NEC MultiSync UN552 User Manual

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Locking the Control Panel Buttons
The [KEY LOCK SETTINGS] prevent the monitor from being controlled using the buttons on the monitor Control Panel. Enabling
the [KEY LOCK SETTINGS] does not lock the buttons on the remote control.
CONTROL:
NETWORK INFORMATION
LAN
CHANGE PASSWORD
SECURITY
IR LOCK SETTINGS
KEY LOCK SETTINGS
DDC/CI
PING
IP ADDRESS RESET
AUTO DIMMING
POWER INDICATOR
NETWORK FUNCTIONS
USB
CEC
RESET
MULTI-INPUT OPTION C MODULE
MODE SELECT CUSTOM LOCK
POWER
UNLOCK / LOCK
VOLUME
UNLOCK / LOCK
MIN VOL
+ 10
MAX VOL
+ 80
INPUT
UNLOCK / LOCK
CHANNEL
UNLOCK / LOCK
ACTIVATE / DEACTIVATE
1. Using the remote control navigate to [CONTROL] then to [KEY LOCK SETTINGS].
2. Under [MODE SELECT] choose the lock mode you want to enable.
• [LOCK ALL] – all key buttons are locked.
• [CUSTOM LOCK] – all key buttons are locked except for the following buttons that can be individually set to be locked or
unlocked.
• [POWER] – select [UNLOCK] to be able to use the button when the keys are locked.
• [VOLUME] – select [UNLOCK] to be able to control the volume with the + and – buttons when the keys are locked.
Select [LOCK] to prevent volume adjustment.
When activating the volume lock, the display volume will immediately change to the [MIN VOL] value.
• [MIN VOL] and [MAX VOL] – the [+] and [–] volume keys are unlocked and the volume can only be adjusted within
the [MIN] and [MAX] set.
The [VOLUME] must be set to [UNLOCK] for this setting to operate.
• [INPUT] – select [UNLOCK] to be able to change the inputs using the INPUT/SET button.
• [CHANNEL] – select [UNLOCK] to be able to use the / buttons.
3. Select [ACTIVATE] to activate all settings.
Unlocking the Monitor Button Panel Controls
Key Buttons – to return to normal operation press the  and  buttons on the display control panel simultaneously, for at least
4 seconds, to deactivate the key lock settings.
OSD Menu – to return to normal operation, use the remote control to navigate to [CONTROL] then to [KEY LOCK SETTINGS].
Under [MODE SELECT] choose [UNLOCK] and then select [ACTIVATE].

NEC MultiSync UN552 Specifications

General

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