Bubuka
Thank you for choosing the PRUNUS J-157 Portable AM/FM Radio. This compact and versatile device offers AM/FM radio reception, an alarm clock, sleep timer, LED flashlight, and an SOS function for emergencies. Please read this manual carefully to ensure proper use and to maximize your listening experience.
Produk Leuwihview sareng Diménsi
The PRUNUS J-157 is designed for portability and ease of use. Its compact size allows it to fit comfortably in a pocket or handbag.

Image: PRUNUS J-157 radio with dimensions. The radio measures 78mm (3.07in) in height, 54mm (2.12in) in width, and 17mm (0.66in) in thickness, weighing 56g (0.12 lb) without batteries. It is shown next to a credit card for size comparison.
Disetél
1. Pamasangan batré
The PRUNUS J-157 requires 2 AAA batteries (not included). To install:
- Teangan tempat panutup kompartemen batré dina tonggong radio.
- Geser panutupna muka.
- Selapkeun 2 batré AAA, mastikeun polaritasna bener (+ jeung -).
- Tutup panutup kompartemen batré aman.
2. Antenna for Reception
The radio features a hidden antenna. For improved FM reception, plug in earphones (not included) into the 3.5mm audio jack. The earphone cable will act as an external antenna.

Image: A hand holding the PRUNUS J-157 radio with earphones plugged in. The image highlights that the radio has a hidden antenna and that plugging in earphones improves reception by using the earphone cable as an antenna.
Parentah Operasi
1. Daya Hurung / Pareum
- Pencét éta Kakuatan button (usually marked with a circle and vertical line) to turn the radio on or off.
2. Volume Control
- Ngagunakeun éta UP jeung TURUN tombol pikeun ngaluyukeun tingkat polumeu.
3. Switching Bands (AM/FM)
- Pencét éta AM/FM tombol pikeun pindah antara pita radio AM sareng FM.
4. Tuning and Presetting Stations
The radio supports both automatic and manual station searching and saving.

Image: PRUNUS J-157 radio display showing '01' for a preset station, with buttons for SCAN, PRESET, M+, and M- highlighted.
Automatic Search and Save:
- Pencét panjang SCAN button. The radio will automatically search for available AM or FM channels and save them to preset memory locations.
Manual Preset:
- Tune to your desired station using the UP or TURUN kancing.
- Pencét panjang PRESET kancing.
- Ngagunakeun éta M+ or M- tombol pikeun milih nomer prasetél nu dipikahoyong.
- Pencét éta PRESET tombol deui pikeun ngonfirmasi tur nyimpen éta stasiun.
Nginget-nginget Préparasi:
- Pencét sakeudeung PRESET tombol pikeun ngagulung dina stasiun anu disimpen.
5. Lock Key Function
- To prevent accidental button presses, slide the Konci switch (usually on the side of the device) to the locked position. Slide it back to unlock.
Fitur husus
1. Digital Alarm Clock
The radio includes a 12/24-hour digital clock and an alarm function.

Image: PRUNUS J-157 radio display showing '10:43' time, with buttons for TIME.SET, AL.SET, M+, M-, and SLEEP highlighted.
Setélan waktos:
- Dina modeu standby, pencét lila WAKTU.SET kancing.
- Ngagunakeun éta M+ or M- tombol pikeun nyaluyukeun jam. Pencét WAKTU.SET pikeun mastikeun.
- Ngagunakeun éta M+ or M- tombol pikeun nyaluyukeun menit. Pencét WAKTU.SET pikeun mastikeun.
- To switch between 12/24-hour format, press the AM/FM tombol nalika nyetel waktos.
Setélan Alarm:
- Dina modeu standby, pencét lila AL.SET kancing.
- Ngagunakeun éta M+ or M- tombol pikeun nyaluyukeun jam alarm. Pencét AL.SET pikeun mastikeun.
- Ngagunakeun éta M+ or M- buttons to adjust the alarm minute. Press AL.SET pikeun mastikeun.
- Pikeun ngaktipkeun/nonaktipkeun alarm, pencét sakeudeung tombol AL.SET kancing. Ikon alarem bakal muncul / ngaleungit dina tampilan.
2. Timer Saré
Timer sare ngamungkinkeun radio otomatis pareum saatos periode anu disetél.

Image: PRUNUS J-157 radio on a bedside table, with the display showing '10:43'. Icons for sleep timer durations (10min, 15min, 30min, 45min, 60min, 90min) are shown below.
- While the radio is on, repeatedly press the SARE button to cycle through available sleep timer durations (e.g., 10, 15, 30, 45, 60, 90 minutes, or OFF).
- The selected duration will be displayed briefly. The radio will automatically turn off once the timer expires.
3. Senter LED
- To activate the built-in LED flashlight, press the dedicated Senter button (often located on the side or top of the radio). Press again to turn off.
4. Alarm SOS
The SOS alarm function provides an emergency signal with a loud sound and flashing light.

Image: PRUNUS J-157 radio with an SOS icon highlighted, superimposed over a background depicting a natural disaster scene, indicating its use in emergencies.
- To activate the SOS alarm, long press the SOS kancing.
- Pikeun nganonaktipkeun, pencét SOS tombol deui.
Pangropéa
1. beberesih
- Wipe the radio with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
2. Ngagantian batré
- Replace batteries when the display dims or audio quality deteriorates. Always use fresh AAA batteries.
3. Panyimpenan
- Upami nyimpen radio kanggo waktos anu lami, cabut batréna pikeun nyegah bocor.
- Nyimpen dina tiis, tempat garing jauh ti sinar panonpoé langsung jeung suhu ekstrim.
Pamérésan masalah
- Henteu aya kakuatan:
Ensure batteries are correctly installed and not depleted. Replace with new batteries if necessary. - Resepsi goréng:
Extend the earphone cable (if connected) or try repositioning the radio. Ensure you are not in an area with heavy interference. - Alarm teu disada:
Verify that the alarm time is set correctly and the alarm function is activated (alarm icon visible on display). Check volume level. - Tombol teu responsif:
Check if the Lock key is engaged. Slide it to the unlocked position.
spésifikasi
| merek | PRUNUS |
| Nomer modél | J-157 |
| Dimensi produk | 5.4 x 1.7 x 7.8 cm |
| Item Beurat | 113 g |
| Téhnologi Tuner | AM, FM |
| Rentang Frékuénsi FM | 87 - 108 MHz |
| Rentang Frékuénsi AM | 522 - 1620 KHz |
| Panganteur Hardware | 3.5mm Audio Jack |
| Fitur husus | Alarm, Sleep Timer, LED Flashlight, SOS Alarm |
| Tipe tampilan | LED |
| Sumber Daya | Batré Powered (2 batré AAA diperlukeun) |
Garansi sareng Rojongan
For any issues or support inquiries regarding your PRUNUS J-157 radio, please refer to the contact information provided with your purchase or visit the official PRUNUS website. Keep your purchase receipt for warranty purposes.





