Master and Slave Relationship - SyncBac PRO

Timecode Systems products, including your SyncBac PRO unit, use a relationship to maintain highly accurate timecode settings. It is important that you understand how the master-slave relationship works, as you will need to set each SyncBac PRO in your RF network to run in either master mode (GP Master TX) or slave mode (RF Slave).

Tip: If you use a Timecode Systems :pulse as the master, you can do much more than synchronise the timecode. With the free BLINK Hub app, you can remotely control and monitor your SyncBac PRO units and the GoPro HERO cameras they are attached to (see Remote Control and Monitoring with :pulse).

To synchronise the timecode of multiple Timecode Systems devices, you need to set up an RF network. An RF network is a group of devices that are all set to the same country/area and the same RF Channel. In the network, one device has to be set to run as the master, and the other devices have to be set to run as slaves.

The master is the dominant device, and it can either:

  • Generate the timecode and pass it to all other connected devices
  • Receive and retransmit the timecode.

The master sends its timecode data to the slaves (via radio). When the slaves receive the timecode, they change their own timecode settings to match.

masterandslaves-syncbac.svg

In the image shown, the SyncBac PRO units are set to run as slaves and the master is a Timecode Systems:pulse. In an RF network, your SyncBac PRO can run as a slave or as a master.

Each slave communicates with the master regularly, to make sure they remain synchronised.

masterandslavecontinuouscomms.svg

If a slave is out of range of the master, it will free-run (see What if a Slave Cannot Find a Master?).

Note: There should be no more than one master per RF network. 

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