BOTHSTAR YJ42
សៀវភៅណែនាំអ្នកប្រើប្រាស់
Double Sided Keyless Door Knob Lock with Fingerprint and Keypad
Brand: BOTHSTAR | Model: YJ42
1. សេចក្តីផ្តើម
Thank you for choosing the BOTHSTAR Double Sided Keyless Door Knob Lock. This advanced smart lock provides secure and convenient access control for both interior and exterior doors. With multiple unlocking methods including fingerprint, keypad code, and traditional key, it offers enhanced security and flexibility for homes, offices, and various other settings. This manual will guide you through the installation, setup, operation, and maintenance of your new smart doorknob.

Figure 1.1: BOTHSTAR Double Sided Keyless Door Knob Lock (Satin Nickel)
2. ព័ត៌មានសុវត្ថិភាពសំខាន់ៗ
- សូមអានការណែនាំទាំងអស់ដោយប្រុងប្រយ័ត្នមុនពេលដំឡើង និងប្រើប្រាស់។
- កុំព្យាយាមរុះរើ ឬកែប្រែសោ។ នេះអាចបណ្តាលឱ្យខូចខាត និងធ្វើឱ្យការធានាមិនមានសុពលភាព។
- ទុកកូនសោបម្រុងនៅទីតាំងសុវត្ថិភាពនៅខាងក្រៅអចលនទ្រព្យ។
- Ensure proper battery installation and replace batteries when the low battery voice prompt is activated.
- This product is designed for specific door thickness and backset. Verify compatibility before installation.
- While the lock is IPX6 waterproof, avoid prolonged submersion or direct high-pressure water spray.
3. មាតិកាកញ្ចប់
Carefully unpack the box and ensure all components are present and in good condition. If any items are missing or damaged, please contact customer support.

Figure 3.1: What's in the box?
- Double Sided Fingerprint Door Knob (Exterior)
- Double Sided Fingerprint Door Knob (Interior)
- Adjustable Latch (2-3/8" or 2-3/4")
- ចានធ្វើកូដកម្ម
- វីសម៉ោន និងផ្នែករឹង
- Physical Keys (Set of 4)
- គំរូតំឡើង
- សៀវភៅណែនាំអ្នកប្រើប្រាស់
4. ការណែនាំតំឡើង
មុនពេលចាប់ផ្តើមដំឡើង ត្រូវប្រាកដថាទ្វាររបស់អ្នកបំពេញតាមលក្ខណៈបច្ចេកទេសដូចខាងក្រោម៖
- Door Thickness: 1-1/4" to 3-7/8" (32mm to 98mm)
- Backset: Adjustable for 2-3/8" (60mm) or 2-3/4" (70mm)

Figure 4.1: Door thickness and latch dimensions
ជំហានដំឡើង៖
- រៀបចំទ្វារ៖ If replacing an existing lock, remove it. Use the provided template to mark and drill holes if installing on a new door.
- ដំឡើង Latch: Insert the latch into the door edge. Ensure the latch bolt faces the correct direction (slanted side towards the door frame). Secure with screws.
- ដំឡើងប៊ូតុងខាងក្រៅ៖ Feed the cable from the exterior knob through the door hole. Align the knob with the latch and secure it.
- ដំឡើងប៊ូតុងខាងក្នុង៖ Connect the cable from the exterior knob to the interior knob. Align the interior knob with the mounting plate and secure it with screws.
- បញ្ចូលថ្ម៖ Open the battery cover on the interior knob and insert 4 AAA batteries (not included), ensuring correct polarity.
- ប្រតិបត្តិការសាកល្បង៖ After installation, test the mechanical operation of the latch and knobs.
៥. ការដំឡើងដំបូង និងការសរសេរកម្មវិធី
The BOTHSTAR smart lock offers multiple functions for enhanced security and convenience.

Figure 5.1: Multi-function & Security Features
5.1 Adding Fingerprints (Up to 100)
- Press the 'Set' button on the interior knob. The lock will prompt for administrator fingerprint.
- Place your finger on the fingerprint sensor. The lock will beep and prompt you to lift and place your finger multiple times for a complete scan.
- Once successfully registered, the lock will confirm with a voice prompt.
- ធ្វើម្តងទៀតសម្រាប់ស្នាមម្រាមដៃបន្ថែម។
5.2 Adding User Codes (Up to 50)
- Press the 'Set' button. Enter the administrator code (default is 123456) followed by '#'.
- Press '1' to add a user code.
- Enter your desired 6-10 digit user code, then press '#'.
- Re-enter the same user code and press '#' to confirm.
- The lock will confirm successful addition.
5.3 Setting Auto-Lock Function
The auto-lock feature can be set to automatically lock the door after a specified delay (2 seconds to 12 hours).
- Press the 'Set' button. Enter the administrator code followed by '#'.
- Press '3' to enter auto-lock settings.
- Enter the desired delay time in seconds (e.g., '5' for 5 seconds) or hours (e.g., '12H' for 12 hours), then press '#'.
- The lock will confirm the setting.
6. ប្រតិបត្តិការ
The BOTHSTAR smart lock provides convenient access from both sides of the door.

