
- 1 x USB-C Cable (78.7 inches / 2.0 meters)
- 1 x Power Adapter
- 1 x User Manual
Image: Contents of the NOKLEAD Digital Alarm Clock package, including the clock, USB-C cable, power adapter, and user manual.
3. Product Overview
Familiarize yourself with the main components and controls of your alarm clock.
Image: Front view of the NOKLEAD Digital Alarm Clock, showing the large LED display with time (10:30 AM) and alarm/snooze icons.
Image: Rear view of the NOKLEAD Digital Alarm Clock, highlighting the control buttons: SNOOZE/LIGHT, Time Setting, Up, Down, Alarm Setting, Alarm ON/OFF, Reset, and Type-C Input Port.
Control Buttons:
- SNOOZE/LIGHT Button (Top): Press to snooze the alarm or adjust display brightness.
- TIME SET Button (Back): Press to enter time setting mode.
- UP Button (Back): Adjusts values upwards during setting.
- DOWN Button (Back): Adjusts values downwards during setting.
- ALARM SET Button (Back): Press to enter alarm setting mode.
- ALARM ON/OFF Switch (Back): Toggles the alarm function on or off.
- RESET Button (Back): Resets the clock to factory defaults.
- Type-C Input Port (Back): Connects the USB-C power cable.
4. Setup Instructions
4.1 Powering On the Clock
- Connect the provided USB-C cable to the Type-C Input Port on the back of the alarm clock.
- Plug the other end of the USB-C cable into the included power adapter.
- Insert the power adapter into a standard electrical outlet.
The clock display will illuminate, indicating it is powered on. Note that this clock is powered by USB only. In case of a power outage, the screen will go dark, and the alarm will not sound. However, time and alarm settings are automatically saved and will be restored once power is re-established.
Image: The NOKLEAD Digital Alarm Clock connected to a wall outlet via its USB cable and adapter, illustrating its power source.
5. Operating Instructions
5.1 Setting the Time
- Press and hold the TIME SET button on the back of the clock. The hour digits will begin to flash.
- Use the UP or DOWN buttons to adjust the hour.
- Press the TIME SET button again to confirm the hour and move to minute setting. The minute digits will flash.
- Use the UP or DOWN buttons to adjust the minutes.
- Press the TIME SET button one last time to confirm the minutes and exit time setting mode.
5.2 Switching 12/24 Hour Format
While in normal time display mode (not setting time or alarm), press the TIME SET button briefly to toggle between 12-hour (with AM/PM indicator) and 24-hour (military time) formats.
Image: Comparison of the clock display in 12-hour format (10:30 PM) and 24-hour format (22:30).
5.3 Setting the Alarm
- Press and hold the ALARM SET button on the back of the clock. The alarm hour digits will begin to flash.
- Use the UP or DOWN buttons to adjust the alarm hour.
- Press the ALARM SET button again to confirm the alarm hour and move to alarm minute setting. The alarm minute digits will flash.
- Use the UP or DOWN buttons to adjust the alarm minutes.
- Press the ALARM SET button one last time to confirm the alarm minutes and exit alarm setting mode.
- To activate the alarm, slide the ALARM ON/OFF switch to the "ON" position. An alarm icon will appear on the display.
The alarm will sound for up to 30 minutes if not turned off or snoozed.
5.4 Snooze Function
When the alarm sounds, press the large SNOOZE/LIGHT button on the top of the clock. The alarm will pause for 9 minutes and then sound again. You can repeat the snooze function multiple times.
Image: A hand pressing the top SNOOZE/LIGHT button on the alarm clock, indicating the snooze function.
5.5 Adjusting Display Brightness
Press the large SNOOZE/LIGHT button on the top of the clock (when the alarm is not sounding) to cycle through 5 brightness levels (100%, 70%, 50%, 30%, 10%) and a full OFF option. This allows you to adjust the display to your preference for day or night viewing.
Image: Visual representation of the five adjustable brightness levels (100%, 70%, 50%, 30%, 10%) and the OFF option for the clock display.
5.6 Adjusting Alarm Volume
The alarm features two volume levels: Soft (70dB) and Loud (85dB). To switch between these levels, locate the small switch on the back of the clock, usually near the ALARM ON/OFF switch, labeled for volume adjustment. Slide it to your desired volume setting.
6. Maintenance
- Cleaning: Use a soft, dry cloth to wipe the clock's surface. Avoid abrasive cleaners or solvents, as they may damage the finish.
- Placement: Place the clock on a stable, flat surface. Avoid direct sunlight, extreme temperatures, or high humidity.
- Power: Always use the provided power adapter and USB-C cable to ensure optimal performance and prevent damage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clock display is off. | No power supply or power outage. | Ensure the USB-C cable and power adapter are securely connected to the clock and a working electrical outlet. Check the power outlet. |
| Alarm does not sound. | Alarm is not activated or set incorrectly. | Verify the ALARM ON/OFF switch is in the "ON" position. Recheck alarm time settings (Section 5.3). Ensure the clock has power. |
| Display is too bright or too dim. | Brightness level needs adjustment. | Press the SNOOZE/LIGHT button on top to cycle through brightness levels (Section 5.5). |
| Cannot change time/alarm settings. | Not in setting mode or buttons are unresponsive. | Ensure you are pressing and holding the correct TIME SET or ALARM SET button. If unresponsive, try pressing the RESET button on the back with a thin object (e.g., paperclip) to restart the clock. |
8. Specifications
| Brand | NOKLEAD |
| Model Number | 5252 |
| Display Type | Digital LED |
| Display Size | 5.9 inches |
| Product Dimensions | 5.5"W x 3"H x 1.6"D (14cm x 7.7cm x 4.1cm) |
| Power Source | Corded Electric (USB-C) |
| Alarm Volume Levels | 2 (70dB, 85dB) |
| Snooze Duration | 9 minutes |
| Brightness Levels | 5 + OFF |
| Time Format | 12H/24H Switchable |
| Material | Acrylonitrile Butadiene Styrene (ABS), Plastic, Polypropylene (PP) |
| Item Weight | 6 ounces (170 grams) |
9. Warranty and Support
The NOKLEAD Digital Alarm Clock Model 5252 comes with an Extended Warranty. For specific warranty details and terms, please refer to the warranty information provided with your purchase or contact NOKLEAD customer support.
If you encounter any issues or have questions regarding your product, please contact NOKLEAD customer support through the retailer's platform or the official NOKLEAD website for assistance.
