1. Okwu mmalite
Daalụ maka ịzụrụasing the Sharp GX-BT390 Crystal Clear Series Bluetooth Speaker. This portable speaker is designed to deliver high-quality audio with enhanced bass, featuring IP67 waterproof and dustproof capabilities, LED light modes, and True Wireless Stereo (TWS) pairing. This manual provides essential information for setup, operation, and maintenance to ensure optimal performance and longevity of your device.
2. Ihe ngwugwu
Biko lelee na ihe niile dị:
- Sharp GX-BT390 Bluetooth Speaker
- Ịchaji eriri (USB-C)
- Akwụkwọ ntuziaka onye ọrụ
3. Ngwaahịa gafereview
Familiarize yourself with the various parts of your Sharp GX-BT390 speaker.

Foto 3.1: N'ihu view of the Sharp GX-BT390 speaker, highlighting the control panel with volume buttons, play/pause, and power indicator.

Ọgụgụ 3.2: Azụ view of the Sharp GX-BT390 speaker, illustrating the sealed charging port and attachment points for the carrying strap.

Foto 3.3: Akụkụ view of the Sharp GX-BT390 speaker, showing the textured surface and the adjustable carrying strap.

Figure 3.4: The Sharp GX-BT390 speaker with its end cap illuminated, displaying the Sharp logo and an active LED light mode.
Njikwa na egosi:
- Bọtịnụ ike: Pịa ma jide ka ịgbanwuo/ gbanyụọ.
- Elu elu (+): Welie olu.
- Mpịakọta ọnụ (-): Belata olu.
- Bọtịnụ Kwụsị/Kwụsị: Play or pause music, answer/end calls.
- Bọtịnụ Njikọ Bluetooth: Malite ụdị njikọta Bluetooth.
- Ihe ngosi LED: Na-egosi ọkwa ike, ọkwa nchaji na ọkwa njikọ Bluetooth.
- Bọtịnụ Ọnọdụ ọkụ: Cycle through LED light modes.
4. Nhazi
4.1 Ịchaji ọkà okwu
- Open the protective cover on the back of the speaker to access the USB-C charging port.
- Jikọọ eriri USB-C enyere na ọdụ chaja nke ọkà okwu.
- Jikọọ nsọtụ nke ọzọ nke eriri USB-C na nkwụnye ọkụ USB dakọtara (anaghị etinye ya).
- The LED indicator will show charging status. A full charge typically takes approximately 3-4 hours.
- Once fully charged, disconnect the cable and securely close the protective cover to maintain IP67 water and dust resistance.
4.2 Gbanyụọ/ gbanyụọ
- Iji gbanye: Press and hold the Power button for approximately 2 seconds until you hear an audible tone and the LED indicator illuminates.
- Iji gbanyụọ: Press and hold the Power button for approximately 2 seconds until you hear an audible tone and the LED indicator turns off.
4.3 Njikọ Bluetooth
- Ensure the speaker is powered on and within 1 meter of your Bluetooth device.
- The speaker will automatically enter Bluetooth pairing mode when first powered on, or if no device is connected. The LED indicator will flash rapidly.
- Na ngwaọrụ Bluetooth gị (ama, mbadamba, wdg), mee ka Bluetooth rụọ ọrụ ma chọọ ngwaọrụ dị.
- Select "Sharp GX-BT390" from the list of devices.
- Once paired, you will hear a confirmation tone, and the LED indicator will glow solid blue.
- If pairing fails, turn off the speaker and your device, then repeat the steps.
5. Ntuziaka ọrụ
5.1 Nghaghachi egwu
- Gwuo/kwụsịtụ: Pịa bọtịnụ Play/kwụsịtụ otu ugboro.
- Olu elu: Pịa bọtịnụ '+'.
- Olu ala: Pịa bọtịnụ '-'.
- Track na-esote: Pịa ma jide bọtịnụ '+'.
- Gara aga Track: Pịa ma jide bọtịnụ '-'.
5.2 Oku na-enweghị aka
The Sharp GX-BT390 features a built-in microphone for hands-free calls when connected to your smartphone.
- Oku azaa: Pịa bọtịnụ Play/kwụsịtụ otu ugboro.
- Oku ngwụcha: Pịa bọtịnụ Play/kwụsịtụ otu ugboro n'oge oku.
- Jụ oku: Pịa ma jide bọtịnụ Play/kwụsịtụ maka sekọnd 2.
5.3 Ezi ikuku stereo (TWS) ijikọ
You can pair two Sharp GX-BT390 speakers together for a stereo sound experience.
- Ensure both GX-BT390 speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the Bluetooth pairing button for 3 seconds. You will hear a tone.
- The two speakers will automatically search for and connect to each other. Once connected, you will hear a confirmation tone.
- Now, connect your Bluetooth device to the primary speaker as described in section 4.3.
Ụdị ọkụ ọkụ 5.4 LED
The speaker features two LED mood lighting effects that synchronize with the music.
- Press the Light Mode button to cycle through the available light modes.
- Press the Light Mode button again to select the next mode or turn off the lights.

