5. Operation
5.1 Display elements
When the instrument is switched on, it initialises. The serial number of the connected sensor
appears in the display during this process. For this purpose, the sensor must be connected
and the SD card must be inserted. Then the instrument is in measurement mode and the
following display appears:
A
O
N
M
L
H
K
SD_400 Oxi L_1 01/2016
B
C
D
J
I
A. Date
B. Time
C. Salinity correction On/Off
D. Battery status
E. Temperature display in °C or °F
F. Oxygen saturation in %
G. Display of the pressure value
H. Display of the oxygen value in mg/l or ppm
I. System settings for display A,B,C,E,H and J
J. Performance of the single-point calibration
or calibration settings
K. Call-up of stored measurement data
L. Saved measurement values
M. Auto Power-Off: P0: permanently on; P1: 10
minutes after the last button is pressed
N. An hourglass indicates that the calibration
is in progress
O. Oxygen measurement, dissolved
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