1. Utangulizi
Asante kwa ununuziasing the CUSTOM Drip-proof Stopwatch SW-709N. This manual provides detailed instructions for the proper use, setup, and maintenance of your stopwatch. Please read this manual thoroughly before use to ensure optimal performance and longevity of the product.

Picha ya 1: Mbele view of the CUSTOM Drip-proof Stopwatch SW-709N. The display shows 23 hours, 59 minutes, and 59 seconds, with indicators for days of the week and "WATER RESISTANT" at the bottom. Buttons for SPLIT/RESET, LIGHT, MODE, and START/STOP are visible around the bezel.
The SW-709N is a digital stopwatch designed for various timing applications. It features an IPX4 drip-proof rating, a large LCD display, and an EL backlight for visibility in low-light conditions. It also includes date, time, alarm, and hourlkazi za kengele ya y.
2. Kuweka
2.1 Ufungaji wa Betri
The stopwatch operates on one CR-2032 coin battery. The battery included with the product is for testing purposes only and may have a limited lifespan. For regular use, it is recommended to replace it with a new battery.
- Tafuta sehemu ya betri nyuma ya saa ya kupimia.
- Kwa kutumia bisibisi ndogo, fungua kifuniko cha sehemu ya betri kwa uangalifu.
- Insert one CR-2032 coin battery, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Funga salama kifuniko cha chumba cha betri.
2.2 Mpangilio wa Tarehe na Wakati wa Awali
After battery installation, the stopwatch may require initial time and date setting. Refer to the "Operating Instructions" section for details on how to adjust these settings using the MODE and SPLIT/RESET buttons.
3. Maagizo ya Uendeshaji
3.1 Kazi za Kitufe
- Kitufe cha MODE: Cycles through display modes (Time, Stopwatch, Alarm). Used for setting adjustments.
- Kitufe cha ANZA/SIMAMA: Starts and stops the stopwatch timer. Used to confirm settings.
- SPLIT/RESET Button: Records split times during stopwatch operation. Resets the stopwatch. Used to adjust values during setting.
- Kitufe cha MWANGA: Activates the EL backlight for approximately 5 seconds.
3.2 Onyesho la Wakati na Tarehe
The stopwatch can display the date (year, month, day) and time (hour, minute, second). The time display can be switched between 12-hour and 24-hour formats.
- Bonyeza kwa MODE button to navigate to the time display mode.
- Kuweka saa na tarehe:
- Katika hali ya kuonyesha kwa wakati, bonyeza na ushikilie MODE kitufe hadi onyesho liwaka.
- Tumia GAWANYA/WEKA UPYA kitufe cha kurekebisha thamani ya kuwaka.
- Bonyeza kwa ANZA/ACHA button to move to the next setting (e.g., seconds, minutes, hours, day, month, year, 12/24h format).
- Mara tu mipangilio yote imekamilika, bonyeza kitufe cha MODE kitufe cha kutoka kwenye hali ya mipangilio.
3.3 Kazi ya Saa ya Kupitisha
The stopwatch can measure time up to 23 hours, 59 minutes, and 59 seconds, with a minimum measurement of 1/100th of a second for the first 29 minutes, 59 seconds, and 99 hundredths.
- Bonyeza kwa MODE button to navigate to the stopwatch display mode.
- Bonyeza kwa ANZA/ACHA kitufe cha kuanza muda.
- To record a split time, press the GAWANYA/WEKA UPYA button while the stopwatch is running. The split time will be displayed temporarily. Press GAWANYA/WEKA UPYA tena ili kurudi kwenye wakati wa kukimbia.
- Bonyeza kwa ANZA/ACHA kitufe cha kusitisha kipima muda.
- Bonyeza ANZA/ACHA tena ili kuanza kuweka muda.
- Ili kuweka upya saa ya kupimia hadi sifuri, bonyeza kitufe cha ANZA/ACHA button to stop the timer, then press the GAWANYA/WEKA UPYA kitufe.
3.4 Kazi ya Kengele
The stopwatch includes an alarm function with a bell mark light and a buzzer that sounds for approximately 1 minute.
- Bonyeza kwa MODE kitufe cha kusogeza hadi kwenye hali ya kuweka kengele.
- Ili kuweka saa ya kengele:
- In alarm mode, press and hold the MODE kifungo hadi saa ya kengele iwake.
- Tumia GAWANYA/WEKA UPYA button to adjust the flashing value (hours, then minutes).
