Setting the Gateway Time and Date
You can configure the gateway to obtain the time and date from a time server, or you configure the time and date manually.
To configure the gateway time and date:
1 In the CONFIGURATION tab, select System > Regional Settings in the navigation pane.
The Regional Settings page opens, displaying the date, time, and time zone currently configured for the gateway.
Note: With C200 and C400 gateways, an additional option, Power, is available under the Regional Settings option, which displays UPS devices that are used.
2 Click Change date and time settings.
The Time Setting Wizard opens, displaying the Select Your Time Zone window.
3 Select your time zone.
4 To synchronize the gateway with a time server, select the Synchronize with a Time Server option.
If you want to manually configure the date and time, clear the Synchronize with a Time Server check box.
5 Click Next.
If you chose to synchronize the gateway with a time server, the Time Server Settings window is displayed with a list of time servers with which the gateway will synchronize time and date settings.
Do the following:
i To add a time server to the list, enter the server's URL in the provided field, and then click Add.
ii To remove a time server from the list, click 
for the server to remove.
for the server to remove.If you chose to manually configure time and date settings on the gateway, the Adjust Date & Time window is displayed.
Do the following:
i In the Date field, type the current date, or click 
to select the date from a calendar.
to select the date from a calendar.ii In the Time drop-down list, select the current time.
iii Click Next and then Finish.