Grunkel LED-20H FHDT2, User Manual

Page: 52 / 93

17
LOCK
Press the “MENU” button to enter the OSD menu. Then press “

/

” button to select the
“Lock System” menu. The default password is “0000”.
Note: The administrator password is “8899’’.
1. Press “

/

” button to select “System Lock’and then press “

/

” button to select “On” or
“Off”
2.
Press ▼ / ▲ button to select “Set Password” and set your new password.
3. Press “

/

” button to select “Channel Locks” and press the “GREEN” button to select
channel
（
s
）
to lock .
4. Press “

/

” button to select “Parental Guidance” and press the “

/

” button to set.
5.
Press ▼ / ▲ button to select “Key Lock”, then press button to select “On” or “Off”, The key
board will be invalid if you set Lock Keypad “On”.
6.
Press ▼ / ▲ button to select “Hotel Mode” and press the “

” button to enter the sub-menu to
set.