1. When the PTT (Push-to-Talk) button is pressed, the indicator light turns red, signaling that the radio is in transmit mode. At this point, you can speak into the microphone and communicate over the same channel (which has 16 available channels). The signal is sent through the selected frequency, and other users on the same channel will receive your message.
2. Pressing the monitor button causes the indicator to turn green, indicating that the radio is in forced receive mode. This feature is typically used when the received signal is weak or unclear, but it's not commonly used in regular operations. It consumes more power than normal operation and is generally not recommended unless necessary.
3. Walkie-talkies from the same factory model usually share the same factory frequency, allowing them to communicate with each other. However, different models can also communicate if they are set to the same frequency band. With the help of programming software, you can change the frequency to match another device for communication.
4. Not all radios have the search channel function. In most cases, channel 16 is not a standard channel and is instead marked with an "S" symbol, which indicates the scan function. This feature allows the radio to automatically scan through channels 1–15 to find active transmissions. However, it needs to be set up using programming software and is rarely used in everyday scenarios. Normally, channels are fixed frequencies for consistent communication.
5. Using a walkie-talkie is straightforward. Ensure both devices are on the same channel. Hold the PTT button while speaking, keeping the microphone about 2–5 centimeters away from your mouth. Once you finish speaking, release the button. There’s no need to press any other buttons to receive messages — the radio automatically switches to receive mode.
**Precautions**
1. While transmitting, keep the walkie-talkie in a vertical position and hold the microphone 2.5–5 cm away from your mouth. Keep the device at least 2.5 cm away from your head or body during transmission. If the radio is worn on your belt, ensure the antenna is at least 2.5 cm away from your body to avoid interference.
2. Avoid frequently turning the device on and off during use. Adjust the volume to a comfortable level based on your hearing to prevent strain and ensure clear reception.
3. Never twist or bend the antenna while using the radio. Do not use the device with a damaged or broken antenna, as this can significantly reduce signal quality and may even cause damage to the internal components, such as the power amplifier.
4. Keep the walkie-talkie dry in both dry and rainy weather. Avoid placing it under air conditioners or in areas where moisture can seep into the circuit board. When using it outdoors in the rain, cover the device with a waterproof film. For water-resistant models, avoid submerging them in water and keep them away from high-pressure water sources.
5. If the walkie-talkie shell becomes dirty or greasy, do not immerse it in water. Use a soft, neutral detergent cloth to gently wipe it clean. Some water-resistant models can be rinsed, but avoid high-pressure water jets, as they may damage internal components.
6. If the walkie-talkie gets wet, immediately remove the battery and avoid any further use. Do not attempt to power it on or make calls. Dry it with a soft cloth and take it to a service center as soon as possible to prevent long-term damage.
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