EXMAX EX-938

EXMAX EX-938 Wireless Headset Microphone Audio Tour Guide System

Panduan Pengguna

1. Pendahuluan

The EXMAX EX-938 is a UHF wireless audio transmission system designed for clear voice communication over distances up to 492 feet (150 meters). This system is ideal for applications requiring simultaneous interpretation, guided tours, church translation, teaching, and other scenarios where a speaker's voice needs to be transmitted clearly to multiple listeners. It features 11 selectable UHF channels, allowing multiple groups to operate simultaneously without interference. The system is powered by AA batteries, offering over 15 hours of working time, and its design facilitates easy battery replacement and air travel convenience.

EXMAX EX-938 Wireless Tour Guide System showing transmitter, receiver, headset microphone, and earphones with 492ft transmission range.

Gambar 1.1: Lebihview of the EXMAX EX-938 system, illustrating its components and effective transmission range of up to 492 feet (150 meters).

2. Isi Paket

Mohon periksa isi paket setelah diterima untuk memastikan semua barang lengkap:

  • 1 x EX-938T Transmitter
  • 20 x EX-938R Receivers
  • 1 x Mikrofon Headset
  • 1 x Mikrofon Jepit
  • 20 x Earphone
  • 1 x Audio Cable (3.5mm to 3.5mm)
  • 1 x Storage Case
  • 1 x Panduan Pengguna
Contents of the EXMAX EX-938-1T20R+Case package, including transmitter, receivers, microphones, earphones, audio cable, and storage case.

Gambar 2.1: All components included in the EXMAX EX-938-1T20R+Case package.

3. Produk Lebihview

The EXMAX EX-938 system consists of a transmitter (EX-938T) and multiple receivers (EX-938R). Both units feature a clear display and intuitive controls.

3.1 Transmitter (EX-938T)

  • MIC IN Jack: For connecting the headset or lapel microphone for voice input.
  • Jack AUX IN: For connecting external audio sources like MP3 players or smartphones.
  • Saklar daya: Menyalakan atau mematikan unit.
  • Tombol CH-/CH+: Adjusts the channel ID.
  • Menampilkan: Shows current channel ID, battery capacity, and signal icon.
  • TX Transmit Antenna: Untuk transmisi sinyal nirkabel.

3.2 Receiver (EX-938R)

  • Soket Keluaran Headphone: Untuk menghubungkan earphone.
  • Tombol Pengatur Volume: Controls the listening volume.
  • Saklar daya: Menyalakan atau mematikan unit.
  • Tombol CH-/CH+: Adjusts the channel ID.
  • Menampilkan: Shows current channel ID, battery capacity, and signal icon.
  • RX Receiving Antenna: Untuk penerimaan sinyal nirkabel.
Terperinci view of EXMAX EX-938 transmitter and receiver controls, including channel buttons, power switch, MIC IN, AUX IN, and headphone output.

Gambar 3.1: Detailed diagram of the EXMAX EX-938 transmitter and receiver, highlighting controls and input/output ports.

4. Petunjuk Penyiapan

Follow these steps to set up your EXMAX EX-938 system:

  1. Pasang Baterai: Open the battery compartment covers of both the transmitter and all receivers. Insert two AA batteries into each unit, ensuring correct polarity (+/-). The system is designed for easy battery replacement.
  2. Hubungkan Mikrofon ke Pemancar: Insert the microphone (headset or lapel) into the MIC DI port of the EX-938T transmitter.
  3. Connect Earphones to Receivers: Insert the earphones into the headphone output port of each EX-938R receiver.
  4. Nyalakan: Turn on both the transmitter and all receivers using their respective power switches.
  5. Pilih Saluran: Pada pemancar, tekan Bahasa Indonesia: CH- or Bahasa Indonesia: CH+ buttons to select a desired channel ID. Ensure all receivers are set to the same channel ID as the transmitter to receive the audio signal.
Step-by-step guide for quick setup of EXMAX EX-938, including battery installation, microphone/earphone connection, and channel adjustment.

Gambar 4.1: Visual guide for quick and easy setup of the EXMAX EX-938 system.

5. Petunjuk Pengoperasian

Once set up, the EXMAX EX-938 system is ready for operation:

  1. Basic Audio Transmission: The person speaking into the microphone connected to the transmitter will have their voice transmitted wirelessly. Listeners wearing earphones connected to receivers tuned to the same channel will hear the audio.
  2. Menggunakan Input AUX: To transmit audio from an external device (e.g., music from a CD/MP3 player), connect the device to the AUX IN jack on the transmitter using the provided audio cable. Penting: Do not mix up the AUX IN and MIC IN jacks, as this may result in noise or improper function.
  3. Penyesuaian Volume: On each receiver, use the volume adjustment knob to set a comfortable listening level.
  4. Multi-Group Operation: The system supports 11 selectable UHF channels, allowing up to 5 groups to work simultaneously without mutual interference. Each group should use a unique channel ID. For example, Group 1 uses Channel 01, Group 2 uses Channel 02, and so on.
Diagram illustrating multiple EXMAX EX-938 groups operating on different channels simultaneously.

