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6-5
Configuration Options
6.2.1. The Real Time Clock and Calendar
The Real Time Clock menu is used to set the RPC internal clock and calendar. The
configuration menu for the Real Time Clock offers the following options:
• Date: Sets the Month, Day and Year for the RPC real-time clock/calendar.
• Time: Sets the Hour, Minute and Second for the RPC real time clock/calendar. Key
in the time using the 24-hour (military) format.
• TimeZone: Sets the time zone, relative to Greenwich Mean Time. Note that the
Time Zone setting will function differently, depending upon whether or not the NTP
featureisenabledandproperlyconfigured.(Default=GMT(NoDST).)
NTPEnabled: The Time Zone setting is used to adjust the Greenwich Mean
Time value (received from the NTP server) in order to determine the precise local
time for the selected time zone.
NTPDisabled: If NTP is disabled, or if the RPC is not able to access the NTP
server, then status screens and activity logs will list the selected Time Zone and
current Real Time Clock value, but will not apply the correction factor to the
displayed Real Time Clock value.
• NTPEnable: When enabled, the RPC will contact an NTP server (defined via the
NTP Address prompts) once a day, and update its clock based on the NTP server
timeandselectedTimeZone.(Default=Off.)
Notes:
• TheRPCwillalsocontacttheNTPserverandupdatethetimewheneveryou
changeNTPparameters.
• TocauseRPCtoimmediatelycontacttheNTPserveratanytime,make
certainthattheNTPfeatureisenabledandconfigured,thentype/F and
press [Enter].WhentheSystemParametersmenuappears,press[Esc].
TheRPCwillsaveparametersandthenattempttocontacttheserver,as
specifiedbycurrentlydefinedNTPparameters.
• PrimaryNTPAddress: Defines the IP address or domain name (up to 64
characterslong)fortheprimaryNTPserver.(Default=undefined.)
Notes:
• Inordertousedomainnamesforwebaddresses,DNSServerparameters
mustfirstbedefinedasdescribedinSection6.8.4.
• TheWebBrowserInterfaceincludestwoseparatefieldsthatcanbeusedto
definebothanIPv4protocolandIPv6protocolformatPrimaryNTPAddress
andSecondaryNTPAddress.
• WhenthePrimaryNTPAddressandSecondaryNTPAddressaredefined
viatheTextInterface,theRPCwilldisplayapromptthatinstructstheuserto
selectIPv4orIPv6protocol.
• TheRPCallowsparametersforbothIPv4andIPv6protocolstobedefined
and saved.
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