Locking The Knobs And Switches - Yaesu FTM-400XDR/DE Operating Manual

Locking the knobs and switches
The knobs and switches etc. can be locked to avoid inadvertent changes and unintended
operation.
1
Press quickly
"LOCK" will appear in the display and the display will
return to the previous screen.
Press quickly one more time to cancel the lock.
"UNLOCK" will appear in the display and the display
will return to the previous screen.
Other Settings
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