dretec Digital Stopwatch SW-122BK User Manual

Introduction

This manual provides detailed instructions for the dretec Digital Stopwatch, model SW-122BK. This device is designed for precise time measurement in various activities, including sports, training, and daily use. It features a waterproof design, lap and split time recording, an alarm, and a calendar function.

Please read this manual thoroughly before using the stopwatch to ensure proper operation and to maximize its functionality.

Product Overview

The dretec Digital Stopwatch SW-122BK is equipped with a clear digital display and intuitive button controls. Below is an illustration of the stopwatch with its primary components and controls.

Image: Front view of the dretec Digital Stopwatch SW-122BK, showing the display and control buttons.

Button Functions:

• MODE Button: Used to switch between different modes (Stopwatch, Timer, Alarm, Calendar).
• START/STOP Button: Initiates and pauses timing in stopwatch mode; confirms settings in other modes.
• LAP/RESET Button: Records lap/split times in stopwatch mode; resets values or navigates menus.
• RECALL Button: Accesses stored lap/split time memories.

Setup

1. Battery Installation

The dretec Digital Stopwatch SW-122BK comes with one CR2 battery pre-installed. If the display is dim or unresponsive, the battery may need to be replaced.

• Locate the battery compartment on the back of the stopwatch.
• Use a small screwdriver to open the compartment cover.
• Remove the old CR2 battery and insert a new one, ensuring correct polarity (+/-).
• Securely close the battery compartment cover.

2. Initial Time and Date Setting

After battery installation or a reset, you may need to set the current time and date.

1. Press the MODE button repeatedly until the Calendar/Time display appears.
2. Press and hold the LAP/RESET button until the time digits begin to flash.
3. Use the START/STOP button to adjust the flashing digit (hours, minutes, seconds).
4. Use the LAP/RESET button to move to the next digit or setting (e.g., year, month, day).
5. Once all settings are correct, press the MODE button to exit the setting mode.

Operating Instructions

1. Stopwatch Mode

This is the primary function for timing events.

1. Press the MODE button until the stopwatch display (0:00'00"00) is shown.
2. Press START/STOP to begin timing.
3. Press START/STOP again to pause timing.
4. Press START/STOP to resume timing.
5. When paused, press LAP/RESET to reset the stopwatch to zero.

2. Lap and Split Time Measurement

The stopwatch can record up to 100 lap and split times, displayed on a 3-row screen.

Image: The stopwatch display illustrating split time, lap time, and total time simultaneously.

1. In Stopwatch mode, press START/STOP to begin timing.
2. Press LAP/RESET to record a split time (the time elapsed since the start) and a lap time (the time elapsed since the last lap). The display will show the current split, lap, and total time.
3. Continue pressing LAP/RESET for subsequent laps.
4. Press START/STOP to end the timing.
5. To recall stored times, press the RECALL button. Use START/STOP and LAP/RESET to navigate through the recorded memories.

3. Timer / Countdown Mode

Use this mode to set a countdown timer.

1. Press the MODE button until the Timer display appears.
2. Press and hold LAP/RESET to enter setting mode. Digits will flash.
3. Use START/STOP to adjust the flashing digit (hours, minutes, seconds).
4. Use LAP/RESET to move to the next digit.
5. Once the desired time is set, press MODE to exit setting mode.
6. Press START/STOP to begin the countdown.
7. Press START/STOP again to pause/resume.
8. When paused, press LAP/RESET to reset the timer to the set value.

4. Alarm Function

Set an audible alarm for specific times.

1. Press the MODE button until the Alarm display appears.
2. Press and hold LAP/RESET to enter setting mode. Digits will flash.
3. Use START/STOP to adjust the flashing digit (hours, minutes).
4. Use LAP/RESET to move to the next digit.
5. Once the desired alarm time is set, press MODE to exit setting mode.
6. To activate/deactivate the alarm, press START/STOP while in Alarm mode. An alarm icon will appear/disappear on the display.

5. Sound Control (Mute Function)

The stopwatch features a sound control button to turn button press sounds ON or OFF, useful in quiet environments.

Image: An icon depicting a speaker with a mute symbol, indicating the sound control feature.

• While in any mode, press and hold the MODE button for a few seconds to toggle the sound ON/OFF. A speaker icon may appear/disappear on the display to indicate the sound status.

6. Waterproof Feature (IPX7)

The dretec Digital Stopwatch SW-122BK is rated IPX7 waterproof, meaning it can be submerged in water up to 1 meter for 30 minutes.

Image: The stopwatch shown alongside text indicating "WATER RESISTANT IPX7" and a swimmer, highlighting its waterproof capability.

This feature makes it suitable for use in wet environments, such as swimming or during rainy conditions. Ensure all buttons are pressed firmly and the battery compartment is sealed correctly to maintain its waterproof integrity.

Maintenance

Cleaning

To clean the stopwatch, wipe it with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these can damage the casing or display. For stubborn dirt, a mild soap solution can be used, followed by wiping with a clean, damp cloth.

Storage

Store the stopwatch in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, consider removing the battery to prevent leakage.

Troubleshooting

• Display is blank or dim: Check the battery. Replace the CR2 battery if necessary.
• Stopwatch resets randomly: This could indicate a low battery or an issue with battery contact. Ensure the battery is securely installed and fully charged. If the problem persists, a factory reset might be required (refer to the "Resetting the Device" section).
• Buttons are unresponsive: Ensure the stopwatch is not in a locked mode (if applicable, though not specified for this model). Try pressing buttons firmly. If the issue continues, a reset may resolve it.
• Incorrect time/date: Re-enter the time and date settings as described in the "Setup" section.

Resetting the Device

If the stopwatch malfunctions or behaves unexpectedly, a full reset may resolve the issue. To perform a reset, remove the battery for approximately 30 seconds, then reinsert it. You will need to re-set the time and date after a reset.

Specifications

Image: The stopwatch with its dimensions clearly marked: 2.2 inches (58mm) width, 0.8 inches (21mm) depth, and 3.2 inches (83mm) height.

Warranty and Support

dretec products are manufactured to high-quality standards. For information regarding warranty coverage, please refer to the warranty card included with your purchase or visit the official dretec website.

If you encounter any issues or require further assistance, please contact dretec customer support through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.