1. บทนำ
Thank you for choosing the Relacart UR-222S 1-Channel UHF Wireless Microphone System. This manual provides detailed instructions to help you set up, operate, and maintain your system for optimal performance. Please read this manual thoroughly before using the product.
The Relacart UR-222S is a professional-grade wireless microphone system featuring True Diversity technology for reliable signal reception and a robust aluminum construction. It is ideal for various applications requiring high-quality wireless audio.
Figure 1.1: Relacart UR-222S Wireless Microphone System, showing the receiver, handheld microphone, and antennas.
2. เนื้อหาบรรจุภัณฑ์
- UR-222S True Diversity Receiver
- ไมโครโฟนไร้สายแบบใช้มือถือ
- 2 x Detachable BNC Antennas
- Power Adapter (12V DC, 500mA)
- สายสัญญาณเสียงแจ็ค 6.3 มม.
- ขายึดตู้แร็ค
- กระเป๋าใส่ของ
- คู่มือการใช้งาน (เอกสารนี้)
Figure 2.1: The practical carrying bag included with the Relacart UR-222S system, designed for easy transport and storage of all components.
3. การตั้งค่า
3.1 การเชื่อมต่อตัวรับ
- เชื่อมต่อเสาอากาศ: Screw the two BNC antennas onto the ANTENNA A and ANTENNA B connectors on the rear panel of the receiver. Ensure they are securely tightened.
- เอาต์พุตเสียง: Connect the receiver's AUDIO OUTPUT (XLR or 6.3mm jack) to your mixer, amplifier, or audio interface using the provided jack cable or a suitable XLR cable (not included).
- แหล่งจ่ายไฟ: Connect the included power adapter to the 12V DC input on the receiver's rear panel, then plug the adapter into a suitable AC power outlet (100-240V AC, 50/60 Hz).
Figure 3.1: Rear panel of the Relacart UR-222S receiver, showing the antenna inputs (BNC), audio outputs (XLR and 6.3mm jack), and power input.
3.2 การตั้งค่าไมโครโฟน
- ติดตั้งแบตเตอรี่: Unscrew the bottom part of the handheld microphone to access the battery compartment. Insert two fresh AA batteries, ensuring correct polarity.
- เปิดเครื่อง: Press and hold the power button on the microphone to turn it on. The microphone's display will illuminate.
3.3 Initial Power On and Synchronization
- เปิดเครื่องรับ: Press the power button on the front panel of the UR-222S receiver. The LCD display will light up.
- Automatic Frequency Search (AFS): The receiver features AFS to find clear, interference-free channels. Refer to the operating section for detailed instructions on initiating AFS.
- Infrared Synchronization: Once a clear frequency is selected on the receiver, align the infrared port on the microphone with the IR sensor on the receiver. Press the SYNC button on the receiver (or follow specific instructions for your model) to quickly and accurately synchronize the microphone to the receiver's frequency. The microphone's display should show the synchronized frequency.
Figure 3.2: The Relacart UR-222S receiver with antennas extended and the handheld microphone, ready for operation.
4. คู่มือการใช้งาน
4.1 Receiver Display Information
The LCD display on the receiver provides real-time status information:
- ความถี่: Displays the current operating frequency in MHz.
- ระดับ RF: Indicates the strength of the radio frequency signal received from the microphone.
- AF Level: Shows the audio frequency level being received.
- Antenna A/B: Indicates which antenna (A or B) is actively receiving the signal, demonstrating the True Diversity function.
- Microphone Battery Indicator: Displays the remaining battery life of the connected microphone.
4.2 การเลือกความถี่และการซิงโครไนซ์
The UR-222S offers 10 groups with 90 frequencies. To change the operating frequency:
- Automatic Frequency Search (AFS): Press the AFS button (or navigate through the menu) on the receiver. The system will scan for and select the clearest available frequency.
- การเลือกความถี่ด้วยตนเอง: Use the navigation buttons on the receiver to manually select a desired frequency within the available groups.
