YSI 5000 - Manual (Page 69)

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The P commands are for requesting system information.
Command type parameter description
P 0 none Request calibration parameters
P 1 none Request solubility table dump
P 2 none Request raw A/D
P 3 none Request System status
The system Setup commands.
Command type parameter description
S 0 nn.n set salinity to nn.n
S 1 hh:mm:ss set time of day, 24 hour clock
S 2 mm/dd/yy set calendar
S 4 1 emit an audio beep from beeper
S 5 0 DO. calibration and display mode is %
S 5 3 DO. calibration and display mode is mg/L
S 7 nnn.n Set DO. calibration value
S 9 0 Disable audio feedback
S 9 1 Enable audio feedback
Software Version requests:
Command type parameter description
V 0 none request software version
V 1 none request version date
V 2 none request model number
Reset command:
Command type parameter description
E none none reset system to defaults