1. Sarrera
The G-MARK G4000IEM is a professional UHF wireless in-ear monitor system designed for stage performances, studio recording, band rehearsals, and live events. It provides reliable, high-quality audio monitoring with features such as broad frequency response, low latency, strong anti-interference capabilities, and stable signal transmission over a wide coverage area.
Ezaugarri nagusiak:
- Premium Monitoring System: Offers a broad frequency response of 50Hz-20KHz and less than 5ms latency for real-time audio monitoring.
- Interferentziaren aurkako sendoa: UHF receiver with PLL phase-locked frequency synthesis, covering 550 MHz-580 MHz with 100 adjustable frequencies.
- Stable Signal & Broad Coverage: Dual-antenna receiver with advanced digital signal processing for enhanced signal and extended range up to 160-320 feet.
- Practical & Durable Design: Constructed with high-quality brushed metal for longevity, featuring an intuitive LCD display and operation buttons.
- Sistema zabalgarria: Designed to be an expandable wireless monitoring system.
- Zarata baliogabetzea: Built-in noise cancellation for focused audio monitoring.
2. Segurtasun informazioa
Mesedez, irakurri eta ulertu segurtasun-argibide guztiak gailu hau erabili aurretik. Gorde eskuliburu hau etorkizunean erreferentzia gisa.
- Elikatze-iturria: Use only the specified power adapter for the transmitter. Ensure the voltage gailuaren eskakizunekin bat dator.
- Pilak: The bodypack receiver requires two AA batteries (not included). Ensure correct polarity when inserting batteries. Do not mix old and new batteries, or different types of batteries. Remove batteries if the device will not be used for an extended period.
- Hezetasuna: Do not expose the device to rain, moisture, or extreme humidity.
- Beroa: Mantendu gailua bero-iturrietatik urrun, hala nola erradiadoreetatik, bero-erregistroetatik, sukaldeetatik edo beste beroa sortzen duten gailuetatik.
- Aireztapena: Ensure proper ventilation for the transmitter unit, especially if rack-mounted. Do not block ventilation openings.
- Garbiketa: Oihal lehor batekin bakarrik garbitu. Ez erabili garbitzaile likidorik edo aerosolik.
- Zerbitzua: Ez saiatu produktu hau zuk zeuk ematen. Bidali zerbitzu guztiak zerbitzu kualifikatuko langileengana.
- Entzumenaren babesa: Prolonged exposure to high volume levels can cause permanent hearing damage. Set the volume to a comfortable level before placing earphones in your ears.
3. Paketearen edukia
Carefully unpack your G-MARK G4000IEM system and verify that all items listed below are present and in good condition.
- G-MARK G4000IEM Transmitter Unit
- 2 x G-MARK G4000IEM Bodypack Receivers
- 2 x In-Ear Earphones
- 2 x Transmitter Antennas
- Transmisorearentzako korronte-egokigailua
- Audio Cables (e.g., 1/4" to 1/4" or XLR to 1/4")
- Erabiltzailearen eskuliburua (dokumentu hau)

Figure 3.1: G-MARK G4000IEM System Product List
4. Produktuaren osagaiakview
4.1. Bodypack hargailua
The bodypack receiver is a compact unit designed for personal monitoring. It features an antenna for signal reception, a frequency display, IR pairing window, battery compartment, volume adjustment knob, and a 3.5mm earphone input.

Figure 4.1: Bodypack Receiver Components
- Antena: Receives wireless signals from the transmitter.
- Maiztasuna bistaratzea: Shows the current operating frequency.
- IR Pairing Window: Used for infrared synchronization with the transmitter.
- Bateriaren konpartimendua: Holds two AA batteries (not included).
- Bolumenaren doikuntza botoia: Controls the output volume to the earphones.
- 3.5 mm-ko sarrera: Connects to the included in-ear earphones.
4.2. Transmitter Unit
The transmitter unit is the central hub of the system, sending audio signals wirelessly to the bodypack receivers. It features input jacks for audio sources, controls for channel selection, and a damping adjustment knob.

Figure 4.2: Transmitter Unit Front Panel
- Damping Adjustment Knob: Reduces clicking sounds and provides a softer button feel.
- LCD pantaila: Shows frequency, channel, and other operational information.
- Channel Controls (CH-A, CH-B): Buttons for selecting and adjusting frequencies for each channel.
- SET botoia: Enters adjustment state for frequency selection.
- IR leihoa: For infrared synchronization with bodypack receivers.
- Pizteko botoia: Turns the transmitter unit on or off.
- Antena atakak: Connect the included antennas for signal transmission.
- Audio Sarrerak: (Typically XLR or 1/4" combo jacks on the rear, not visible in this image) Connect audio sources like mixing consoles.
5. Konfigurazio gida
5.1. Transmitter Connection
- Connect the provided antennas to the antenna ports on the rear of the transmitter unit.
- Connect the power adapter to the transmitter's DC input and plug it into a suitable power outlet.
- Connect your audio source (e.g., mixing console, audio interface) to the audio input jacks on the transmitter using appropriate cables.
- Sakatu pizteko botoia transmisorea pizteko.
5.2. Bodypack hargailuaren konfigurazioa
- Open the battery compartment on the bodypack receiver.
- Sartu bi AA pila, polaritate zuzena ziurtatuz.
- Itxi bateriaren konpartimendua.
- Connect the included in-ear earphones to the 3.5mm input jack on the bodypack receiver.
5.3. IR Pairing (Frequency Synchronization)
To ensure the bodypack receiver receives audio from the transmitter, you must synchronize their frequencies using the IR pairing function.

