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
Measuring Power Below 10 W: 0.1 W
Measuring Power Above 10W: 1W
Power Measurement Accuracy: 10%
Maximum Adjustment Inductance: 8.4 µH
Minimum Adjustment Step: 0.05 µH
Maximum Adjustment Capacitance: 1870 pF Capacitor
Minimum Adjustment Step: 10 pF

Instructions for Use:
1. Connect the radio, the ATU antenna tuner, and the antenna.
2. When using for the first time, please set the output power of the radio or power amplifier between 20 and 30W, warning that a high power setting can easily damage the antenna tuner.
3. Set the radio mode to FM.
4. Select the antenna frequency band to use, use a power of 20 to 30 W in FM mode, press the PPT radio button, and observe the ATU antenna tuner's 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