The self-test function of yar27 series radar includes self-test of main board, antenna unit and keyboard. The main board self-inspection includes power supply voltage and motor voltage; the antenna unit self-inspection includes high voltage, RF power voltage, magnetron voltage and current, tune voltage and current pulse frequency; the keyboard self-inspection is to press the key on the keyboard, and the corresponding key icon is displayed. There is a description of self-checking function in the radar manual. When the radar is under maintenance, the self-checking function of yar27 series radar can be used to judge whether the self-checking information is wrong for troubleshooting.
