Panasonic ELC500 User Manual page 75

What is 'SNTP server'?
It is protocol that is used for synchronizing time of computer or network device using
network.
SNTP server sends clock value for inquiring time adjustment from a client.
It is not necessary to adjust clock manually by using this function.
What is 'Time zone'?
A time zone is a region on Earth where uses same standard time, usually referred to as the
local time. By convention, the 24 main time zones on Earth compute their local time as an
offset from UTC (see also Greenwich Mean Time).
In Japan, it is +0900.
■Automatic acquisition timing
It accesses to SNTP server at selected timing and synchronize the time.
-Power ON
-Every month
-Every week
-Everyday
Note
Be sure to confirm the followings for time adjustment by SNTP.
- It adjusted at the timing of 30-sec. This is a measure to reduce the case of recording in 1
minute or the same record duplication.
- If demand period shifts by time adjustment, it can't calculate demand value in the period
correctly. Even if it adjusts in the same demand period, it effects to demand value.
When ELC500 turn on
Once in a month at setting date
Once in a week at setting day of week
Once in a day at setting time
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ELC500 Control unit