HDC-UHD Series User Guide
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7.4 Front panel security lockout
Press and hold the “MENU/ENTER" button for three seconds or longer to set/cancel button lock.
If powering off the HDC with the buttons locked, the HDC starts up with the buttons locked next time.
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See: 9.6.1 Grouping front panel security lockout
Press and hold MENU/ENTER button to enable/disable button security lockout.
Button security lockout disabled
Button security lockout enabled
BUTTON LOCK
BUTTON LOCK
[Fig. 7.7] Locking/unlocking (HDC-TR121UHD)
7.5 Initialization
All user configurable settings can be reset to their respective factory default values by powering the HDC on
while pressing and holding the “BACK” button.
Note that after returning to factory default, the previous setting values cannot be restored.
Power on HDC while depressing
“
BACK
”
button.
MEN U
MEN U
MEN U
MEN U
[Fig. 7.8] Initialization
