instrumentation/comm[0]/serviceable systems/electrical/outputs/comm[0] instrumentation/comm[0]/volume instrumentation/comm[0]/frequencies/selected-mhz instrumentation/comm[0]/frequencies/standby-mhz VHF22.swap(0); VHF22.adjust_frequency(0, 0.025); VHF22.adjust_frequency(0, -0.025); VHF22.adjust_frequency(0, 1.0); VHF22.adjust_frequency(0, -1.0);