Ricoh PJ WU6181N 6200-Lumen WUXGA LCD Projector (No Lens) - Manual (Page 131)

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5. Using On-Screen Menu
DATE AND TIME SETTINGS
You can set the current time, month, date, and year.
NOTE: The projector has a built-in clock. The clock will keep working for about 2 weeks after the main power is turned off. If the main power is off for 2 weeks or more, the
built-in clock will cease. If the built-in clock ceases, set the date and time again. The built-in clock will not cease while in the standby mode.
TIME ZONE SETTINGS ...................... Select your time zone.
DATE AND TIME SETTINGS .......... Set your current date (MM/DD/YYYY) and time (HH:MM).
INTERNET TIME SERVER ................ If you place a check mark, the projector’s built-in clock will be synchronized with an Internet
time server in every 24 hours and at the time of projector’s startup.
UPDATE ...................................................... Synchronizes the projector’s built-in clock immediately. The UPDATE button is not available
unless the INTERNET TIME SERVER check box is turned on.
SUMMER TIME SETTINGS ............. If you place a check mark, the clock for daylight saving will be enabled.
[MOUSE]
This function cannot be used in this device. It is used for future expansion purposes only.