Tektronix MTM400 Manual do Utilizador descarregar pdf (Página 47)

Operating Basics

MTM400 MPEG Transport Stream Monitor User Manual 2-13

Time Zones

An inevitable consequence of allowing the RTM device user interface to be

accessed across networks is the crossing of time zones. Various features of the user

interface display timing information, including the Log files. You need to know the

time source being used to record events. Also, when scheduling the loading of

configuration files, time zones must be taken into account (see Scheduling,

page 3-91).

Figure 2-8 shows a typical setup in which an MTM400 is located in Denver and is

monitored from Portland. In local time, Portland is one hour behind Denver. In this

example Universal Coordinated Time (UTC) is 10 p.m. Therefore the local times

in Portland and Denver are 2 p.m. and 3 p.m. respectively.

Denver

Local Time = 3 p.m.

UTC = 10 p.m.

UTC/Local Offset = -420 minutes

Portland

Local Time = 2 p.m.

UTC = 10 p.m.

UTC/Local Offset = -480 minutes

UTC = 10 p.m.

USA (part)

Figure 2-8: Time zones - illustration

The MTM400 user interface allows you to coordinate times of the system elements

and to choose the local reference time zone; UTC, local time at the client PC or

local time at the RTM device. All times are calculated with respect to Universal

Coordinated Time. (See Device Configuration - Set Time, page 3-9.)

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Tektronix MTM400 Manual do Utilizador Página 47