Mini Automatic Antenna Tuner, ATU-100 Mini Antenna Tuner 0.96 Inch Display USB Charging Radio Tuner 1.8-55 MHz ATU-100

Specification: Item Type: Mini Antenna Tuner Material: Aluminum Alloy Model: ATU-100 Operating Voltage: 10-15 VDC Display: 0.96 inch Organic Light Emitting Diode Operating Frequency: 1.8-55 MHz Battery Model: 1350 mAh 3.6 V Lithium (Built-in Battery) USB Charging Current: 1 A Maximum Operating Power: 100 W Maximum Measuring Power: 150 W Minimum Starting Power: 1 W Minimum Measuring Power: 0.1 W Power Measurement Step Below 10 W: 0.1 W Power Measurement Step Above 10 W: 1 W Power Measurement Accuracy: 10% Maximum Tuning Inductance: 8.4 μH Minimum Tuning Inductance: 0.05 μH Maximum Tuning Capacitance: 1870 pF Minimum Tuning Step: 10pF

Instructions for use: 1. Connect the radio, the ATU antenna tuner, the antenna. 2. When using for the first time, please set the output power of the radio or power amplifier between 20 and 30 W, warning that a high power setting can easily damage the antenna tuner. 3. Set the radio mode, use FM mode. 4. Select the antenna frequency band to use, use 20-30W power in FM mode, press the radio PPT button, observe the ATU antenna tuner PWR and SWR. 5. Using the ATU TUNE button: press the ATU button briefly (less than 1 second) to reset it, press and hold the ATU button for tuning. 6. If the SWR of the ATU antenna tuner is greater than 2.0 in transmit mode, this