当管制员反映接收信号清晰但声音小时，可以通过设置收信机前面板（）来改善.A、Line LevelB、PowerC、High VSWRD、Low modulation depth
当管制员反映接收信号清晰但声音小时，可以通过设置收信机前面板（）来改善.
- A、Line Level
- B、Power
- C、High VSWR
- D、Low modulation depth
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