GlobalTime Electronic Double-sided Display, Руководство пользователя

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6.4 Some LED segments are dark.
Re-power the device. Check whether there are dark segments under self-check state. If there
were,the clock needs to be returned to the manufacturer for repairing.
6.5 The client software fails to search the clock.
To make sure that the user
’
s computer and the clock are in the same subnet, and the firewall is set
correctly.
6.6 The clock can not synchronize with any time server.
User should make sure that his network can visit Internet time source, and the time server has run its
NTP service successfully.
We have a software to help user check whether a server has run its NTP service successfully.
6.7 The clock face is dark.
The clock applies POE technology, which gets power through the network. Make sure that the switches
support POE.
6.8 The light at the bottom right corner illuminates nonstop.
This status indicates that the clock can not synchronize with the time server preset. Check the network
configuration and the operation status of the time server.
7. Warranty and Maintenance
Warranty stretches for one-year. If necessary, please ship the product back within the Warranty to the
following address:
A2-1 ,No.399 Dakang Road, Daliu Industrial Park, Shanghai200443, China