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DIGITAL INTERFACE (IEC 61162-1 EDITION 2)
Output sentences of channel 1, 2 (NMEA/CIF 1, NMEA/CIF 2)
VBW, VTG, VLW, VHW. (VTG is not output when the bottom echo has not been acquired. Heading
data in VTG and VHW is "null.")
Transmission interval
2 s for any sentence
Data transmission
Data is transmitted in serial asynchronous form in accordance with the standard referenced in2.1 of
IEC 61162-1. The first bit is a start bit and is followed by data bits, least-significant-bit as illustrated
below.
The following parameters are used:
Baud rate: 4800 Data bits: 8 (D7 = 0), parity none Stop bits: 1
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