Ujjdwiurgh N1201S 137.5MHz - 2.7GHz UV Antenna Analyzer SWR Meter Tester with Aluminum Alloy Shell PS100

Startup & Shutdown: Hold down the CTRL key off the power switch button. The boot state, long (2S above) the switch button, after the release, the instrument shut down. The boot state, long (2S above) the switch button, after the release, the instrument shut down. Note: For the convenience of the user, each time calibration correction options automatically change to the user calibration. Meanwhile, in order to the integrity of the calibration, the calibration process, the automatic shutdown function fails, the consistent boot. This instrument has four interfaces: single point measurement, scanning, system information, correction and calibration. The default boot into single-point measurement interface. Aluminum alloy shell prolongs its service life. Attached video is to show the correct way to open the device .The buttons on the panel, 1234 from left to right, need to 2 and 4 at the same time. Advice when Using: In order to the accuracy of measurement and calibration, preheat the instrument at least 15 minutes. Try to use cable and connectors.