Nyocha 5.1: N'eluview of key features including hands-free calling, LED light effects, IP67 rating, 10-hour playtime, 30W power output, and Bluetooth connectivity.
6. Nlekọta
To ensure the longevity and performance of your Sharp GX-BT390 speaker, follow these maintenance guidelines:
- Nhicha: Jiri nwayọ hichaa ọkà okwu, damp akwa . Ejila ihe nchacha abrasive ma ọ bụ ihe mgbaze.
- Water and Dust Resistance (IP67): The speaker is rated IP67, meaning it is protected from dust ingress and can withstand immersion in water up to 1 meter for 30 minutes. Ensure the charging port cover is securely closed to maintain this rating. Avoid prolonged exposure to water or extreme conditions.
- Nchekwa: Chekwaa ọkà okwu n'ebe dị jụụ, kpọrọ nkụ na-adịghị na ìhè anyanwụ kpọmkwem na oke okpomọkụ.
- Nlekọta batrị: To preserve battery life, charge the speaker regularly, even if not in use for extended periods. Avoid fully discharging the battery frequently.

Figure 6.1: Visual representation of the speaker's IP67 waterproof and dustproof capabilities.
7. Nchọpụta nsogbu
Ọ bụrụ na ị na-enwe nsogbu na ọkà okwu gị, rụtụ aka na nsogbu na ngwọta ndị a na-emekarị:
| Nsogbu | Ihe nwere ike ime | Ngwọta |
|---|---|---|
| Ọkà okwu anaghị agba ọkụ | Batrị dị ala; bọtịnụ ike anaghị emetụ ogologo oge zuru oke | Charge the speaker; Press and hold the Power button for 2 seconds |
| Enweghị ụda | Volume too low; Device not paired; Speaker muted | Increase volume on speaker and device; Re-pair Bluetooth; Check device mute settings |
| Njikọ Bluetooth ada ada | Speaker too far from device; Device Bluetooth off; Interference | Ensure speaker is within 1 meter; Turn device Bluetooth on/off; Move away from other wireless devices |
| Ogo ụda adịghị mma | Low battery; Device too far; Obstructions | Charge speaker; Move device closer; Remove obstructions between speaker and device |
| Njikota TWS ada ada | Speakers not in pairing mode; Already connected to another device | Ensure both speakers are disconnected from other devices; Follow TWS pairing steps carefully |
8. Nkọwapụta
Detailed technical specifications for the Sharp GX-BT390 Bluetooth Speaker:
| Njirimara | Nkọwapụta |
|---|---|
| Aha Nlereanya | GX-BT390(K) |
| Ụdị Ọkà Okwu | N'èzí, Ọkà Okwu Bluetooth nwere ike ibugharị |
| Teknụzụ Njikọta | Bluetooth |
| Teknụzụ nzikọrịta ozi ikuku | Bluetooth |
| Ike Nwepu kacha elu | 60 Watts (30W RMS) |
| Ọnọdụ mmepụta ọdịyo | Stereo (with TWS pairing) |
| Atụmatụ pụrụ iche | Bass Boost, Built-in Microphone, Dustproof, LED Light, Lightweight |
| Ọkwa Nguzogide mmiri | IP67 (ihe na-egbochi mmiri na uzuzu uzuzu) |
| Isi Iyi Ike | Akwadoro batrị (1 batrị lithium ion gụnyere) |
| Ndụ batrị | Ruo awa iri abụọ |
| Oke kacha | 33 ụkwụ (10 mita) |
| Usoro njikwa | Pịa bọtịnụ |
| Akụkụ ngwaahịa | 4"D x 8.5"W x 4"H (10.16 cm D x 21.59 cm W x 10.16 cm H) |
| Ibu Ibu | 1.75 pounds (28 Ounces) |

Figure 8.1: Internal component diagram illustrating the speaker drivers responsible for 30-watt rich bass and powerful sound.
9. Akwụkwọ ikike na nkwado
The Sharp GX-BT390 Bluetooth Speaker comes with a Limited Warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support or service inquiries, please contact Sharp customer service through their official websaịtị ma ọ bụ ozi kọntaktị enyere na akwụkwọ ngwaahịa gị.





