Raymarine stand-alone master instrument - Manual (Page 40)

Chapter 6: Calibration 37
6.4 Master/Repeater mode
As it leaves the factory, the ST30 Bidata is set to operate in master mode.
In this mode the instrument is connected to speed and depth transducers,
and transmits data onto the SeaTalk Bus. The Bidata can be set as a
repeater, to repeat depth and speed information already on the SeaTalk
bus.
Repeater mode is set up as follows:
1. Press and hold and Depth for 5 seconds until the display shows U
and a two figure number.
TM
D704
BIDATA
DEPTH SPEED RESET
DEPTH
SPEED
2. Press Depth to display operating mode:
r0 = Master mode
r1 = Repeater mode
TM
D705
BIDATA
DEPTH SPEED RESET
DEPTH
SPEED