Figure 5.1: IR Match Process
- On the transmitter, press the EZARTU button to enter the adjustment state for the desired channel (CH-A or CH-B).
- Erabili ▲ (gora) edo ▼ (down) buttons to select the desired frequency.
- Turn on the bodypack receiver.
- Align the IR pairing window on the bodypack receiver with the IR window on the transmitter.
- Hold them in alignment until you hear a beep sound, indicating that the frequencies of the transmitter and the bodypack receiver are successfully matched. The frequency displayed on the bodypack should now match the transmitter.
6. Funtzionamendua
6.1. Piztu/Itzali
- Igorlea: Sakatu BOTEREA button on the front panel. The display will illuminate.
- Bodypack hartzailea: Biratu ON/OFF/Bolumena knob clockwise to power on. The display will illuminate. Turn counter-clockwise until it clicks to power off.
6.2. Maiztasun hautaketa
The G4000IEM system offers 100 adjustable frequencies within the 550 MHz-580 MHz range to avoid interference.
- On the transmitter, press the EZARTU button for the channel you wish to adjust (CH-A or CH-B). The frequency display will blink.
- Erabili ▲ (gora) edo ▼ (down) buttons to cycle through available frequencies.
- Once the desired frequency is selected, press EZARTU again to confirm, or wait a few seconds for it to automatically save.
- After changing the transmitter frequency, re-perform the IR pairing process (Section 5.3) to synchronize the bodypack receiver.
6.3. Bolumenaren doikuntza
Adjust the monitoring volume using the Bolumena doitzeko botoia on the bodypack receiver. Start with a low volume and gradually increase it to a comfortable listening level to prevent hearing damage.
6.4. Haririk gabeko irismena eta errendimendua
The system provides a stable signal range of 160-320 feet (approximately 50-100 meters) in optimal conditions. Obstacles such as walls and other wireless devices can affect performance.

Figure 6.1: Wireless Range and Dual Antenna System
6.5. Bluetooth funtzionaltasuna
The G4000IEM system supports wireless Bluetooth transmission, allowing for additional connectivity options. Refer to the transmitter's display for Bluetooth pairing indicators.

Figure 6.2: Wireless Bluetooth Transmission
7. Mantentzea
- Garbiketa: Use a soft, dry cloth to clean the surfaces of the transmitter and bodypack receivers. Do not use abrasive cleaners, solvents, or chemical sprays.
- Biltegiratzea: Gorde sistema erabiltzen ez duzunean, leku fresko eta lehor batean, eguzki-argitik eta muturreko tenperaturetatik babestuta.
- Bateria zaintzea: Remove batteries from the bodypack receivers if they will not be used for an extended period to prevent leakage and damage.
- Kableen kudeaketa: Avoid sharp bends or kinks in audio and power cables to prevent damage.
8. Arazoak
If you encounter issues with your G-MARK G4000IEM system, refer to the following common problems and solutions:
- Ez dago soinurik entzungailuetatik:
- Ensure the bodypack receiver is powered on and has fresh batteries.
- Check that the earphones are securely plugged into the 3.5mm jack.
- Verify the bodypack receiver's volume knob is turned up.
- Confirm the transmitter is powered on and receiving an audio input signal.
- Perform IR pairing again to ensure frequencies are synchronized (Section 5.3).
- Interferentzia edo estatikoa:
- Change the operating frequency on the transmitter (Section 6.2) and re-pair the bodypack.
- Ensure the transmitter and receiver antennas are fully extended and unobstructed.
- Move the transmitter and receiver away from other wireless devices, Wi-Fi routers, or large metal objects.
- Check for strong local RF interference sources.
- Short Wireless Range:
- Ensure antennas on both transmitter and receiver are properly connected and oriented.
- Minimize obstructions between the transmitter and receiver.
- Check battery levels in the bodypack receiver.
- Transmisorea ez da pizten:
- Verify the power adapter is securely connected to both the transmitter and a working power outlet.
- Ziurtatu entxufea aktibo dagoela.
9. Zehaztapen Teknikoak
| Ezaugarri | Zehaztapena |
|---|---|
| Modelo zenbakia | G4000IEM |
| Marka | G-MARKA |
| Konektibitate Teknologia | Haririk gabekoa (RF) |
| Haririk gabeko komunikazio teknologiak | RF |
| Maiztasun Erantzuna | 50Hz - 20KHz |
| UHF Frequency Coverage | 550 MHz - 580 MHz |
| Maiztasun erregulagarriak | 100 |
| Latentzia | 5 ms baino gutxiago |
| Wireless Range | 160FT - 320FT (approx. 50-100 meters) |
| Belarrien Kokatzea | Belarrian |
| Forma-faktorea | Belarrian |
| Zarata Kontrola | Zarata Deuseztatze Aktiboa |
| Aurikularretarako Jack | 3.5 mm Jack |
| Bodypack Power Source | 2 x AA pila (ez daude barne) |
| Itxituraren Materiala | Metal (Transmitter) |
| Elementu kopurua | 2 (Bodypacks) |
10. Bermea eta Laguntza
Genuine G-MARK audio products come with a 1 urteko fabrikatzailearen bermea. This warranty covers defects in materials and workmanship under normal use. For troubleshooting, replacement of discontinuous/defective parts, or any other customer service inquiries, please contact G-MARK customer support through your retailer or the official G-MARK webgunea.