LF23-HL
User Guide
15 / 22
Change user code with user code (일회성, 영구성)
Cannot use imaginary number when enter the new user code.
Press “#” for 4 seconds → enter current user code → press “#” → enter new user code
→ press “#”.
(
Using imaginary number
)
Press “#” for 4 seconds → enter any imaginary number → enter current user code
→ press “#” → enter new user code.
current user code
new user code(4-12 digits)
4 seconds
Changed
new user code(4-12 digits)
current user code
imaginary number
4 seconds
Changed
Change user code with master code (private mode)
Press “*” → enter the master code → press “*” → enter new user code.
Press “#” before and after the user code if it is 5 or more digits.
(Using imaginary number)
Press “*” button → enter any imaginary number → enter the master code →
press “*” button → enter new user code → press “#” button.
The user code can be changed if it is unlocked. Need to unlock it with the master code
first if it is locked . (refer to “Using Master Code” on page 13)
new user code(4-12 digits)
Changed
master code
imaginary number
master code
new user code
Changed
master code
new user code(4-12 digits)
Changed
