Panel Key Lock - Panasonic GP-X Series User Manual

4.10 Panel Key Lock

Use this function to prohibit key operation on the front panel. Erroneous
operations of operation keys can be avoided. If any key is pressed after the
panel key is locked, "KEY LOCK" is displayed for about one second. The
panel key can only be locked in the detection state.
Setting example
Lock the panel key.
<Detection state>
Panel key lock ON
Unlock the panel key.
Panel key lock ON
Panel key lock OFF
If zero setting from the external terminal is used frequently, use the panel
key lock function to protect the memory.
Notice
(The maximum memory writing frequency is 100,000 cycles.)
Press and hold for longer than two seconds.
Press and hold any key for more than two seconds.
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