KEY PROTECT Menu
You can lock the settings so that they cannot be
changed by an unauthorized user.
Select OFF or ON.
If you set ON, all items are displayed in blue,
indicating the items are locked.
This section may help you isolate the cause of a
problem and as a result, eliminate the need to contact
• The display is colored in green or purple. t
Select the correct input by pressing one of the buttons
related to input.
• The unit cannot be operated. t The key protection
function works. Set the KEY PROTECT setting to
OFF in the KEY PROTECT menu.
• The BKM-142HD, BKM-150CP, or BKM-155DV
has been installed. The error message "BKM-
xxxxx FAN ERROR" is displayed and you cannot
select Option A or Option B. t Repair the BKM-