GPS7 GPS Synchronization and Timecode module
ONCE. This sele
ction appears only when you set DST Schedule function to OFF
or ONCE. Press the ENTER button, and then use the left (◄)orright(►) arrow
button to select a digit in the DST setup value to change. An underline character
appears under the selected digit. The date and time digits take the following
form: YYYY-MM-DD HH:MM:SS.
After you select a d igit, use the up (▲)ordown(▼) arrow button to change
the value of the digit. Repeat for each digit as required for your date and time.
Press the ENTER to confirm the change.
NOTE. In ON
CE mode, the pending offset can be positive or negative, which
allows you to add or subtract from the currently applied DST offset.
CAUTION
. An incoming VITC or LTC reference may have DST shift already
applied. To avoid duplicating DST shifts, disable the DST SCHEDULER if the
time of day reference has DST applied.
In ONCE mode, DST offsets can be compounded. This means that if an offset is
currently being applied, and the scheduled time is then changed to a future date,
the newly configured DST offset will be added to the already applied offset. For
example, if an offset of +1 hour is applied on March 9 and the scheduled date is
then changed to March 16, the resulting offset after March 16 will be +2 hours.
RECUR. There are two Recurring selections: DST Start and DST End. These
selections appear only when you set the DST Schedule function to OFF or
REC
URRING. The DST Start time is the time when the DST offset you enter will
be added to the time zone offset. The DST End time is the time when the DST
offset will be removed.
The DST Start and DST End times are edited in the same manner. Press the
Enter button, and then use the left (◄)orright(►)arrowbuttontoselecta
digit in the DST START or DST END value to change. An underline character
appears under the selected digit. The date and time digits take the following
form: Week-Day-Month HH:MM:SS. After you select a digit, use the up (▲)or
down (▼) arrow button to change the value of the digit. Repeat for each digit as
required for your date and time.
For example, if you enter First-Sun-Mar 02:00:00 for the DST Start time, the DST
offset you entered would be added to the time zone offset on the first Sunday in
March at 2 AM. The Week field can be set to the First, Second, Third, Fourth, or
Last. Press the ENTER to confirm the change.
TG8000 Multiformat Test Signal Generator User Manual 3–141
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