According to MOBA-NMS preconfigured timezones#

This setting is suitable for NTP, PoE, WiFi and WiFi5 digital clock where several user defined timezones entries should be used. The timezone entries are preconfigured by means of the MOBA-NMS software.

Item

Function

Description

o1

A

NTP protocol uses UTC timezone

o2

A

automatic

o5

0

no timezone server is used

d2

U1–U7

display time and date according to chosen preconfigured timezone entry including daylight saving time