Introduction
Thank you for purchasing the Bigben Analog Alarm Clock, Model 75109. This clock combines classic analog timekeeping with modern convenience, featuring a fast 2.0 Amp USB charging port. Designed for reliability, it operates on electric power with a battery backup to ensure continuous operation. Please read this manual carefully to understand the features and proper operation of your new alarm clock.
Package Contents
- Bigben Analog Alarm Clock (Model 75109)
- Integrated Power Cord
- Instruction Manual
Note: One (1) AAA battery for backup is not included and must be purchased separately.
Product Overview
Familiarize yourself with the various parts of your Bigben Analog Alarm Clock.

Figure 1: Front View - Displays the analog clock face, speaker grille, and the 2.0 Amp USB charging port on the left side.

Figure 2: Back View - Shows the ALARM OFF/ON switch, LIGHT OFF/ON switch, ALARM setting knob, TIME setting knob, and the battery compartment.

Figure 3: Side View - Illustrates the compact design and the large snooze button located on the top of the clock.
Setup
- Power Connection: Plug the integrated power cord into a standard electrical outlet. The clock is primarily powered by electricity.
- Battery Backup Installation: Open the battery compartment on the back of the clock. Insert one (1) AAA battery (not included), ensuring correct polarity (+/-). This battery provides backup power in case of a power outage, preserving your time and alarm settings.
- Set Time: Locate the "TIME" setting knob on the back of the clock. Rotate this knob clockwise or counter-clockwise to adjust the hour and minute hands to the current time.
- Set Alarm: Locate the "ALARM" setting knob on the back of the clock. Rotate this knob to set the alarm hand to your desired wake-up time. Ensure the ALARM switch is in the "ON" position for the alarm to activate.
Operating Instructions
Alarm Function
- Activating the Alarm: Slide the "ALARM" switch on the back of the clock to the "ON" position.
- Alarm Sound: The alarm features an ascending sound, starting softly and gradually increasing in volume to gently wake you.
- Snooze Function: When the alarm sounds, press the large "SNOOZE" button on top of the clock. The alarm will pause for approximately 5 minutes before sounding again.
- Disabling the Alarm: To turn off the alarm completely, slide the "ALARM" switch on the back of the clock to the "OFF" position.
Dial Light
- Turning On/Off: Use the "LIGHT" switch on the back of the clock to turn the dial light ON or OFF.
- Auto Dimmable: The dial light is designed to be auto-dimmable, adjusting its brightness based on ambient light conditions for optimal visibility without being overly bright.
USB Charging Port
Video 1: Product Features Overview - This video demonstrates the key features of the Bigben Analog Alarm Clock, including the fast USB charging port, snooze function, and dial light. It also highlights the clock's dimensions and power options.
The integrated 2.0 Amp USB charging port allows you to charge your electronic devices conveniently. This port charges devices twice as fast as standard USB ports. Simply connect your smartphone, tablet, camera, or other USB-powered device to the USB port on the front of the clock using its charging cable.
Maintenance
- Cleaning: Wipe the clock with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: If the clock experiences frequent time loss during power outages, it may be time to replace the AAA backup battery. Ensure the clock is connected to AC power before replacing the battery to avoid losing current time settings.
- Placement: Place the clock on a stable, flat surface. Avoid direct sunlight or extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clock does not display time or function. | No power or power outage. | Ensure the power cord is securely plugged into a working electrical outlet. Check if the backup battery is installed correctly and has sufficient charge. |
| Time is inaccurate. | Incorrect time setting or weak backup battery. | Re-set the time using the "TIME" setting knob. If using battery backup, replace the AAA battery. The clock uses a precise quartz movement for accurate timekeeping. |
| Alarm does not sound. | Alarm not activated or set incorrectly. | Ensure the "ALARM" switch is in the "ON" position. Verify the alarm time is set correctly using the "ALARM" setting knob. |
| Dial light is not working. | Light switch is off. | Slide the "LIGHT" switch to the "ON" position. |
| USB charging port not working. | Clock not powered or device cable issue. | Ensure the clock is connected to AC power. Try a different USB cable or device to rule out cable/device issues. |
Specifications
- Brand: Bigben
- Model Number: 75109
- Display Type: Analog
- Movement: Quartz
- Power Source: Corded Electric with 1x AAA Battery (backup, not included)
- USB Charging Port: 2.0 Amp
- Special Features: Alarm, Auto Dimmable Dial Light, Snooze
- Product Dimensions: 4.4"W x 3"H x 1.75"D
- Material: Plastic
- Color: Black
- Indoor/Outdoor Usage: Indoor
Warranty and Support
This Bigben Analog Alarm Clock comes with a 1-Year Limited Warranty. For warranty claims, technical support, or further assistance, please contact Bigben customer service. Refer to the product packaging or the official Bigben website for contact information.
Please retain your purchase receipt as proof of purchase for warranty purposes.