LG 26LH1DC1 Installation And Operating Manual page 69

Software Version Check
Procedure to Check Software Version
The software version of the 26LH1DC1 may be checked by accessing the INSTALLER MENU. To do this, press the
MENU button at least 10 times until the menu display ceases to respond to MENU key presses.
Then, press "9", "8", "7", "6", "OK (Enter/Select)".
Typical Installer Menu
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