NEC E558 55" Class 4K UHD Commercial LED TV - Manual (Page 52)

English - 49
Locking the Remote Control Buttons
The [IR Lock Settings] prevent the monitor from being controlled using the remote control.
Setup
Move Select
HDMI1
Input Labels
Key Lock Settings
IR Lock Settings
Power supply
LED Indicator
Mute Settings
Thermal Management
Signal Information
Off
OK Return MENU EXIT EXIT
Mode 1
Mode 2
1. In the OSD menu, go to [Setup] -> [Other settings] and select [IR Lock Settings].
2. Select the key lock range.
• OffN: All buttons operate normally.
• Mode1N: Only the POWER and the SOURCE buttons operate.
• Mode2N: All buttons are locked. (Only the power button can be used during standby mode.)
NOTEN:
The buttons are locked 3 seconds after Mode1 or Mode2 has been selected.
Unlocking the Remote Controls
Carry out the following with the monitor in On mode.
• OSD menuN: To remove the lock and restore normal button operation, set the [IR Lock Settings] to [Off] using the monitor
buttons.
• Remote controlN: To remove the lock and restore normal button operation, hold the EXIT button pressed for 5 seconds or
more.