Features:
Forward/ Reversed/VSWR ration in one push button.
LED backlight display for easy reading.
Powered by 2 * AAA batteries (not included) or external USB (Universal Serial Bus) interface.
Micro USB (Universal Serial Bus) DC 5V output (not include adapter).
Convenient control layout for ease operation.
Measurement:
1. Apply output of transceiver to TX & antenna or load to ANT.
2. POWER on for ready to use.
3. LCD display show simultaneously Fwd/ Rev Power & SWR.
4. For back-light, please switch LIGHT to ON.
No function in 30 seconds, the backlight will automatically off.