Figure 6.1: Double-sided access with multiple unlock methods
6.1 ការដោះសោដោយប្រើស្នាមម្រាមដៃ
- ដាក់ម្រាមដៃដែលបានចុះឈ្មោះនៅលើឧបករណ៍ចាប់សញ្ញាស្នាមម្រាមដៃ។
- The lock will verify the fingerprint (approx. 0.25s) and unlock.
- បង្វិលកូនសោដើម្បីបើកទ្វារ។
6.2 Unlocking with Keypad Code
- Enter a registered user code on the keypad.
- ចុចគ្រាប់ចុច '#'។
- The lock will verify the code and unlock.
- បង្វិលកូនសោដើម្បីបើកទ្វារ។
6.3 ការដោះសោដោយប្រើ Physical Key
- Insert the physical key into the keyhole.
- បើកសោដើម្បីដោះសោទ្វារ។
- បង្វិលកូនសោដើម្បីបើកទ្វារ។
៧ ចាក់សោរទ្វារ
- ចាក់សោដោយស្វ័យប្រវត្តិ៖ If auto-lock is enabled, the door will lock automatically after the set delay once closed.
- ការចាក់សោដោយដៃ៖ Press and hold the '#' key on the keypad for 2 seconds to manually lock the door.
7. ការថែទាំ
7.1 ការជំនួសថ្ម
- The lock will provide a voice prompt when batteries are low.
- Open the battery cover on the interior knob.
- Replace all 4 AAA batteries with new, high-quality alkaline batteries. Ensure correct polarity.
- In case of completely dead batteries, the lock can be temporarily powered via a 5V USB-C cord for emergency access.
7.2 ការសម្អាត
- Clean the lock surface with a soft, damp ក្រណាត់។
- កុំប្រើឧបករណ៍សម្អាតសំណឹក សារធាតុរំលាយ ឬសារធាតុគីមីខ្លាំង ព្រោះសារធាតុទាំងនេះអាចធ្វើឱ្យខូចដល់ការបញ្ចប់ និងសមាសធាតុអេឡិចត្រូនិច។
- រក្សាឧបករណ៍ចាប់ស្នាមម្រាមដៃឱ្យស្អាត និងស្ងួត ដើម្បីទទួលបានដំណើរការល្អបំផុត។
8. ការដោះស្រាយបញ្ហា
| បញ្ហា | មូលហេតុដែលអាចកើតមាន | ដំណោះស្រាយ |
|---|---|---|
| ចាក់សោមិនឆ្លើយតបទេ។ | ថ្មងាប់។ | Replace batteries. Use USB-C for emergency power. |
| មិនស្គាល់ស្នាមម្រាមដៃទេ។ | Finger is wet/dirty, sensor is dirty, or fingerprint not registered correctly. | Clean finger and sensor. Re-register fingerprint if necessary. |
| លេខកូដក្តារចុចមិនដំណើរការទេ។ | Incorrect code entered, code not registered, or keypad malfunction. | Verify code. Re-register code. Check for keypad damage. |
| ការចាក់សោមិនចាក់សោដោយស្វ័យប្រវត្តិទេ។ | Auto-lock feature disabled or incorrect delay set. | Check auto-lock settings and enable/adjust as needed. |
| ការចាក់សោធ្វើឱ្យមានសំលេងរំខានមិនធម្មតា។ | Mechanical obstruction or internal issue. | Check for obstructions around the latch. If problem persists, contact support. |
៣.៣. លក្ខណៈបច្ចេកទេសផលិតផល
| លក្ខណៈ | ការបញ្ជាក់ |
|---|---|
| ម៉ាក | ទាំងផ្កាយ |
| ឈ្មោះម៉ូដែល | YJ42 LOCK |
| ប្រភេទចាក់សោ | ចាក់សោរួមបញ្ចូលគ្នា |
| លក្ខណៈពិសេស | Double sided fingerprint, Double sided keypad |
| សម្ភារៈ | Zinc Alloy, Metal Handle |
| ពណ៌ | នីកែល Satin |
| វិមាត្រផលិតផល | 8 x 4 x 4 អ៊ីញ |
| ទំងន់ធាតុ | 3.58 ផោន (1.63 គីឡូក្រាម) |
| ភាពឆបគ្នានៃកម្រាស់ទ្វារ | 1-1/4" to 3-7/8" |
| Latch Bolt Specifications | 2-3/8" or 2-3/4" adjustable |
| ប្រភពថាមពល | ថ្ម 4 x AAA (មិនរួមបញ្ចូល) |
| ថាមពលសង្គ្រោះបន្ទាន់ | 5V USB-C |
| ការវាយតម្លៃមិនជ្រាបទឹក។ | IPX6 |
| សីតុណ្ហភាពប្រតិបត្តិការ | -22°F ដល់ +176°F (-30°C ដល់ +80°C) |
| សមត្ថភាពស្នាមម្រាមដៃ | 100 |
| សមត្ថភាពកូដអ្នកប្រើប្រាស់ | 50 |
10. ការធានា និងការគាំទ្រ
BOTHSTAR provides a comprehensive warranty and dedicated customer support for your smart lock.
ព័ត៌មានធានា៖
- ការជំនួសដោយឥតគិតថ្លៃ៖ Enjoy a free replacement for your product within 1 year from the date of purchase.
- Lifetime After-Sales Customer Service: We are committed to providing support for the lifetime of your product.
ជំនួយបច្ចេកទេស៖
For any technical assistance, troubleshooting, or warranty claims, please contact our 24/7 online technical support. Refer to the contact information provided on the product packaging or the official BOTHSTAR webគេហទំព័រ។
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.