The UFCP alphanumeric keyboard is the only method to change frequency settings.

• A. True
• B. False
• C. Not stated
• D. Sometimes

Answer: (B)

Frequency tuning in aircraft is accomplished through multiple input methods, not just one entry mode. The UFCP alphanumeric keyboard allows direct, quick entry of a frequency, but other controls provide tuning as well. For example, dedicated tuning knobs on the Radio Management Panel let you dial frequencies in coarse or fine steps without typing. Many systems also support predefined memory presets or automatic loading from the flight management or radio management logic. Because those alternative means exist, the statement that the UFCP alphanumeric keyboard is the only method to change frequency settings is not true.