1. Pendahuluan
Terima kasih sudah membeliasing the Generic YJ-5038 Triangular Wooden Alarm Clock. This device combines a modern aesthetic with practical features, including a digital time display, temperature and humidity readings, and an intelligent voice-control function. Please read this manual carefully to ensure proper use and to maximize the clock's functionality.
2. Produk Lebihview
2.1 Fitur Utama
- High-definition LED display.
- Digital temperature and humidity display.
- Intelligent voice-control function for display activation.
- Adjustable screen brightness (3 levels).
- Multiple power supply options (AAA batteries or USB cable).
- Three independent alarm settings.
- Power-saving mode.
- Zero radiation design.

Gambar 2.1: Lebihview of the clock's six main functions, including power saving, automatic brightness, temperature/humidity display, zero radiation, three alarms, and two power supply modes.
2.2 Komponen
The YJ-5038 alarm clock features a triangular wooden design with a hidden LED display. The back panel contains all control buttons and power inputs.

Gambar 2.2: Belakang view of the alarm clock, indicating the 'Set', 'Up', 'Down' buttons, Reset button, DC power supply hole, and battery compartments.
- Tombol ATUR: Used to enter setting modes (time, alarm, brightness).
- Tombol ATAS: Used to adjust values upwards or switch display modes.
- Tombol BAWAH: Used to adjust values downwards or activate/deactivate voice control.
- Tombol Atur ulang: Mengatur ulang jam ke pengaturan pabrik.
- DC Power Supply Hole: Untuk menghubungkan kabel daya USB.
- Kompartemen Baterai: Holds 4 x AAA batteries for portable power or backup.
3. Pengaturan
3.1 Menyalakan Perangkat
The YJ-5038 alarm clock can be powered in two ways:
- USB Cable (Recommended): Connect the provided USB cable to the DC power supply hole on the back of the clock and plug the other end into a USB power adapter (not included) or a powered USB port.
- Baterai AAA: Open the battery compartment cover on the back of the clock and insert 4 x AAA batteries (not included), ensuring correct polarity (+/-). Batteries are suitable for backup power or temporary use.
Note: Using both power sources simultaneously is safe. The clock will prioritize USB power when available.
4. Petunjuk Pengoperasian
4.1 Basic Display Modes
Tekan tombol UP button to cycle through display modes:
- Tampilan Waktu: Menunjukkan waktu saat ini.
- Tampilan Suhu/Kelembapan: Shows current temperature and relative humidity.
- Cycle Display: Alternates between time and temperature/humidity.

Figure 4.1: The clock displaying time, humidity percentage, and temperature in Celsius.
4.2 Pengaturan Waktu dan Tanggal
- Tekan dan tahan tombol MENGATUR button for 3 seconds to enter time setting mode. The year will flash.
- Gunakan UP or TURUN tombol untuk menyesuaikan tahun.
- Tekan MENGATUR again to move to month, then day, hour, and minute. Adjust each with UP or TURUN.
- Setelah mengatur menit, tekan MENGATUR untuk keluar.
4.3 Setting Alarms (A1, A2, A3)
Jam ini mendukung tiga alarm independen.
- Dari tampilan waktu normal, tekan tombol MENGATUR button repeatedly until 'A1' appears.
- Tekan dan tahan tombol MENGATUR Tekan tombol selama 3 detik. Jam alarm akan berkedip.
- Menggunakan UP or TURUN to set the alarm hour. Press MENGATUR.
- Menggunakan UP or TURUN to set the alarm minute. Press MENGATUR.
- Menggunakan UP or TURUN to enable ('ON') or disable ('--') the alarm. Press MENGATUR untuk mengonfirmasi.
- Repeat steps for A2 and A3 if desired.

Gambar 4.3: Rinci view of product keys, illustrating display mode switching, temperature unit conversion, voice control switch, and settings for three alarm groups (A1, A2, A3) and three brightness levels.
4.4 Menyesuaikan Kecerahan
The screen brightness can be adjusted manually in three levels.
- In normal time display, press and hold the UP tombol selama 3 detik.
- Gunakan UP or TURUN buttons to cycle through the 3 brightness levels.
- Lepaskan UP untuk mengonfirmasi pilihan Anda.
4.5 Voice Control Function
The voice control feature allows the display to turn on when a sound above 60dB is detected, then turn off after a short period to save power.
- To activate voice control, press the TURUN button. The display will show 'ON' or 'OFF' for voice control.
- Select 'ON' to enable voice control. The display will turn off after a few seconds.
- To activate the display, make a sound (e.g., clap hands, speak) near the clock.
- To deactivate voice control and keep the display continuously on, press the TURUN button again and select 'OFF'.

Figure 4.5: Explanation of the voice sensing feature. The display activates when sound levels exceed 60dB and remains off when sound is below 60dB.
4.6 Konversi Satuan Suhu
To switch between Celsius (°C) and Fahrenheit (°F) for temperature display:
- In temperature/humidity display mode, press the UP button briefly. The temperature unit will toggle between °C and °F.
5. Pemeliharaan
5.1 Pembersihan
To clean the clock, gently wipe the surface with a soft, dry cloth. Do not use abrasive cleaners, solvents, or spray directly onto the device, as this may damage the finish or internal components.
5.2 Penggantian Baterai
If using AAA batteries, replace all four batteries simultaneously when the display becomes dim or the clock functions erratically. Ensure correct polarity when inserting new batteries.
6. Penyelesaian masalah
- Display is off or dim:
- Check if the USB cable is securely connected or if AAA batteries are inserted correctly and have sufficient charge.
- Ensure voice control is not enabled if you expect a continuous display.
- Adjust brightness settings using the UP tombol. - Alarm tidak berbunyi:
- Verify that the alarm is set to 'ON' in the alarm settings (A1, A2, or A3).
- Check the alarm time to ensure it is correctly set. - Waktu atau tanggal salah:
- Re-enter the time and date settings as described in Section 4.2. - Kontrol suara tidak merespons:
- Ensure voice control is enabled ('ON').
- Make sure the sound source is close enough and loud enough (above 60dB) to trigger the sensor. - Clock is unresponsive:
- Tekan MENGATUR ULANG button on the back of the clock using a thin, pointed object (e.g., a paperclip). This will restore factory settings.
7. Spesifikasi
| Model | YJ-5038 |
| Tampilan Layar | Dioda Pemancar Cahaya (LED) |
| Jenis Tampilan | Digital (Figure) |
| Bahan | MDF + ABS + PVC |
| Catu Daya | 4 x AAA Cell (not included), USB Cable (included) |
| Kecerahan yang Dapat Disesuaikan | 3 Gigi |
| Dimensi (P x L x T) | 150 x 80 x 70 mm (5.91 x 3.15 x 2.76 inci) |
| Berat | 200g / 7.05 ons |

Figure 7.1: Physical dimensions of the YJ-5038 alarm clock, showing approximate measurements of 15cm length, 8cm width, and 7cm height.
8. Garansi dan Dukungan
Specific warranty information for the Generic YJ-5038 Triangular Wooden Alarm Clock is not provided in the product data. For any issues or support inquiries, please refer to the retailer or point of purchase. Keep your purchase receipt as proof of purchase.





