1. Introducció
The GQ GMC-800 is a portable nuclear radiation detector designed for personal and group use. It accurately detects Beta, Gamma, and X-ray ionizing radiation. This device offers quick, sensitive, and precise readings with an intuitive user interface. This manual provides essential information to operate and maintain your device effectively.
2. Informació de seguretat
- Llegiu totes les instruccions abans d'utilitzar el dispositiu.
- Do not attempt to open or modify the device, as this may void the warranty and pose safety risks.
- Mantingueu el dispositiu allunyat de temperatures extremes, llum solar directa i humitat.
- Feu servir només el cable de càrrega i l'adaptador de corrent especificats.
- Eliminar les bateries segons la normativa local.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al vostre paquet:
- Unitat principal
- Cable tipus C
- Guia ràpida
- Targeta de seguretat
4. Producte acabatview
The GQ GMC-800 features a robust design and a user-friendly interface for effective radiation detection.

Figura 4.1: Davant view of the GQ GMC-800 detector, displaying the main screen with radiation readings and control buttons.
Característiques principals:
- Nuclear Radiation Detection: Detects Beta, Gamma, and X-ray ionizing radiation.
- Funcionament multifuncional: Includes traditional Geiger counter, real-time measurement, dosimeter, and radiation monitoring functions.
- Alta precisió: Designed to comply with USA National Standards (NIST & NRC) with calibration for enhanced precision.
- Five Types of Alarms: Visual LED, Audio, Vibration, Voice, and Color Bar indication. Alarm thresholds are user-adjustable.
- Interfície fàcil d'utilitzar: Large, clear color TFT LCD screen, readable under sunlight. User-selectable color schemes and light/dark modes.
- Tractament de dades: Built-in clock and internal memory for up to 10 years of data storage. Free data processing software, firmware updates, and online data storage.
- Disseny ergonòmic: Lightweight, thin, anti-drop design. Handheld, portable, and can stand upright or lie flat. Features a rechargeable and replaceable battery with Type-C charging and data transfer.

Figura 4.2: Illustration of the multi-functional capabilities of the GMC-800, including dose rate, dosimeter, graphic display, and history views.
5. Configuració
5.1 Càrrega del dispositiu
The device comes with a rechargeable Lithium-ion battery. Before first use, fully charge the device.
- Locate the Type-C port on the side of the device.
- Connect the provided Type-C cable to the device and a compatible USB power source (e.g., computer, wall adapter).
- The battery indicator on the screen will show charging status. A full charge typically takes a few hours.

Figura 5.1: The device connected via Type-C cable for charging and data transfer.
5.2 Engegada/apagada
- To power on, press and hold the power button (usually marked with a circle and vertical line) until the screen illuminates.
- Per apagar, manteniu premut el botó d'engegada fins que el dispositiu s'apaga.
6. Instruccions de funcionament
The GMC-800 offers various modes for radiation detection and monitoring.
6.1 Navegació per la interfície
The device features a large color LCD and intuitive buttons for navigation. A shortcut button allows quick switching between four main function screens.

Figura 6.1: The user interface with options for color schemes and display modes.
6.2 Modes de mesura
- Traditional Geiger Counter: Displays instantaneous radiation flux.
- Real-time and Time-defined Measurement: Shows radiation data over specific periods.
- Dosimeter Function: Provides real-time and accumulated radiation exposure on the human body.
- Radiation Monitoring: Monitors radiation levels over time in a specific location.

Figura 6.2: Different measurement modes available on the GMC-800.
6.3 Funcions d'alarma
The device features five types of radiation alarms, designed for all users, including those with visual or hearing impairments.
- Visual LED: A flashing light indicator.
- Àudio: An audible alert sound.
- Vibració: El dispositiu vibra.
- Veu: A spoken alert.
- Color Bar Indication: A visual color bar on the display changes to indicate radiation levels.
The alarm threshold can be adjusted by the user through the device's menu settings.

Figura 6.3: Acabatview of the five alarm types for radiation detection.
7. Data Handling and Advanced Features
The GMC-800 includes advanced features for data management and device updates.
- Memòria interna: Built-in clock and internal memory allow for data storage for up to 10 years.
- Data Processing Software: Free software is available for further data processing and analysis on a PC.
- Actualitzacions de firmware: The device supports firmware updates to ensure optimal performance and access to new features.
- Online Data Storage: Free online data storage and history overview estan disponibles.
- Open Communication Protocol: Provides flexibility for advanced users.

Figura 7.1: Data handling and advanced features of the GMC-800.

Figura 7.2: Example of the GMCMap application for monitoring and analyzing data.
8. Manteniment
- Neteja: Feu servir un drap suau i sec per netejar el dispositiu. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: Guardeu el dispositiu en un lloc fresc i sec quan no l'utilitzeu.
- Substitució de la bateria: The battery is rechargeable and replaceable. Refer to the full user manual for detailed instructions on battery replacement if needed.
- Actualitzacions de firmware: Regularly check for and install firmware updates to ensure optimal performance and access to the latest features.
9. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén. | Bateria baixa o esgotada. | Carregueu el dispositiu amb el cable tipus C proporcionat. |
| Lectures inexactes. | Device not calibrated or environmental interference. | Ensure the device is used in a stable environment. If issues persist, consult the full manual for calibration procedures or contact support. |
| La pantalla està tènue o il·legible. | Brightness settings or direct sunlight. | Adjust screen brightness in settings. Move to a shaded area if in direct sunlight. |
| Alarms not functioning. | Alarm settings are off or threshold is too high. | Check alarm settings in the menu and adjust the threshold as needed. |
10. Especificacions
| Característica | Detall |
|---|---|
| Número de model | GMC-800 |
| Fabricant | GQ Electronics LLC |
| País d'origen | Estats Units |
| Dimensions (L x A x A) | 6.99 x 12.5 x 1.5 cm |
| Pes | 67 grams |
| Bateria | 1 Lithium-ion (included, rechargeable, replaceable) |
| Llengua | Anglès |
| Radiation Detection | Beta, Gamma, X-ray |
| Emmagatzematge de dades | Up to 10 years internal memory |
11. Garantia i Suport
For warranty information and technical support, please refer to the official GQ Electronics weblloc web o contacteu directament amb el seu servei d'atenció al client. Els detalls sobre els períodes de garantia específics i els canals d'assistència normalment es proporcionen amb la documentació de compra o a la fitxa del fabricant. weblloc.
GQ Electronics is committed to providing quality products and customer satisfaction. For further assistance, please visit gqelectronicsllc.com.