instrumentation/comm[1]/serviceable systems/electrical/outputs/comm[1] instrumentation/comm[1]/volume instrumentation/comm[1]/frequencies/selected-mhz instrumentation/comm[1]/frequencies/standby-mhz VHF22.swap(1); VHF22.adjust_frequency(1, 0.025); VHF22.adjust_frequency(1, -0.025); VHF22.adjust_frequency(1, 1.0); VHF22.adjust_frequency(1, -1.0);