FOCUS Enhancements FS-C LOCK/UNLK:

FS-C Functions
FS-C Portable DTE Recorder 79
LOCK/UNLK:
This function is a toggle switch that locks and unlocks the keys
on the FS-C’s front panel.
To prevent accidental unlocking of the front panel, there is an
unlock confirmation screen:
1. Press the UNLK key.
2. Press SELECT to unlock the front panel keys.
UNLOCK KEYS
PRESS SELECT
TO CONFIRM
EXIT