Chapter 15 Communications
15-36
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To configure clock synchronization:
1. Under the Communications menu, select
Clock Sync > Configure.
The Clock
Synchronization menu displays.
2.
In the
Clock Sync
field, specify whether or not to synchronize the Propaq M internal real
time clock to an external time source.
—
Select
SNTP
if you would like to synchronize the Propaq M clock to an external time
source.
—
Select
None
(default) if you do not wish to synchronize the Propaq M internal real time
clock to an external source.
3.
In the
Time Server Name
field, specify the time server to use for clock synchronization by
either entering the host name or an IPv4 address for the server.
4.
In the
Time Server Port
field, enter a numeric UDP port number for connecting to the
external server. The default is 123.
5.
In the Daylight Saving Time field, indicate whether to use Daylight Saving Time or not by
selecting
On
or
Off
(default) as appropriate. Adjustments to Daylight Saving Time take
effect immediately and must be manually adjusted at every transition between Standard Time
and Daylight Saving Time. The Daylight Saving Time offset is zero if Daylight Saving Time
is set to
Off
and 60 minutes if Daylight Saving Time is set to
On
.
Note:
UTC time is a constant reference time. It does not change to reflect Daylight
Saving Time or Summer Time. The Daylight Saving Time field allows you to
accommodate locales that observe Daylight Saving Time or Summer Time. So, for
example, UTC is 5 hours ahead of local time on the east coast of the United States
during winter, but 4 hours ahead during summer.
6.
Indicate the time zone offset value to use for your particular locale in the
Time Zone Offset
Hours
(default 0) and
Time Zone Offset Mins.
(default 0) fields as appropriate.
When you are done entering data, press the back arrow (
) to return to the Supervisor >
Communications menu. When changes are made on the Clock Sync menu the Propaq M
attempts to synchronize its time if a network connection is available. To ensure the real time
clock never changes during patient treatments, any necessary clock synchronization corrections
will not occur, however, until the unit has been off for at least two minutes and prior to the start
of a new case.
