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Autocue QBox User Guide User Manual

Page 68

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Appendix C: Time Synchronisation
Time signals
Operational scenarios requiring synchronisation

QBox
Installation & Operation
Guide

Issue #: 090924 ©2003-2009 Autocue Group Ltd

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If you are moving an existing QBox to a different network, it is

recommended that you remove all time sources from the list associated

with Time Synchronisation Daemon.

Standalone network with one or more QBoxes.

If you are establishing a self-

contained network, it is recommended that you either:

Install the Bonjour software on the computer and configure the QBoxes to

use the Time Synchronisation Daemon with the time source set to Automatic

Network Discovery on the QBox and the computer configured with Local

Clock as the time source.

or

Use the local clock of the computer and specify Network Host as the time

source on the QBox and manually enter the IP address or host name of the

computer.

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When you use either of these methods you should remove all time sources

that may have been configured for use with NTP.

Adding a QBox to an existing network with no synchronisation.

Install the

Time Synchronisation Daemon on a machine on the network, for example the computer running

the QMaster software. Configure this machine so that Local Clock is set as the time source for it.

You should then set all other hardware on the network to obtain a time signal from the machine

with the master time source. You can does this by configuring the QBoxes to use either Automatic

Network Discovery or select Network Host source and specify the host name or IP address of the

computer with the master time source.

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When using this method you should remove all time sources that may have

been configured for use with NTP.

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If you have a spare QBox used for backup purposes you should pre-

configure it to automatically search for a time source on a network so that

it will synchronise with an existing time source.