October 2017 RiverPro and RioPro ADCP Guide
Page 90
EAR-Controlled Technology Subject to Restrictions Contained on the Cover Page.
CB – Serial Port Control
Purpose Sets the RS-232/422 serial port communications parameters (Baud Rate/Parity/Stop
Bits).
Format CBnnn
Range nnn = baud rate, parity, stop bits (see description)
Default CB811
Recommended Setting. The default setting for this command is recommended for most applications
and 115200 baud is required for Bluetooth operation.
Description The RiverPro/RioPro and the computer MUST use the same communication parameters
to talk to each other (see Changing the Baud Rate in the ADCPs). After valid CB parame-
ters are entered, the RiverPro/RioPro responds with a “>” prompt. Then change the ex-
ternal device’s communication parameters to match the RiverPro/RioPro parameters be-
fore sending another command.
Table 11: Serial Port Control
Baud Rate Parity Stop Bits
1 = 1200 1 = None (Default) 1 = 1 Bit (Default)
2 = 2400 2 = Even 2 = 2 Bits
3 = 4800 3 = Odd
4 = 9600 4 = Low (Space, logical 0)
5 = 19200 5 = High (Mark, logical 1)
6 = 38400
7 = 57600
8 = 115200 (Default)
If a BREAK is sent before changing the external device’s communication parameters, the
RiverPro/RioPro returns to the communication parameters stored in non-volatile memory
(user settings).
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