DOCA0142EN-06

Time Zone

Time Zone Configuration

Step

Action

1

From the IFE menu bar, click Configuration & Settings.

2

From the Configuration & Settings menu, in the General submenu, click Time Zone.

3

In Time Zone Configuration webpage, select the time zone of your region from the Time Zone list.

4

Select the Enable check box if you have to set the daylight saving time.

5

Select the beginning and end time of daylight saving from the Daylight Saving Time begins and the Daylight Saving Time ends list.

6

Click Apply to save the settings.

NOTE: The settings of Time Zone is applicable only when Date and Time is in Automatic mode.

Real Time Clock

The IFE interface has a real time clock (RTC) to maintain date and time during power outage. The expected life time of the RTC is 15 years when operated at intermediate mode (in this mode, the battery is operated continuously for 4 days with an interval of 45 times over a period of 10 years).

The IFE interface must maintain a crystal tolerance of ±20 ppm (typical)/±150 ppm (maximum) during the period of 15 years at -25 °C (-13 °F) to 85 °C (185 °F). The time drift by RTC chip varies from -16 s/day to +2 s/day. During power recycle, the RTC is able to maintain the date and time settings.

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