- Bonyeza kwa ANZA/ACHA kitufe cha kusogeza kati ya mipangilio ya saa na dakika.
- Bonyeza kwa MODE kitufe cha kutoka kwenye hali ya mipangilio.
- Ili kuamsha/kuzima kengele, bonyeza kitufe cha ANZA/ACHA button in alarm mode. An alarm icon will appear/disappear on the display.
3.5 Hiiurly Kazi ya Chime
Hourly chime provides an audible alert at the top of every hour (00 minutes).
- In time display mode, press the MODE button to cycle through modes until you reach the hourly chime setting (often indicated by a small icon).
- Bonyeza kwa ANZA/ACHA kitufe cha kugeuza hourly chime ON or OFF. An icon will indicate its status.
3.6 EL Mwangaza nyuma
To illuminate the display in dark environments, press the MWANGA button. The backlight will remain active for approximately 5 seconds.
4. Vipengele
- IPX4 Drip-proof Rating: This stopwatch is designed to withstand splashes of water from any direction, making it suitable for use in rainy weather or locations where water splashes are common. It is not intended for submersion.
- Onyesho kubwa la LCD: Provides clear and easy-to-read numerical information.
- EL Backlight: Ensures visibility of the display in low-light conditions.
- Tarehe na Onyesho la Wakati: Shows year, month, day, hour, minute, and second, with selectable 12/24-hour format.
- Kengele na Hourly Kengele: Integrated functions for time management.
5. Matengenezo
5.1 Kusafisha
Futa saa ya kupimia kwa kitambaa laini na kikavu. Kwa uchafu mkaidi, futa kidogoamp cloth can be used, followed by a dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the casing au onyesho.
5.2 Ubadilishaji wa Betri
When the display becomes dim or functions become erratic, it is time to replace the battery. Follow the instructions in Section 2.1. Dispose of used batteries according to local regulations.
5.3 Hifadhi
Store the stopwatch in a cool, dry place away from direct sunlight, extreme temperatures, and strong magnetic fields. If storing for an extended period, it is advisable to remove the battery to prevent leakage.
6. Utatuzi wa shida
| Tatizo | Sababu inayowezekana | Suluhisho |
|---|---|---|
| Onyesho ni tupu au hafifu. | Betri ya chini au iliyokufa. | Replace the CR-2032 battery (refer to Section 2.1). |
| Vifungo havijibu. | Hitilafu ya muda ya programu au betri ya chini. | Remove and reinsert the battery. If the issue persists, replace the battery. |
| Saa/Tarehe si sahihi. | Not set correctly or battery was removed. | Weka upya wakati na tarehe (rejea Sehemu ya 3.2). |
| Saa ya kupimia haianzishi/haiishi. | Umechagua hali isiyo sahihi. | Ensure the stopwatch is in stopwatch mode (refer to Section 3.3). |
If you encounter problems not listed here or if the suggested solutions do not resolve the issue, please contact CUSTOM customer support.
7. Vipimo
- Mfano: SW-709N
- Chapa: DESTURI
- Asili: China
- Max Timing Capacity: Saa 23, dakika 59, sekunde 59
- Min Timing Resolution: 1/100 second (for first 29 minutes, 59 seconds, 99 hundredths)
- Kazi: Stopwatch (Split), Time, Date, Alarm, Hourly Chime
- Onyesha: Digital (Month, Day, Day of Week, Hour, Minute, Second)
- Usahihi wa Wakati: ±1 second/day
- Vipengele vya Kengele: Bell mark light, buzzer (approx. 1 minute duration)
- Hourly Kengele: Sounds at 00 minutes of every hour
- Mwangaza nyuma: EL backlight (approx. 5 seconds illumination)
- Vipimo: Approx. W 66.5 × H 77 × D 11 mm
- Uzito: Takriban. 60 g
- Chanzo cha Nguvu: 1 x CR-2032 Coin Battery
- Upinzani wa Maji: IPX4 Drip-proof (resistant to splashing water)
- Vifaa: Mwongozo wa Maagizo
8. Udhamini na Msaada
Specific warranty details and customer support contact information are not provided in the product data. Please refer to the product packaging or the official CUSTOM website for warranty terms and support contacts.
For general inquiries or technical assistance, please visit the manufacturer's webtovuti au wasiliana na mchuuzi wako wa karibu.





