សៀវភៅណែនាំអ្នកប្រើប្រាស់ប្រព័ន្ធឧបករណ៍បំពងសម្លេងចល័តឥតខ្សែ Hotec Bluetooth

1. សេចក្តីផ្តើម

This manual provides comprehensive instructions for the safe and effective use of your Hotec Wireless Bluetooth Portable PA Speaker System, Model LR69Q68. Please read this manual thoroughly before operating the device and retain it for future reference. This system is designed for various audio amplification needs, including karaoke, public speaking, and music playback in both indoor and outdoor settings.

Figure 1: Hotec Wireless Bluetooth Portable PA Speaker System (Model LR69Q68) with included accessories.

2. តើមានអ្វីនៅក្នុងប្រអប់

Verify that all components are present and in good condition upon unboxing:

• One (1) Hotec Portable PA Speaker
• Two (2) UHF Handheld Wireless Microphones
• មួយ (1) ការបញ្ជាពីចម្ងាយ
• One (1) AUX Cable
• One (1) USB Charging Cable
• សៀវភៅណែនាំអ្នកប្រើប្រាស់មួយ (1) (ឯកសារនេះ)

Figure 2: Contents of the Hotec Wireless Bluetooth Portable PA Speaker System package.

3. ផលិតផលលើសview

៣.១ សមាសធាតុឧបករណ៍បំពងសម្លេង

The Hotec PA Speaker System features a robust audio design for clear and powerful sound output:

• ធ្វីតធ័រ៖ Two dedicated tweeters for crisp high-frequency sound.
• ឧបករណ៍បំពងសំឡេង៖ A powerful subwoofer for deep bass response.
• Bass Inverters: Designed to enhance and extend low-frequency output.

Figure 3: Internal audio components for enhanced sound quality.

3.2 ប្លង់ផ្ទាំងបញ្ជា

Familiarize yourself with the control panel for easy operation:

• MIC VOL Knob៖ កែតម្រូវកម្រិតសំឡេងរបស់មីក្រូហ្វូនដែលបានភ្ជាប់។
• ច្រកចូល MIC1/MIC2៖ 6.5mm and 3.5mm inputs for additional microphones or instruments.
• 5V/2A USB Charging Port: សម្រាប់សាកថ្មខាងក្នុងរបស់ឧបករណ៍បំពងសម្លេង។
• TF/USB Slots: For playing audio from TF cards or USB drives.
• ការបញ្ចូល AUX៖ រន្ធបញ្ចូលបន្ថែម 3.5mm សម្រាប់ឧបករណ៍អូឌីយ៉ូខាងក្រៅ។
• VOL/ Power Knob: Controls the main speaker volume and powers the unit on/off.
• ប៊ូតុងរបៀប (M)៖ Cycles through input modes (Bluetooth, USB, TF, AUX, FM).
• ប៊ូតុងលេង/ផ្អាក៖ គ្រប់គ្រងការចាក់មេឌៀ។
• ប៊ូតុងមុន/បន្ទាប់៖ រុករកតាមរយៈបទភ្លេង ឬស្ថានីយ៍ FM។
• ប៊ូតុង REC៖ Initiates recording when a USB/TF card is inserted and a microphone is active.
• ECHO Dial: Adjusts the echo effect for the microphones (located underneath the handle).

Figure 4: Detailed layout of the speaker's control panel.

4. រៀបចំ

4.1 ការសាកថ្មដំបូង

Before first use, fully charge the speaker's built-in 7.4V/3600mAh Li-ion battery. Connect the provided USB Charging Cable to the 5V/2A USB charging port on the speaker and to a compatible USB power adapter (not included). The charging indicator light will illuminate. A full charge typically takes approximately 4 hours.

Figure 5: Speaker charging via USB, demonstrating power bank capability.

៤.៥ ការដំឡើងថ្មមីក្រូហ្វូន

Each wireless microphone requires two (2) AA batteries (not included). Unscrew the bottom part of the microphone to access the battery compartment. Insert the batteries, ensuring correct polarity (+/-), then reattach the bottom part. The microphones will automatically connect to the speaker when powered on.

៥.៣ ការដំឡើងថ្មបញ្ជាពីចម្ងាយ

The remote control requires two (2) AAA batteries (not included). Open the battery compartment on the back of the remote and insert the batteries with correct polarity. Close the compartment securely.

5. សេចក្តីណែនាំប្រតិបត្តិការ

5.1 បើក/បិទថាមពល

បង្វិល VOL/ Power Knob clockwise to power on the speaker. Rotate counter-clockwise until it clicks to power off.

5.2 ការជ្រើសរើសរបៀប

ចុច ប៊ូតុងរបៀប (M) on the control panel or remote control to cycle through available input modes: Bluetooth, USB, TF Card, AUX, and FM Radio.

៤ ការភ្ជាប់ប៊្លូធូស

In Bluetooth mode, the speaker will automatically enter pairing mode. On your Bluetooth-enabled device (e.g., smartphone, tablet), search for "HOTEC" in the Bluetooth settings and select it to connect. A voice prompt will confirm successful pairing.

ការចាក់សារថ្មី 5.4 USB/TF Card

Insert a USB drive or TF card containing MP3 audio files into the respective slot. The speaker will automatically switch to USB/TF mode and begin playback. Use the លេង/ផ្អាក និង មុន/បន្ទាប់ ប៊ូតុងដើម្បីគ្រប់គ្រងការចាក់សារថ្មី។

5.5 ការបញ្ចូល AUX

Connect an external audio device (e.g., MP3 player, computer) to the ការបញ្ចូលអេចអរ using the provided 3.5mm AUX cable. Select AUX mode using the ប៊ូតុងរបៀប (M). Audio will play through the speaker.

ប្រតិបត្តិការវិទ្យុ FM 5.6

In FM mode, the speaker will automatically scan and save available radio stations. Use the មុន/បន្ទាប់ ប៊ូតុងដើម្បីរុករករវាងស្ថានីយ៍ដែលបានរក្សាទុក។

5.7 ការប្រើប្រាស់មីក្រូហ្វូន

Turn on the wireless microphones. They will automatically connect to the speaker. Adjust microphone volume using the MIC VOL Knob. For enhanced vocal effects, rotate the ECHO Dial (located under the handle) to add or reduce echo. Additional wired microphones can be connected to the MIC1/MIC2 Inputs.

6. ការថែទាំ

6.1 ការសម្អាត

Wipe the speaker and microphones with a soft, dry cloth. Do not use abrasive cleaners or solvents. Avoid exposing the device to excessive moisture.

6.2 ការថែទាំថ្ម

To prolong battery life, fully charge the speaker before long periods of inactivity. If the speaker will not be used for an extended time, charge it every 3 months. Remove batteries from microphones and remote control if not in use for prolonged periods to prevent leakage.

6.3 ការផ្ទុក

ទុកឧបករណ៍ក្នុងកន្លែងត្រជាក់ និងស្ងួតឆ្ងាយពីពន្លឺព្រះអាទិត្យដោយផ្ទាល់ និងសីតុណ្ហភាពខ្លាំង។

7. ការដោះស្រាយបញ្ហា

8. លក្ខណៈបច្ចេកទេស

Figure 6: Product dimensions for the speaker and microphones.

9. ការធានា និងការគាំទ្រ

For warranty information and customer support, please refer to the documentation included with your purchase or visit the official HOTEC brand store. Contact information for technical assistance and service requests can typically be found on the product packaging or the brand's official webគេហទំព័រ។

10. វីដេអូផលិតផល

No official seller-created product videos are available for embedding in this manual. Please refer to the written instructions and diagrams for guidance.