Introduction
Thank you for choosing the RS PRO 8111814 Digital Stopwatch. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read it thoroughly before use and retain it for future reference.
Product Overview
The RS PRO 8111814 is a compact, battery-operated digital stopwatch designed for precise time measurement. It features a clear LCD display and is capable of timing events up to 24 hours. Its robust design makes it suitable for various applications requiring accurate timing.

Figure 1: Front view of the RS PRO 8111814 Digital Stopwatch, showing the LCD display and control buttons.
Package Contents
Please check the package for the following items:
- 1 x RS PRO 8111814 Digital Stopwatch
- 1 x User Manual (this document)
Setup
The stopwatch is typically ready for use upon receipt. If the display is blank or dim, battery installation or replacement may be required.
- Battery Installation/Replacement:
- Locate the battery compartment cover on the back of the stopwatch.
- Use a small screwdriver (if necessary) to open the cover.
- Insert a new battery (e.g., LR44 or equivalent, check device for specific type) with the correct polarity (+/-).
- Securely close the battery compartment cover.
- Initial Power On: The stopwatch should power on automatically once the battery is installed.
Operating Instructions
The RS PRO 8111814 Digital Stopwatch typically features three main buttons: START/STOP, LAP/RESET, and MODE.
- START/STOP Button:
- Press once to start the timer.
- Press again to pause the timer.
- Press a third time to resume timing from where it was paused.
- LAP/RESET Button:
- While the timer is running, press to record a lap time. The main timer continues to run in the background.
- While the timer is paused, press to reset the timer to zero.
- MODE Button:
- Press to cycle through different modes, such as time display, alarm, or stopwatch function. Ensure the stopwatch is in the correct timing mode before use.
Note: Specific button functions may vary slightly. Refer to the markings on your device for precise operation.
Maintenance
- Cleaning: Wipe the stopwatch with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the stopwatch in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery: If the stopwatch will not be used for an extended period, it is recommended to remove the battery to prevent leakage.
- Water Resistance: This device is not specified as water-resistant. Avoid exposure to water or high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Low or dead battery; incorrect battery installation. | Replace the battery, ensuring correct polarity. |
| Buttons are unresponsive. | Device frozen; battery issue. | Remove and reinsert the battery to reset the device. If problem persists, replace battery. |
| Inaccurate timing. | Device malfunction. | Contact customer support if basic troubleshooting does not resolve the issue. |
Specifications
- Model: 8111814
- Brand: RS PRO
- Description: Black Pocket Digital Battery Operated Stopwatch LCD Display 24hr Max Time
- Country of Origin: China
- Material: Copper (Note: This might refer to internal components or a specific part, not the casing.)
- Max Time: 24 hours
- Display: LCD
- Power Source: Battery Operated
- UPC: 044761457321
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official RS PRO website or contact your local distributor. Keep your purchase receipt as proof of purchase.
Manufacturer: RS PRO
Item Part Number: 8111814





