7700 Multiframe Manual
7725DSK-LG / 7725DSK-LG-HD HD/SD Logo Inserter & Media Keyer
Page 3-4 Revision 1.4 VLPRO OPERATION
3.3. TIME TAB
The Time tab enables the user to set the time settings for the 7725DSK-LG.
Figure 3-2: Time Window
3.3.1. Displaying Real Time Clock
The 7725DSK-LG contains a real time clock that is used to drive the clock display logos that can be
placed on the screen. This battery backed up real time clock (known as RTC) free runs on an internal
oscillator and can be set from the front panel. When the 7725DSK-LG is powered up with a valid
video input, a separate clock (known as the UTC) is initialized from the RTC and maintains Universal
Coordinated time (UTC) accurately from the video input so that it will not drift. The 7725DSK-LG
automatically updates the RTC clock from the UTC clock to minimize long term time drift. In order to
keep the UTC clock in sync with your house master time code it should also be locked to incoming
linear time code connected to the LTC IN connector. The UTC clock time is internally maintained as
Universal Coordinated Time (UTC) but can also be adjusted for time zone offsets from UTC and for
daylight saving time, and displayed as local time (Local).
3.3.2. Displaying the Universal Time Clock Time
This option is used to display the UTC time clock. The time displays are always shown in the 24 hour
time format.
3.3.3. Displaying the Local Time
This option is used to display the clock time as local time. (UTC time adjusted for the time zone offset
and DST adjustment). The time displays are always shown in the 24 hour time format.
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