The RT-100 utilizes a "traffic light" system to help you intuitively understand your environment. The manual defines the following danger thresholds:

: Press and hold for 2 seconds to turn the audio alarm buzzer on or off. 📱 Understanding the Screen Display

, the display background turns red, signaling high radiation. Step 4: Using Advanced Features

: Hold the device by its bottom half and slowly approach the radiation source with the top sensor area.

| SW1 | SW2 | SW3 | Mode | Function | |-----|-----|-----|------|----------| | OFF | OFF | OFF | ON-delay | Delay before load turns ON | | ON | OFF | OFF | OFF-delay | Delay before load turns OFF | | OFF | ON | OFF | Interval | Load ON for set time | | ON | ON | OFF | Cyclic ON-OFF | Repeating cycle |

This locks the highest recorded radiation level on screen during an extended sweep, ensuring you catch erratic spikes from devices like smart meters or Wi-Fi routers. Best Applications & Testing Guidelines

If you prefer the manufacturer’s original document, try these sources: