LG LE1004 Use Manual page 27

Chapter 2 Functional description
③ [Password]
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④ [Initialize]
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2-10
D. NTP SERVER : It is used to set internet time server.
※ Daylight saving time is applied automatically according to corresponding
location.
You can specify password of each user.
The password can be set max 8 digits.
You can initialize data and configuration by this menu.