Gambar 5.1: Illustration of multiple EXMAX EX-938 groups operating on separate channels.

Diagram showing the EXMAX EX-938 system flow from microphone/audio source to transmitter and receiver, with examples of applications like presentations, church translation, and guided tours.

Gambar 5.2: How the EX-938 system works and its various applications.

6. Pemeliharaan

Proper maintenance ensures the longevity and optimal performance of your EXMAX EX-938 system:

  • Penggantian Baterai: When the battery indicator on the display shows low power, replace the AA batteries promptly. The system is designed for easy access to the battery compartments.
  • Pembersihan: Use a soft, dry cloth to clean the exterior of the transmitter and receivers. Do not use liquid cleaners or solvents.
  • Penyimpanan: Store the system in the provided storage case in a cool, dry place when not in use. Remove batteries if storing for extended periods to prevent leakage.
  • Perawatan Antena: Handle the antennas carefully to avoid bending or breaking.
Close-up of EXMAX EX-938 unit showing AA battery compartment and battery life indicator.

Gambar 6.1: EXMAX EX-938 unit with open battery compartment, highlighting AA battery power and long working time.

7. Penyelesaian masalah

If you encounter issues with your EXMAX EX-938 system, refer to the following troubleshooting guide:

MasalahKemungkinan PenyebabLarutan
No sound from receivers
  • Receiver/Transmitter not powered on.
  • Baterai lemah.
  • Pemancar dan penerima pada saluran yang berbeda.
  • Earphone tidak terhubung dengan benar.
  • Microphone not properly connected to transmitter.
  • Pastikan kedua unit dihidupkan.
  • Replace AA batteries in both units.
  • Set transmitter and all receivers to the same channel ID.
  • Check earphone connection.
  • Check microphone connection to the MIC IN jack.
Poor sound quality or noise
  • Gangguan dari perangkat nirkabel lainnya.
  • Incorrect jack usage (e.g., microphone in AUX IN).
  • Baterai lemah.
  • Distance too far or obstacles.
  • Change to a different channel ID.
  • Ensure microphone is in MIC IN and external audio in AUX IN.
  • Ganti baterai.
  • Reduce distance between transmitter and receivers; minimize obstacles.
Jangkauan transmisi pendek
  • Baterai lemah.
  • Gangguan lingkungan.
  • Hambatan fisik.
  • Ganti baterai.
  • Change channel ID.
  • Ensure clear line of sight between transmitter and receivers.

If the problem persists after trying these solutions, please contact EXMAX customer support.

8. Spesifikasi

Key technical specifications for the EXMAX EX-938 system:

  • Nama Model: MANTAN-938
  • Merek: EXMAX
  • Teknologi Konektivitas: Bantu
  • Tipe Konektor: 3.5 mm Jack
  • Jumlah Saluran: 11 (UHF)
  • Jarak Transmisi: Hingga 492 kaki (150 meter)
  • Sumber Daya: Battery Powered (2 AA batteries required per unit)
  • Waktu Kerja: Over 15 hours (with fresh AA batteries)
  • Faktor Bentuk Mikrofon: Headset
  • Pola Kutub: searah
  • Sensitivitas Audio: 70 Desibel
  • Sinyal untuk rasio kebisingan: 45dB
  • Respon Frekuensi: 2000 Microhertz
  • Bahan: Styrene Butadiene Acrylonitrile
  • Dimensi Barang (P x L x T): 2.56x3.54x0.79 inci
  • Berat Barang: Approximately 4.8 Pounds (total system)
  • Fitur Khusus: Kontrol Volume
  • Perangkat yang Kompatibel: Speaker (for audio output from AUX IN)
Image depicting two EXMAX EX-938 units (transmitter and receiver) highlighting UHF frequency band for stable wireless audio transmission.

Gambar 8.1: EXMAX EX-938 units demonstrating UHF frequency band for reliable audio transmission.

9. Garansi dan Dukungan

For warranty information and customer support, please refer to the documentation included with your purchase or contact EXMAX directly. If you encounter any problems or have questions regarding the EXMAX EX-938 system, please reach out to the manufacturer's customer service for assistance.

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