52 Lock and Password Setup [490]This menu lets you enable or disable a lock on some functions and set a password to protect the system.4 9 0 L O C K / M E N U P A S S W O R D4 9 1 L O C K ↓4 9 2 M E N U P A S S W O R D ↓↑ ↓ : M O V E E N T : S E L E C T E S C : P R V4 9 0 L O C K / M E N U P A S S W O R D4 9 1 L O C K ↓4 9 2 M E N U P A S S W O R D ↓↑ ↓ : M O V E E N T : S E L E C T E S C : P R V4 9 1 L O C KM E N U L O C K : O N O F F1 0 K E Y L O C K : O N O F FF U N C T I O N L O C K : O N O F F↑ ↓ : M O V E ← → : S E L E C T E S C : P R VMove the cursor to the desired item by pressing the or button. Then press the ENTER button.The selected item submenu appears on the monitor screen. 491 LOCKSet this to prevent the alteration of settings or erroneousoperations by unauthorized persons.• MENU LOCKTo verify the password by pressing the MENU button.This prevents the alteration of settings by unauthorizedpersons.• 10KEY LOCKTo lock the numeric buttons to prevent the selection ofview points.However, the numeric button can be used when themenu is set.• FUNCTION LOCKThe buttons shown below are locked.VIDEO AUTO/MANU buttonALM ACK button# (ALM MEMORY) button 492 Menu PasswordRegister a password or change it.Receiver Lock Item Setup [491]1 Move the cursor to item 491 by pressing the or button. Then press the ENTER button.The [491 LOCK] menu appears on the monitor screen.2 Move the cursor to the desired itemparameter. Then select either ON or OFF bypressing the Direction buttons.The selected parameter will be underlined in the menuwhen the cursor is moved to another item parameter bypressing the or button.• MENU LOCKON: Enables password verification when theMENU button is pressed.OFF: Disables password verification when theMENU button is pressed.• 10KEY LOCKON: Enables locking the numeric buttons.OFF: Disables locking the numeric buttons.• FUNCTION LOCKON: Enables locking the specified buttons.OFF: Disables locking the specified buttons.3 Press the ESC button to return to theprevious [490 LOCK / MENU PASSWORD]menu.dBefore setting [LOCK] to ON on the menu [491Lock], be sure to set the password on [492 MenuPassword].NoteNote: When an item MENU LOCK is set to ON, be sure toset the password.