Locking The Control Panel Buttons - NEC MultiSync M431-2 User Manual

Locking the Control Panel Buttons

The [KEY] in the [LOCK SETTINGS] prevent the monitor from being controlled using the buttons on the monitor Control Panel.
Enabling the [KEY] does not lock the buttons on the remote control.
PROTECT:
POWER SAVE SETTINGS
THERMAL MANAGEMENT
SCREEN SAVER
POWER ON DELAY
SECURITY SETTINGS
LOCK SETTINGS
ALERT MAIL
RESET
1. Using the remote control, navigate to [PROTECT] then to [LOCK SETTINGS].
2. Under the [SELECT] option, press the ,  buttons to change the setting to [KEY].
3. Under [MODE] choose the lock mode you want to enable.
• [ALL LOCK] – 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 monitor 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.
NOTE: [MIN VOL] and [MAX VOL] lock only works with embedded speakers and Audio Line Out


(3.5 mm connector), but it does not work when [CEC] is set to [MODE1] or [MODE2] and
[AUDIO RECEIVER] is set to [ENABLE].
• [INPUT] – select [UNLOCK] to be able to change the inputs using the INPUT/SET button.
4. 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 monitor control panel simultaneously, for at
least four seconds, to deactivate the key lock settings.
OSD Menu – to return to normal operation, use the remote control to navigate to [PROTECT] then to [LOCK SETTINGS]. Under
the [SELECT] option, press the ,  buttons to change the setting to [KEY]. Under [MODE] choose [UNLOCK] and then select
[ACTIVATE].
Locking the IR Remote Buttons and the Control Panel Buttons
Select [PROTECT] ➙ [LOCK SETTINGS]
For the subsequent setting procedure, buttons for which the lock is enabled, and unlocking method, refer to
Remote Buttons" and "Locking the Control Panel
SELECT KEY
MODE CUSTOM LOCK
POWER
UNLOCK / LOCK
VOLUME
UNLOCK / LOCK
MIN VOL
MAX VOL
INPUT
UNLOCK / LOCK
ACTIVATE / DEACTIVATE
➙ [SELECT] ➙
Buttons".
10
80
[KEY & IR] from the OSD menu.
English−49
"Locking the IR