1. تعارف
The CREST CR4 is a versatile dive computer designed to meet the needs of various diving activities, including Scuba Diving, Free Diving, and acting as an instrumentation Gauge. It offers advanced features for both recreational and technical divers, ensuring safety and providing essential dive data.
2. سيٽ اپ
2.1. ڊوائيس کي چارج ڪرڻ
The CREST CR4 features a rechargeable lithium-ion battery. Before initial use, ensure the device is fully charged. The watch supports fast charging, reaching up to 85% charge in approximately 1 hour.
چارج ڪرڻ:
- Connect the charging clip to the back of the CREST CR4, ensuring the pins align with the charging contacts.
- Connect the USB end of the charging cable to a power source (e.g., USB wall adapter, computer USB port).
- واچ ڊسپلي چارجنگ اسٽيٽس جي نشاندهي ڪندو.
2.2. Initial Power-Up and Wearing
After charging, the device can be powered on. The watch is designed to be worn on the wrist using its 22mm anti-allergic silicone strap. The strap can be replaced with compatible third-party watch straps if desired.
3. Operating the CREST CR4
The CREST CR4 features multiple buttons for navigation and mode selection: POWER, UP, MODE, and DOWN. The interface is designed for clear readability, even underwater, and includes a backlight that activates when the watch is held up.
3.1. ڊائيونگ موڊس
The CR4 supports the following dive modes:
- Scuba Mode: Functions as a standard dive computer, calculating No-Decompression Limit (NDL) and indicating required decompression stops.
- گيج موڊ: Tracks depth and dive time without calculating NDL or decompression stops.
- Apnea Mode: Dedicated free-diving mode for tracking free dives.
3.2. نيويگيشن ۽ سيٽنگون
Use the UP and DOWN buttons to scroll through menu options. The MODE button typically selects an option or enters a submenu, while the POWER button often acts as a back or exit function.
Key settings include:
- تاريخ فارميٽ: Adjust how the date is displayed.
- وقت: موجوده وقت مقرر ڪريو.
- حفاظتي عنصر: Configure the decompression algorithm to Conservative, Normal, or Aggressive based on your preference and dive plan.
- Nitrox Settings: For Nitrox diving, set the oxygen percentagاي (21٪ کان 56٪).
3.3. Dive Log
The CR4 stores over 200 dive logs. You can access these logs to review past dive data, including dive time, maximum depth, temperature, and more. Dive logs and residual nitrogen can be reset as needed.
4. سار سنڀال
4.1. عام سنڀال
- Rinse the dive computer with fresh water after every dive to remove salt, sand, and other debris.
- Dry the device thoroughly with a soft cloth before storing.
- ڊگھي عرصي تائين ڊيوائس کي انتهائي گرمي پد يا سڌي سج جي روشنيءَ کي بي نقاب ڪرڻ کان پاسو ڪريو.
- The bezel and buttons are made of 316 stainless steel, and the lens is K1 tempered glass, offering good resistance to wear and corrosion.
4.2. بيٽري جي سنڀال
- Charge the battery regularly, even if not diving frequently, to maintain battery health.
- The battery has a life of approximately 25 dives with the backlight on, or up to 3 months in standby mode.
- گهڻي عرصي تائين بيٽري کي مڪمل طور تي ختم ڪرڻ کان پاسو ڪريو.
5. مسئلا حل ڪرڻ
If you encounter issues with your CREST CR4, consider the following:
- ڊوائيس چالو نه آهي: Ensure the battery is sufficiently charged. Connect to the charger and check for charging indication.
- ڊسپلي مسئلا: جيڪڏهن ڊسپلي مدھم آهي يا جواب نه ڏئي رهي آهي، ته ڊوائيس کي ري چارج ڪرڻ جي ڪوشش ڪريو. جيڪڏهن مسئلو برقرار رهي، ته ڪسٽمر سپورٽ سان رابطو ڪريو.
- غلط پڙهڻ: Ensure the device is properly calibrated and settings (e.g., Nitrox percentage, safety factor) are correctly configured for your dive.
- بٽڻ غير جوابده: Ensure no debris is lodged around the buttons. Rinse thoroughly with fresh water.
- Data synchronization issues: Check the connection to your computer or mobile device. Ensure any required software or apps are up to date.
For persistent problems, refer to the official CREST support resources.
6. وضاحتون
| خاصيت | تفصيل |
|---|---|
| Operating Depth Limit | 100 ميٽر / 330 فوٽ |
| گھڻن موڊس | Scuba, Gauge, Apnea Mode |
| Air and Nitrox | Oxygen 21%~56% |
| الگورتھم | Buehlmann ZH-L16C |
| حفاظتي فيڪٽر | Conservative, Normal, Aggressive |
| بيٽري جو قسم | Rechargeable Lithium-ion جي بيٽري |
| بيٽري جي زندگي (ڊائيو موڊ) | 25 dives with backlight on |
| Battery Life (Standby Mode) | 3 مهينن تائين |
| Dive Log Storage | 200+ |
| اسڪرين جي قرارداد | 110 x 110 PIXEL |
| ڊسپلي سائيز | 2.9 سينٽي / 1.14 انچ |
| وزن | 95g ± 5g |
| Bezel and Button | 316 اسٽينلیس سٹیل |
| لينس | K1 Tempered Glass |
| پٽي | 22MM Anti-allergic Silicone |
| ڏيکاريل درجه حرارت | 0°C ~ 40°C (32°F ~ 104°F) |
| آپريٽنگ جي درجه حرارت | -5 ° C ~ 40 ° C (23 ° F ~ 104 ° F) |
7. استعمال ڪندڙ ٽوٽڪا
Based on general user experiences with dive computers:
- Always perform a pre-dive check of your computer's battery level and settings.
- Familiarize yourself with the menu navigation on land before your dive.
- Consider setting the safety factor to 'Conservative' for added safety, especially when diving in unfamiliar conditions or after a long break.
- Regularly sync your dive logs to a computer or mobile device to keep a record of your dives and free up device memory.
نوٽ: ڪو به مخصوص استعمال ڪندڙ ٻيهر ناهيviews or Q&A were provided for product-specific tips.
8. وارنٽي ۽ سپورٽ
For warranty information, technical support, or service inquiries, please refer to the official CREST webسائيٽ تي وڃو يا پنهنجي مجاز ڊيلر سان رابطو ڪريو. وارنٽي دعوائن لاءِ خريداري جو ثبوت رکو.