- Synchronize Microphone: After selecting a frequency on the receiver, activate the infrared synchronization function (usually by pressing a SYNC button) and align the microphone's IR port with the receiver's IR sensor. The microphone will automatically update to the new frequency.
4.3 ช่วงการทำงาน
The system has a line-of-sight operating range of approximately 80 meters (260 feet). Obstacles, walls, and other wireless devices can reduce this range. For optimal performance, maintain a clear line of sight between the microphone and the receiver.
5. การบำรุงรักษา
5.1 การทำความสะอาด
Wipe the receiver and microphone with a soft, dry cloth. Do not use liquid cleaners, solvents, or abrasive materials, as they may damage the finish or internal components.
5.2 การเปลี่ยนแบตเตอรี่
When the microphone's battery indicator shows low power, replace the batteries immediately to avoid interruption during use. Always use fresh, high-quality AA batteries.
5.3 พื้นที่จัดเก็บ
When not in use for extended periods, store the system in its carrying bag in a cool, dry place, away from direct sunlight and extreme temperatures. Remove batteries from the microphone before long-term storage to prevent leakage.
6 การแก้ไขปัญหา
| ปัญหา | สาเหตุที่เป็นไปได้ | สารละลาย |
|---|---|---|
| ไม่มีเสียงจากเครื่องรับสัญญาณ | Microphone off; low microphone battery; receiver off; incorrect frequency; audio cable disconnected; mixer/amp input issue. | Ensure microphone and receiver are on; replace microphone batteries; check frequency match; verify audio cable connections; check mixer/amp การตั้งค่า. |
| สัญญาณรบกวนหรือไฟฟ้าสถิต | Other wireless devices on same frequency; too far from receiver; obstacles blocking signal. | Perform AFS to find a clear frequency; reduce distance between microphone and receiver; ensure clear line of sight. |
| ช่วงการทำงานสั้น | Antennas not properly connected/positioned; environmental interference; low microphone battery. | Ensure antennas are securely connected and extended; avoid placing receiver near metal objects or other electronics; replace microphone batteries. |
| Microphone not synchronizing | IR ports not aligned; synchronization process not initiated correctly. | Ensure IR ports are closely aligned; re-initiate synchronization process as per manual. |
7. ข้อมูลจำเพาะ
| คุณสมบัติ | ข้อมูลจำเพาะ |
|---|---|
| ประเภทของระบบ | True Diversity, 1 Channel UHF Wireless Microphone System |
| ช่วงความถี่ | UHF 823-832 MHz and 863-865 MHz (Duplex Gap) |
| Frequency Groups/Channels | 10 groups with 90 frequencies |
| การสลับแบนด์วิธ | สูงสุดถึง 11 เมกะเฮิรตซ์ |
| ความเบี่ยงเบนความถี่ | ± 45 กิโลเฮิร์ตซ์ |
| เสถียรภาพความถี่ | ± 0.0005% |
| วิธีการปรับเปลี่ยน | FM |
| ระยะการทำงาน | Approx. 80m (line of sight) |
| การตอบสนองความถี่ | 45 Hz - 18 kHz (± 3 dB) |
| Receiver Audio Output | XLR, 6.3mm Jack |
| อินพุตเสาอากาศ | 2 x BNC (8V/150mA supply) |
| แหล่งจ่ายไฟ | 12V DC, 500mA (via 100-240V AC, 50/60 Hz adapter) |
| การใช้พลังงาน | 12 วัตต์ |
| ขนาดตัวรับ | 483 mm (rack mountable) |
| วัสดุ | Aluminum (microphone and receiver body) |
| น้ำหนักสินค้า | 2.3 กิโลกรัม |
8. การรับประกันและการสนับสนุน
8.1 ข้อมูลการรับประกัน
Specific warranty details for the Relacart UR-222S system are not provided in this manual. Please refer to the warranty card included with your product or contact your point of purchase for information regarding warranty coverage and terms.
8.2 การสนับสนุนด้านเทคนิค
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact the retailer or the manufacturer's customer support. Have your product model number (UR-222S) and purchase details ready when contacting support.
