MoTeC BR2 BTX - Manual (Page 8)

6 Overview
Verifying Operation
See the Trouble Shooting section for test procedures.
Split Beacon Use
The MoTeC Lap Beacon may also be used to generate split times by placing
multiple transmitters around the race circuit. Commonly these are given the
same Mode setting but different ID’s. In this case the ADL will treat all
beacons matching the configured Mode value as split beacons.
Alternatively, if you wish to use only some beacons as split beacons, or use
beacon transmitters with different Mode settings, then these must be listed
using the Advanced Configuration of the BR2 setup software. This is used to
re-map the beacons to a common Mode number.
Split beacons are generally only suitable for private practice, however beacon
Mode 9 has been allocated specifically for split beacon use. It is important to
ensure that only the beacons for split usage are operating on Mode 9
otherwise unexpected beacon signals may be received. Beacon number 999
has been reserved as a master beacon, therefore this ID should generally be
used as the lap beacon. The software for the connected device will normally
need to know the number of the transmitter that marks the start of the lap.
The receiver setup requirements depend on the connection method. See the
Beacon Receiver section for more detail.