1. Introduction
Thank you for purchasing the Netzu P338PB Projection Alarm Clock. This device is designed to provide convenient time and temperature display with a rotatable projection feature, adjustable brightness, and alarm functions. Please read this manual thoroughly to ensure proper setup and operation.
2. Safety Information
- Ensure the power adapter is compatible with your local power supply.
- Do not expose the device to water or excessive humidity.
- Avoid placing the device in direct sunlight or near heat sources.
- Keep out of reach of children.
- Do not attempt to disassemble or repair the device yourself. Contact qualified personnel for service.
3. Product Overview
Familiarize yourself with the components of your Netzu P338PB Projection Alarm Clock.
Image: The Netzu P338PB Projection Alarm Clock, illustrating its compact size with dimensions of 6.89 inches in width and 2.17 inches in height. The display shows '12:45 AM' and '52°F'.
Controls and Ports:
- Display Screen: Shows time, temperature, and alarm status.
- Projector: Rotatable lens for projecting time and temperature.
- SNOOZE/LIGHT Button: Activates snooze, adjusts display brightness.
- ALARM Button: Sets and activates/deactivates alarm.
- SET/12-24H Button: Enters time setting mode, switches 12/24-hour format.
- +/VOL Button: Adjusts values up, increases alarm volume.
- -/°C/°F Button: Adjusts values down, switches temperature unit.
- Projection ON/OFF/FLIP Button: Controls projection, adjusts brightness, flips image.
- DC Input: Power connection port.
- Battery Compartment: For backup batteries (2x AAA, not included).
4. Setup
4.1 Power Connection
The Netzu P338PB operates via a corded electric connection. Batteries are for memory backup only and do not power the main functions.
Image: The alarm clock plugged into a wall outlet using the included USB power cable and adapter, demonstrating its plug-in operation.
- Connect the provided USB power cable to the DC input port on the back of the clock.
- Plug the USB adapter into a standard wall outlet. The clock display will illuminate.
4.2 Battery Memory Backup
Install 2 AAA batteries (not included) into the battery compartment to save time and alarm settings during a power outage.
Image: A close-up view of the battery compartment on the underside of the alarm clock, showing where two AAA batteries are inserted for memory backup.
- Open the battery compartment cover on the bottom of the clock.
- Insert 2 AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover.
5. Operating Instructions
5.1 Setting Time and 12/24-Hour Format
Image: The alarm clock display toggling between 24-hour (18:35) and 12-hour (6:35 PM) formats, demonstrating the time display options.
- Set Time: Long press the SET/12-24H button to enter time setting mode. The hour digits will flash. Use the + or - buttons to adjust the hour. Press SET/12-24H again to set minutes, then use + or - to adjust. Press SET/12-24H to confirm.
- 12/24-Hour Format: Short press the SET/12-24H button to switch between 12-hour (with AM/PM indicator) and 24-hour formats.
5.2 Setting Alarm
Image: The alarm clock displaying time and temperature, with an overlay indicating three selectable alarm volume levels (L01, L02, L03) and a sound wave graphic.
- Set Alarm Time: Long press the ALARM button. The alarm hour digits will flash. Use the + or - buttons to adjust the hour. Press ALARM again to set minutes, then use + or - to adjust. Press ALARM to confirm.
- Activate/Deactivate Alarm: Short press the ALARM button to toggle the alarm on or off. An alarm icon will appear/disappear on the display.
- Adjust Alarm Volume: While the alarm is sounding or during alarm setting, press the + or - buttons to cycle through 3 volume levels (L01, L02, L03).
5.3 Snooze Function
Image: A hand pressing the prominent SNOOZE button on top of the alarm clock, with an icon indicating the 9-minute snooze function.
When the alarm sounds, press the SNOOZE/LIGHT button to activate the snooze function. The alarm will pause for 9 minutes and then sound again.
5.4 Projection Settings
The projector can display time and temperature on a wall or ceiling.
Image: A four-step visual guide demonstrating how to operate the projection feature: 1. Short press to open projection. 2. Rotate to adjust projection angle. 3. Short press again to adjust projection brightness. 4. Long press to flip the projected image 180 degrees.
- Turn On/Off Projection: Short press the Projection ON/OFF/FLIP button to turn the projection on or off.
- Adjust Projection Angle: Manually rotate the projector lens 180° to direct the projection to your desired surface (wall or ceiling).
- Adjust Projection Brightness: While projection is active, short press the Projection ON/OFF/FLIP button repeatedly to cycle through 4 brightness levels (L1, L2, L3, L4).
- Flip Projection Image: Long press the Projection ON/OFF/FLIP button to flip the projected image 180° if it appears upside down.
Image: The alarm clock projecting time and temperature onto a wall, demonstrating the 180-degree image flip function for optimal viewing.
5.5 Display Brightness
Image: Two views of the alarm clock, one with a dim display (L1) and another with a bright display (L4), illustrating the 5-level adjustable brightness feature.
Short press the SNOOZE/LIGHT button repeatedly to cycle through 5 levels of display brightness (OFF, L1, L2, L3, L4).
5.6 Temperature Display
Image: The alarm clock displaying '16:42' and '82°F', with an inset showing '82°F ↔ 27°C' to indicate the ability to switch between Fahrenheit and Celsius.
The clock displays the indoor temperature. Short press the -/°C/°F button to switch the temperature unit between Celsius (°C) and Fahrenheit (°F).
6. Maintenance
6.1 Cleaning
- Wipe the clock surface with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
- Keep the projector lens clean for clear projection.
6.2 Battery Replacement
Replace the AAA backup batteries annually or if the clock loses settings during a power interruption.
- Unplug the clock from the power outlet.
- Open the battery compartment on the bottom.
- Remove old batteries and insert new 2 AAA batteries, observing polarity.
- Close the compartment and reconnect power.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clock display is off. | No power connection. | Ensure the power adapter is securely plugged into the clock and a working outlet. |
| Projection is dim or unclear. | Low brightness setting; dirty lens; too far from surface. | Adjust projection brightness (Section 5.4). Clean the projector lens. Move the clock closer to the projection surface (optimal 1.6ft to 11.4ft). |
| Projected image is upside down. | Projection image needs flipping. | Long press the Projection ON/OFF/FLIP button to flip the image 180°. |
| Alarm does not sound. | Alarm is deactivated; volume is too low. | Short press the ALARM button to activate (alarm icon should appear). Increase alarm volume (Section 5.2). |
| Clock loses time/settings after power outage. | No backup batteries or batteries are depleted. | Install fresh AAA batteries for memory backup (Section 4.2). |
8. Specifications
- Brand: Netzu
- Model: P338PB
- Color: Black
- Display Type: Digital LED
- Special Features: 180° Rotatable Projection, Adjustable Display Brightness (5 levels), Adjustable Projection Brightness (4 levels), 3 Alarm Volume Levels, Snooze Function (9 minutes), Indoor Temperature Display (°C/°F), 12/24-Hour Time Format.
- Product Dimensions: 6.93"W x 2.17"H
- Power Source: Corded Electric (USB powered)
- Battery Backup: 2 x AAA batteries (not included) for memory function only.
- Material: Plastic
- Item Weight: 8.4 ounces
- Mounting Type: Tabletop
9. Warranty and Support
Netzu products are manufactured to high-quality standards. For warranty information or technical support, please refer to the contact details provided at the point of purchase or visit the official Netzu website. Please retain your proof of purchase for warranty claims.