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SWITCH DATA COMMAND (con't)
Byte 23
Reserved
Always 0
Byte 24
Switch Delay
The echo sounder can be commanded to pause (from 0 to 510 msec)
before sending its return data to allow the commanding program
enough time to setup for serial reception of the return data.
0 to 255 in 2 msec increments
Byte 24 = delay_in_milliseconds/2
Do not use a value of 253!
Byte 25
Frequency
0
=
675 kHz
Byte 26
Termination Byte
The echo sounder will stop looking for Switch Data when it sees this byte.
Always
0xFD
(253 decimal)
