他必须成为一名熟练的无线电操作员，能够修理自己的设备。
He must become a skilled radio operator and be able to repair his own equipment.
“关于无线电操作人员，主管机关可：”。
它还支持飞艇的安全方式操作，通过一个开关可以选用手动无线电操作。
It also supports the airship security management, by switching on request to a manually radio control.
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