1. Sarrera
This manual provides instructions for the installation, operation, and maintenance of your Byron DBY-21131 DB131 Wireless Doorbell Kit. This kit includes a portable, battery-powered chime unit and a weather-resistant bell push. It offers a wireless range of up to 100 meters, 36 selectable melodies, and 4 adjustable volume levels.

Image 1.1: The Byron DBY-21131 DB131 Wireless Doorbell Kit, featuring the chime unit and bell push.
2. Paketearen edukia
Ziurtatu elementu guztiak paketean daudela:
- 1x Haririk gabeko Txirrina Unitatea
- 1x Bell Push Unit
- 1x CR2032 Battery (for bell push)
- Bi aldeetako itsasgarrizko zinta
- Erabiltzailearen eskuliburua
Oharra: Three AAA/LR6 batteries for the chime unit are ez dago barne eta bereiz erosi behar dira.
3. Segurtasun informazioa
- Mantendu bateriak haurren eskura.
- Ez nahastu bateria zaharrak eta berriak, edo bateria mota desberdinak.
- Bota erabilitako bateriak tokiko araudiaren arabera.
- Do not expose the chime unit to excessive moisture or direct water spray. The bell push is weather-resistant (IP44), but avoid submerging it.
- Do not attempt to open or repair the units yourself. Refer to qualified personnel for service.
4. Konfigurazioa
4.1. Bell Push Battery Installation
- Carefully open the bell push unit.
- Insert the included CR2032 battery, ensuring the correct polarity (+/-).
- Close the bell push unit securely.
4.2. Chime Unit Battery Installation
- Open the battery compartment on the back of the chime unit.
- Insert three AAA/LR6 batteries (not included), observing the correct polarity (+/-).
- Itxi bateriaren konpartimenduaren estalkia.

4.1. irudia: Atzekoa view of the chime unit and bell push, indicating battery compartments and mounting options.
4.3. Mounting the Bell Push
The bell push can be mounted using the supplied double-sided adhesive tape or screws (not included).
- Zinta itsasgarria: Clean the desired mounting surface thoroughly. Apply the double-sided tape to the back of the bell push and firmly press it onto the surface.
- Torlojuak: Use appropriate screws (not included) to secure the bell push to the wall through the designated mounting holes.
Ensure the bell push is installed in a location where it is easily accessible to visitors and within the 100-meter wireless range of the chime unit.
5. Funtzionamendu-argibideak
5.1. Selecting Melodies
The chime unit offers 36 different melodies. To change the melody:
- Locate the melody selection button on the side of the chime unit.
- Press the button repeatedly to cycle through the available melodies. The chime will play each melody as you press the button.
- Stop pressing when you hear your desired melody. It will be saved automatically.
5.2. Bolumena doitzea
The chime unit has 4 adjustable volume levels (25%, 50%, 75%, 100% of maximum 80 dB). To adjust the volume:
- Locate the volume control button on the side of the chime unit.
- Press the button repeatedly to cycle through the volume levels.
- Stop pressing when you reach your desired volume level.

5.1 irudia: Albokoa view of the chime unit, highlighting the melody and volume control buttons.
5.3. Txirrina erabiltzea
Once installed and configured, simply press the bell push button to activate the chime unit. The chime unit will play the selected melody at the set volume level.

Image 5.2: A user pressing the bell push button.
5.4. Sistema zabaltzea
The Byron DBY-21131 system is expandable. You can connect additional Byron bell pushes to the same chime unit, or add extra chime units to work with your existing bell push(es). This allows for multiple entry points or chimes in different areas of your home. Different melodies can be assigned to individual bell pushes to distinguish between different doors (e.g., front door vs. back door).
6. Mantentzea
6.1. Bateria ordezkatzea
Replace batteries when the chime unit or bell push stops functioning or when the range decreases significantly.
- Bell Push: Replace the CR2032 battery as described in Section 4.1.
- Txirrina unitatea: Replace the three AAA/LR6 batteries as described in Section 4.2.
6.2. Garbiketa
Garbitu unitateak zapi leun eta lehor batekin. Ez erabili garbitzaile edo disolbatzaile urratzailerik.
7. Arazoak
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Chime does not sound when bell push is pressed. | Dead batteries in chime or bell push. Units out of range. Interferentzia. | Ordeztu bateriak bi unitateetan. Move chime closer to bell push. Relocate units away from large metal objects or other wireless devices. |
| Haririk gabeko irismen laburra. | Bateria baxuak. Oztopoak (horma lodiak, metalezko egiturak). Interferentzia. | Ordeztu bateriak. Unitateak lekuz aldatu oztopoak ahalik eta gehien murrizteko. Aldendu hari gabeko beste gailuetatik. |
| Chime sounds unexpectedly. | Beste haririk gabeko gailuen interferentziak. | Relocate the chime unit. |
8. Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Modelo zenbakia | DBY-21131 |
| Fabrikatzailea | Byron |
| Wireless Range | 100 metro arte (aire zabalean) |
| Doinuak | 36 hautagarriak |
| Bolumen-mailak | 4 (up to 80 dB) |
| Chime Power | 3 x AAA/LR6 bateria (ez dira barne hartzen) |
| Bell Push Power | 1 x CR2032 bateria (barne) |
| Bell Push IP Rating | IP44 (eguraldiarekiko erresistentea) |
| Product Dimensions (Chime) | Gutxi gorabehera. 9.3 x 6.52 x 3.08 cm |
| Produktuaren pisua | Gutxi gorabehera. 130 gramo |
| Kolorea | Zuria |
| Materiala | Plastikoa |
| Jatorrizko Herrialdea | Txina |
9. Bermea eta Laguntza
For warranty information or technical support, please refer to the contact details provided on the product packaging or the official Byron webgunea. Gorde erosketaren egiaztagiria bermearen erreklamazioetarako.