1. Pengenalan
The ELRO ARD51 Electronic Guard Dog is designed to enhance your home security by deterring potential intruders with realistic dog barking sounds. Utilizing advanced radar technology, this device detects movement through walls, doors, and windows, providing an effective and discreet security solution. It offers multiple sound options, including barking, an alarm, and a doorbell chime, with adjustable volume and detection range.

Image 1: The ELRO ARD51 Electronic Guard Dog unit.
2. Maklumat Keselamatan
- Baca semua arahan dengan teliti sebelum digunakan.
- Jangan dedahkan peranti kepada air atau kelembapan berlebihan.
- Use only the provided power adapter or specified batteries (8 x 1.5V AA).
- Jauhkan peranti daripada capaian kanak-kanak.
- The device can produce sounds up to 120 dB. Avoid prolonged exposure to high volume levels to prevent hearing damage.
- Jangan cuba membuka atau membaiki peranti sendiri. Rujuk semua servis kepada kakitangan yang berkelayakan.
3. Kandungan Pakej
Sila pastikan semua item ada dalam pakej:
- 1 x ELRO ARD51 Electronic Guard Dog Unit
- 1 x Power Adapter (1.5m cable)
- 1 x Security Sticker
- 1 x Manual Arahan
Note: 8 x 1.5V AA batteries are not included and must be purchased separately if battery operation is desired.
4. Persediaan
4.1 Menguasakan Peranti
The ELRO ARD51 can be powered by either the included AC adapter or 8 AA batteries.
- Menggunakan Penyesuai AC: Plug the small end of the adapter into the DC 12V input port on the back of the unit. Plug the other end into a standard wall outlet.
- Menggunakan Bateri: Open the battery compartment on the back of the unit. Insert 8 x 1.5V AA batteries, ensuring correct polarity (+/-). Close the battery compartment securely.

Imej 2: Belakang view of the ELRO ARD51, illustrating the battery compartment and power adapter connection.
4.2 Penempatan
For optimal performance, place the ELRO ARD51 in a discreet location near an exterior wall or door that you wish to monitor. The radar sensor can detect movement through various materials, including wood, concrete, and plastic, up to 18 cm thick.
- Position the unit where its detection field covers the desired area.
- Avoid placing it directly behind large metal objects, which may interfere with radar detection.

Imej 3: Cthample placement of the ELRO ARD51 in a home entryway.
4.3 Applying the Security Sticker
The included security sticker can be placed on a window or door to visually deter potential intruders, indicating the presence of a guard dog.
5. Mengendalikan Peranti
5.1 Hidupkan/Mati Kuasa
Tekan ke Hidup/Mati button located on the top of the unit to power the device on or off.
5.2 Selecting Sound Mode
The ELRO ARD51 offers three distinct sound modes:
- Barking Dog: Realistic 3D dog barking sound to simulate a guard dog.
- penggera: A loud siren sound for general security alerts.
- Doorbell (Ding-dong): A chime sound, useful for welcoming visitors in a retail or office setting.
Gunakan Pilih button on the top panel to cycle through these sound modes.
5.3 Melaraskan Kelantangan
The volume can be adjusted from 70 dB to a maximum of 120 dB. Use the Vol+ dan Jilid- buttons on the top panel to increase or decrease the sound level.
5.4 Adjusting Detection Range
The radar sensor's detection range is adjustable from approximately 9 to 16 meters. A switch inside the battery compartment allows you to set the sensitivity:
- Tinggi: Maximum detection range.
- Pertengahan: Medium detection range.
- Rendah: Minimum detection range.
To adjust, open the battery compartment and slide the switch to your desired setting.

Image 4: Range adjustment switch (High, Mid, Low) located within the battery compartment.

Image 5: Visual representation of the radar detection range at different settings.
6. Penyelenggaraan
- Pembersihan: Lap peranti dengan kain lembut dan kering. Jangan gunakan pembersih atau pelarut yang melelas.
- Penggantian Bateri: If using batteries, replace all 8 AA batteries simultaneously when the power indicator light dims or the device's performance decreases. Do not mix old and new batteries or different types of batteries.
- Storan: Jika menyimpan peranti untuk tempoh yang lama, tanggalkan bateri untuk mengelakkan kebocoran. Simpan di tempat yang sejuk dan kering.
7. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Peranti tidak dihidupkan. | No power, incorrect battery installation, or dead batteries. | Check AC adapter connection. If using batteries, ensure they are inserted correctly and are not depleted. Replace batteries if necessary. |
| Tiada bunyi atau bunyi yang lemah. | Kelantangan ditetapkan terlalu rendah. | Increase the volume using the Vol+ button. |
| Sensor tidak mengesan pergerakan. | Range setting too low, or obstruction. | Adjust the range switch to 'Mid' or 'High'. Ensure the unit is not behind extremely dense or metallic objects. |
| Penggera palsu. | Range setting too high, or environmental factors. | Adjust the range switch to 'Low' or 'Mid'. Reposition the unit to avoid detecting unwanted movement (e.g., from outside a property boundary). |
8. Spesifikasi
- model: ARD51
- Jenama: ELRO
- Voltage: 2.4 Volts (battery operation)
- Kaedah Kawalan: Butang Tekan
- Tahap Bunyi Maksimum: 120 Desibel
- Jenis Pemasangan: Lekap di dinding
- Julat Pengesanan Maksimum: 16 Meter
- Teknologi Sensor: Penderia Radar
- Pengeluar: ELRO Eropah
- Dimensi Produk (L x W x H): 15.2 x 10.2 x 15 cm
- Berat: 1.04 Kilogram
- Sumber Kuasa: AC/DC (Adapter included), 8 x 1.5V AA Alkaline Batteries (not included)
9. Maklumat Waranti
For detailed warranty terms and conditions, please refer to the official ELRO website or the warranty documentation included with your purchase. Keep your proof of purchase for any warranty claims.
10. Sokongan Pelanggan
Should you require technical assistance, have questions about your ELRO ARD51, or need further support, please visit the official ELRO website or contact their customer service department. Contact details can typically be found on the ELRO webtapak atau dalam pembungkusan produk.





