The CTL-62 is used to tune the ADF-462 radio in the normal range of 190 to 1799.5 kHz and 2179 to 2185 kHz. The CTL-62 is a family of microprocessor based controls that is used for controlling the original Pro Line ADF-60 and TDR-90 radios. With the use of a CAD-62 Control Adapter which converts serial tuning data to parallel tuning data. The CTL-62 scans operator controls and discrete inputs for frequency and mode data as well as operating configuration. The CTL-62 can be configured to accept serial tuning data supplied from an external system. The CTL-62 provides nonvolatile storage of preset frequencies besides the active and preselect frequencies that are displayed. The CTL-62 also displays the diagnostic data received from the radio.