求翻译：1) 对当前系统配置的外接相关设备（制票机、外接屏幕等）进行检测，检测设备的可用性，非必要设备如果检测不能通过，则提示操作员，但是必要设备（制票机等）如果不能通过检测系统不能登录。是什么意思？

1) detection, the availability of testing equipment, related equipment on the current system configuration, an external (system of ticket machines, the external screen, etc.), non-essential equipment, if the detection is not passed, the operator is prompted, but the necessary equipment (system ticke

1) * of the Current System Configuration to an external device (a ticket machine, and an external screen, etc. ) for testing, test the usability of the device, the non-essential equipment if the test fails, then prompts the operator, but necessary equipment (a ticket machine, etc. ) if the test fail

1) Meets the correlation equipment to current system disposition outside (system ticket machine, outside meets screen and so on) to carry on the examination, the check-out facility usability, if the non-fittings the examination cannot pass, then prompt operator, but fittings (system ticket machine a

1) add-ins on the current system configuration-related equipment (making machine, external screen, etc) for testing, testing equipment availability, non-essential equipment if the test is not passed, prompts the operator, but the necessary equipment (ticket machine) if not by detecting system cannot

正在翻译，请等待...