instrumentation/nav[0]/serviceable systems/electrical/outputs/nav[0] instrumentation/nav[0]/volume instrumentation/nav[0]/frequencies/selected-mhz instrumentation/nav[0]/frequencies/standby-mhz VIR32.swap(0); VIR32.adjust_frequency(0, 0.05); VIR32.adjust_frequency(0, -0.05); VIR32.adjust_frequency(0, 1.0); VIR32.adjust_frequency(0, -1.0);