1. AC head = audio/control head 音頻/控制磁頭
2. AC inlet = alternating current inlet 交流電源輸入
3. AC motor = alternating current motor 交流電機
4. AC NFB = alternating-current negative feedback 交流負反饋
5. AC OFF = alternating-current OFF 交流方式關(guān)機
6. AC outlet = alternationg-current outlet 交流電源插座
7. AC pulse = automatic clear pulse 自動(dòng)清除脈沖；自動(dòng)清零脈沖
