Introduction
This manual provides comprehensive instructions for setting up and operating your TMC 8-Inch Digital Day Clock (Model CDD-8D-W). This clock is designed with a large, clear display to show the time, day, date, and period of the day (Morning, Afternoon, Evening, Night). It includes features such as multiple alarms, medication reminders, adjustable brightness, and the ability to play media from an SD card. Please read this manual thoroughly to ensure proper use and maintenance of your device.
Product Overview
Familiarize yourself with the components and controls of your TMC Digital Day Clock.

Figure 1: Front view of the TMC 8-inch digital day clock.

Figure 2: Rear view of the clock with control buttons, ports, and detachable stand.
Key Components:
- Display Screen: 8-inch LED display for time, day, date, and period of day.
- Control Buttons (Rear): Power, Menu, Navigation (Up/Down/Left/Right/Enter).
- SD Card Slot: For playing videos, music, or displaying photos.
- DC IN Port: For connecting the power adapter.
- Hanging Hole: For wall mounting.
- Speaker: For alarm sounds and media audio.
- Detachable Stand: For tabletop placement.
Setup
1. Power Connection:
- Connect the provided power adapter to the DC IN port on the back of the clock.
- Plug the adapter into a standard electrical outlet. The clock will power on automatically.
2. Initial Settings:
Upon first power-on, or after a reset, you may need to set the time, date, and language. Use the control buttons on the back of the clock to navigate the menu.
- Press the Menu button to enter the settings menu.
- Use the Up/Down buttons to highlight options.
- Use the Left/Right buttons to change values.
- Press the Enter button (center of navigation cluster) to confirm selections.

Figure 3: The clock display after initial setup, showing time, day, and date.
Video Guide: Setting Up Your Clock
This video demonstrates how to navigate the clock's menu to set the time, date, language, brightness, and alarm settings.
Operation
Setting Time and Date:
- Press Menu.
- Navigate to 'Set Time' and 'Set Date' using Up/Down buttons. Adjust values with Left/Right.
- Select 'Time Mode' to choose between 12-hour or 24-hour format.
- Select 'Date Mode' to choose between Month-Day-Year or Day-Month-Year format.
- Navigate to 'Language' to select your preferred language (8 languages supported).
- Press Menu again to exit and save settings.
Adjusting Brightness:
The clock features 5 levels of display brightness and an automatic dimming function.
- Press Menu.
- Navigate to 'Automatic Brightness' to enable or disable the auto-dimming feature.
- If 'Automatic Brightness' is off, you can manually adjust 'Brightness-day' and 'Brightness-night' (levels 1-10).

Figure 4: The clock demonstrating automatic dimming for day and night for optimal visibility.
Adjusting Volume:
The clock offers 10 adjustable alarm volume levels.
- Press Menu.
- Navigate to 'Volume' and use Left/Right buttons to adjust the level (1-10).
Alarms & Reminders
The clock supports 5 custom alarms and 3 dedicated medication reminders.
Setting Custom Alarms:
- Press Menu.
- Navigate to 'Alarm Status' and set it to 'On'.
- Scroll down to 'Alarm01' through 'Alarm05'.
- Select an alarm, then use Left/Right to set the time and frequency (e.g., Once, Everyday, Mon-Fri, Weekends).
- Press Menu to exit and save.
Setting Medication Reminders:
Three pre-set medication reminders are available for Morning, Afternoon, and Night.
- Press Menu.
- Navigate to 'Morning Medication Reminder', 'Afternoon Medication Reminder', or 'Evening Medication Reminder'.
- Select a reminder and use Left/Right to set the time and frequency.
- Press Menu to exit and save.

Figure 5: The clock displaying a medication reminder, illustrating its use for daily routines.

Figure 6: Example of a medication reminder displayed on the clock screen.
Media Playback (SD Card)
The clock supports playing videos, music, and displaying photos from an SD card (not included).
Steps for Media Playback:
- Download your desired photos, videos, or music files onto an SD card.
- Locate the SD card slot on the side of the clock.
- Insert the SD card into the slot until it clicks into place.
- The clock should automatically detect the SD card. Navigate to the media playback option in the menu to choose photos, videos, or music to play.

Figure 7: Instructions for inserting an SD card to play media files.
Mounting Options
The TMC Digital Day Clock offers versatile placement options.
Tabletop Placement:
Use the detachable stand located on the back of the clock. Pull it out to support the clock on any flat surface, such as a desk, nightstand, or counter. The stand allows for angle adjustment.
Wall Mounting:
The clock features a hanging hole on its back for easy wall mounting. Ensure the stand is folded in before mounting. Use appropriate wall hardware (not included) for secure installation.

Figure 8: The clock with its detachable stand and wall-mounting option.
Troubleshooting
If you encounter issues with your TMC Digital Day Clock, refer to the following common solutions:
- Clock Not Powering On: Ensure the power adapter is securely connected to both the clock and a working electrical outlet.
- Incorrect Time/Date Display: Access the settings menu (press Menu button) and verify the 'Set Time' and 'Set Date' are correct. Check 'Time Mode' (12/24 Hour) and 'Date Mode' (Month-Day-Year / Day-Month-Year) settings.
- Alarm Not Sounding/Stopping: Check 'Alarm Status' in the menu to ensure alarms are enabled. Verify individual alarm times and frequencies. To stop a sounding alarm, press any button on the back of the clock.
- Display Too Bright/Dim: Adjust 'Brightness-day' and 'Brightness-night' settings in the menu. Ensure 'Automatic Brightness' is set according to your preference.
- SD Card Media Not Playing: Ensure the SD card is inserted correctly and contains compatible media files (photos, videos, music). Check the media playback settings in the menu.
- No Sound from Media/Alarms: Check the 'Volume' setting in the menu.
If problems persist, please contact customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | TMC |
| Model Number | CDD-8D-W |
| Display Type | Digital LED |
| Screen Size | 8 inches |
| Product Dimensions | 7.5"W x 8.7"H |
| Item Weight | 1.1 Pounds |
| Power Source | Corded Electric (5V, 1500mA) |
| Special Features | Adjustable Volume, 5 Alarms, 3 Medication Reminders, Auto Dimmable, Large Display, Multilingual (8 languages), SD Card Playback |
| Mounting Type | Wall Mount/Tabletop |
| Material Type | Acrylonitrile Butadiene Styrene (ABS Plastic) |
Warranty & Support
TMC products are manufactured with quality and care. This product comes with a limited warranty. For detailed warranty information, product support, or to report any issues, please contact TMC customer service. Refer to the product packaging or the official TMC website for contact details.





