Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Casio PQ-75-2 Digital Alarm Clock with Thermometer. Please read this manual thoroughly to ensure proper use and to maximize the functionality of your device.

Image: Front view of the Casio PQ-75-2 Digital Alarm Clock, displaying the digital time and temperature.
Features
The Casio PQ-75-2 is a versatile digital alarm clock designed for table-top use, offering several key features:
- Digital Time Display: Clear and easy-to-read digital time.
- Alarm Function: Reliable alarm with snooze capability.
- Digital Thermometer: Displays ambient temperature (in Celsius only).
- Full Auto Calendar: Automatically adjusts for month lengths and leap years.
- 12/24 Hour Indicator: Option to display time in 12-hour or 24-hour format.
- Backlight: For visibility in low-light conditions.
Setup
1. Battery Installation
The Casio PQ-75-2 requires two 12V batteries for operation. Ensure correct polarity when inserting the batteries.
- Locate the battery compartment cover on the back of the unit.
- Remove the cover by sliding or unscrewing it.
- Insert two 12V batteries, matching the (+) and (-) indicators inside the compartment.
- Replace the battery compartment cover securely.
2. Initial Time and Date Setting
Upon battery installation, the clock may display a default time or require manual setting.
- Press the MODE button (or similar, refer to button labels on your device) to cycle through display modes until the time setting mode is activated.
- Use the ADJUST or SET buttons to change the hour, minute, year, month, and day.
- Confirm each setting by pressing the MODE or SET button again.
- Select your preferred 12-hour or 24-hour format during the time setting process.
3. Setting the Alarm
- Press the ALARM button (or similar) to enter alarm setting mode.
- Use the ADJUST or SET buttons to set the desired alarm time.
- Press the ALARM ON/OFF button to activate or deactivate the alarm. An alarm icon will typically appear on the display when active.
Operating Instructions
Time and Date Display
The clock continuously displays the current time. Pressing the MODE button may cycle between time, date, and alarm display modes.
Alarm Function
- When the alarm sounds, press any button (except the alarm ON/OFF button) to activate the snooze function. The alarm will sound again after a few minutes.
- To stop the alarm completely, press the ALARM ON/OFF button.
Thermometer Function
The device displays the ambient temperature. Note: The thermometer on this model displays temperature in Celsius only and does not offer a Fahrenheit option.
Backlight
To illuminate the display in dark conditions, press the LIGHT button (or similar, often located on the top of the unit). The light will typically stay on for a few seconds.
Maintenance
Cleaning
To clean the clock, gently wipe the plastic casing with a soft, dry cloth. Avoid using abrasive cleaners or solvents, as these can damage the finish.
Battery Replacement
When the display becomes dim or functions become erratic, it is time to replace the batteries. Follow the battery installation steps outlined in the "Setup" section.
Troubleshooting
- Display is blank or dim:
Check battery installation. Ensure batteries are inserted with correct polarity. Replace old batteries with new 12V batteries.
- Time is incorrect:
Re-set the time following the "Initial Time and Date Setting" instructions. Ensure you are in the correct 12-hour or 24-hour format.
- Alarm does not sound:
Verify that the alarm is activated (alarm icon visible on display). Check that the alarm time is set correctly. Ensure batteries are not depleted.
- Temperature reading seems inaccurate:
Ensure the clock is placed in an area with stable ambient temperature, away from direct sunlight, heat sources, or drafts. Remember, the thermometer displays in Celsius only.
- Clock is unstable on its base:
Ensure the clock is properly seated in its plastic base. If the base feels loose or the clock wobbles, check for any obstructions or manufacturing defects. Contact support if the issue persists.
Specifications
| Brand | Casio |
| Model Name | PQ-75-2 |
| Display Type | Digital |
| Special Features | Alarm, Thermometer, Full Auto Calendar, 12/24 Hour Indicator |
| Power Source | Battery Powered |
| Batteries Required | 2 x 12V batteries |
| Outer Material | Plastic |
| Product Dimensions | 2.76 x 0.01 x 4.09 inches |
| Item Weight | 3.84 ounces |
| Product Care | Wipe Clean |
| Indoor/Outdoor Usage | Indoor |
Warranty and Support
For warranty information or technical support, please refer to the official Casio website or contact Casio customer service directly. Keep your purchase receipt as proof of purchase.
You can often find support resources and contact information on the official Casio website: www.casio.com/support





