BAOFENG GM21 GMRS Handheld Radio Instruction Manual

1. Introducció

The BAOFENG GM21 is a versatile GMRS handheld radio designed for reliable long-range communication. It features a 1.77-inch color screen, NOAA weather reception, multiple charging methods, and various practical functions suitable for outdoor activities, emergency preparedness, and professional use.

2. Contingut del paquet

Assegureu-vos que hi hagi tots els articles presents en desempaquetar:

• 2 x BAOFENG GM21 Radios
• 2 x Rechargeable Batteries (1800mAh)
• 2 antenes AR-771
• 2 x AR-805S Antennas
• 2 auriculars
• 1 x cable de programació
• 2 x cables de càrrega USB-C
• 2 carregadors base
• 2 x clips de cinturó
• 2 x cordons
• 1 x Manual d'usuari

Image: Two BAOFENG GM21 radios with various accessories including antennas, headsets, charging cables, and base chargers.

3. Configuració

3.1 Instal·lació de la bateria

1. Alineeu el paquet de bateries amb les ranures de la part posterior de la ràdio.
2. Feu lliscar el paquet de bateries cap amunt fins que encaixi al seu lloc.
3. To remove, press the release button at the bottom of the battery and slide downwards.

3.2 Instal·lació de l'antena

1. Screw the desired antenna (AR-771 for long range or AR-805S for portability) clockwise onto the connector at the top of the radio until it is finger-tight.
2. No apretar massa.

Image: A BAOFENG GM21 radio shown with both a long and a short antenna, illustrating how different lengths meet different communication needs.

3.3 Càrrega de la ràdio

The GM21 supports multiple charging methods:

• Càrrega USB-C: Connect the provided USB-C cable directly to the port on the battery pack. This allows charging from power banks, PCs, car chargers, or wall adapters.
• Carregador base: Place the radio with the battery installed into the charging cradle. Ensure the charging contacts align.

Image: A BAOFENG GM21 radio demonstrating USB-C direct charging and charging via its included base charger.

4. Instruccions de funcionament

4.1 Engegada/Apagada i control de volum

1. To power on, rotate the top knob clockwise.
2. To adjust volume, continue rotating the knob.
3. Per apagar-lo, gireu el botó en sentit antihorari fins que faci clic.

4.2 Channel Selection (999 Channels)

The GM21 supports up to 999 channels. Use the up/down arrow keys on the keypad to navigate through channels. The 1.77-inch large color screen provides clear channel information.

Image: A close-up of the BAOFENG GM21's 1.77-inch color LCD, showing channel number and frequency.

4.3 Funcionament amb mans lliures VOX

The Voice Operated Exchange (VOX) function allows for hands-free transmission. When enabled, the radio will automatically transmit when it detects your voice, making it ideal for activities where manual PTT operation is inconvenient.

4.4 Receptor meteorològic de la NOAA

The radio includes a NOAA Weather Receiver to provide timely alerts for severe weather conditions. This feature can be crucial for emergency preparedness when other communication methods may be unavailable.

Image: A BAOFENG GM21 radio displaying NOAA weather channel information, with graphics depicting various weather phenomena.

4.5 Llanterna

The built-in flashlight can be activated for illumination in low-light conditions or as a signaling tool during emergencies.

Recepció de ràdio AM/FM 4.6

The GM21 can receive AM/FM radio broadcasts, allowing you to listen to local stations.

4.7 Frequency Copy/Replication

The radio supports fast frequency replication, allowing for quick matching of frequencies with other compatible devices.

Image: Two BAOFENG GM21 radios shown side-by-side with an arrow indicating fast frequency replication between them.

4.8 Programació

The GM21 can be programmed using multiple methods:

• Programació d'aplicacions: Use the dedicated mobile application (select '21 Series' model) to program channels, frequencies, and other functions directly from your smartphone.
• Programació per a PC: Connect the radio to a computer using the programming cable and compatible software (e.g., Chirp, selecting 'UV-17ProGPS' model).

5. Manteniment

5.1 Cura de la bateria

• Carregueu la bateria completament abans del primer ús.
• Eviteu sobrecarregar o esgotar completament la bateria per allargar-ne la vida útil.
• Guardeu la bateria en un lloc fresc i sec quan no la feu servir durant períodes prolongats.

5.2 Neteja

• Netegeu la superfície de la ràdio amb un drap suauamp tela.
• No utilitzeu productes químics ni productes de neteja abrasius.

6. Solució De Problemes

• Sense energia: Ensure the battery is correctly installed and charged. Check the power knob.
• Poor Audio Quality/Range: Verify antenna connection. Check for obstructions. Ensure correct channel/frequency settings.
• Problemes de programació: Confirm the correct model is selected in programming software/app (GM21 for app, UV-17ProGPS for Chirp). Ensure the programming cable is securely connected.

7. Especificacions

8. Garantia i assistència

This product does not come with an explicit warranty listed in the product information. For any warranty claims or technical support, please contact BAOFENG customer service directly through their official channels or the retailer where the product was purchased.

For additional resources and FAQs, please visit the Botiga BAOFENG a Amazon.