Denon DVM-1800 Operating Instructions Manual page 46

If a rating of Level 7 or lower has been selected, use the number buttons
to input a 4-digit password, then press the ENTER button.
* Do not forget the password.
* Once locked, the setting
correct password.
Press the ENTER button,
The settings are completed,
F To return to the previous menu screen:
Press the RETURN button. (The RETURN button will not function after the ENTER button IS pressed in step 5.)
C To exit the default settings:
Press the SET UP button.
46
cannot be changed without
and the screen in step 1 on page 43
inputting the
3 Menu Language
On-Screen Messages
4
7 Digital Audio Output
9 Other Settings
Press AETURN to oxit