Orolia Spectracom VelaSync 1232, Руководство пользователя

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March and the “DST out” date is the first Sunday of November).
Australia .
Note: If a pre-configured rule DST rule happens to be changed
in the future (like the change to the US DST rule in 2006), this
option allows the DST rules to be edited without the need to
perform a software upgrade for a new DST rule to be defined.
Select this drop-down and enter the DST parameters for the
new rule.
7. DST Start Date and DST End Date : This option is provided for locations that do not
follow any of the pre-configured DST rules. Click anywhere in either field to open a
calendar, allowing you to enter any custom day & time rule.
8.
Offset : In seconds. Use this field to manually define your local clock’s DST offset
e.g., 3600 seconds for a one hour offset.
9. DST Reference : When configuring a Local Clock that is synchronized to an input ref-
erence (e.g., IRIG input), VelaSync needs to know the timescale of the input time
(Local Timescale, or UTC Timescale), in order to provide proper internal conversion
from one Timescale to another.
Select
Local or UTC , depending on the Timescale of the Input reference this Local
Clock is being used with.
Additional Local Clocks may need to be created if multiple input Timescales are
being submitted.
10. Click Submit . Your local clock will appear in the Local Clocks panel.
3.2.4.2 DST Examples
The following two examples illustrate the configuration of Daylight Savings Time (DST) for
a Local Clock:
E x a m p l e 1 :
To create a Local Clock to UTC+1 with no DST rule:
1. Navigate to
MANAGEMENT > Time Management: Local Clocks > (+): Local
Clock
.
2. In the
Local Clock Name
field, assign a meaningful name to the new Local Clock.
3. From the
UTC Offset
pull down menu, select “UTC +01:00”.
4. Confirm that the
Use DST Rules
checkbox is not selected.
3.2 System Time
CHAPTER
3
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