ComPort:(2)Aux#1,(3)Aux#3,(4)Rosette
Com. [2..4]:3
Speed(BPS):(3)2k4,(4)4k8,(5)7k2,(6)9k6,(7)19k2,(8)38k4,(9)57k6,(10)115k2
Baud Rate :7
Data bit:(0)7 bit, (1)8 bit
Data bit :1
Parity:(0)None,(1)Even,(2)Odd
Parity type:0
Stop bit:(0)1 bit, (1)2 bit
Stop bit :0
Flow Control:(0)None,(1)CTS/RTS,(2)DelayTx
Flow cnt :0
Wait data timeout [ms]:1000
Sample rate [ms]:2000
At the end of the configuration of external sensors the configuration procedure is completed. To
make the new configuration effective, it is mandatory to switching off and then on the OCEAN
SEVEN 310.
C6.4 CALIBRATION
Calibration is carried out by using the CASE command available under the CALIBRATION MENU.
Two calibrations must be carried out: Saturation and ppm. When the list of sensors appear on the
ITERM window select in sequence first the Saturation Optical dissolved oxygen sensor OPT_O2%
and then the PPM optical dissolved oxygen sensor OPT_O2.
Once selected the OPT_O2% sensor from the list the below message appears on the ITERM window:
OPT_O2% sensor calibration
Gently wipe O2 membrane and Temperature sensor
Type <any key>To continue, <ESC>To leave
Using a soft paper gently wipe and well dry the O2 membrane and the temperature sensor as
suggested. Afterward the calibration procedure is carried out automatically. The below message
appear:
Calibration completed:
Phase shift 0%=53000, 100%=20550
Signal Intensity (300 - 500): 358.162000
Ambient light intensity : 49.550000
Signal intensity should be, for optimal sensor operation between 300 and 500. Afterward the
correction coefficient can be introduced
Enter Altitude above sea level [m]:0
If the altitude is 0 (sea level) no correction is required, leave the shown value (0); Otherwise enter the
altitude. The CTD calculates by themselves the relative atmospheric pressure.
Oxygen correction coefficent
Correction coefficient:1
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