5. Operation
5.1 Display elements
When the measuring device 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 con-
nected and the SD card must be inserted in the measuring device. Then the measuring device
is in measuring 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. Save measurement values
M. Auto Power-Off: P0: permanently on; P1: 10
minutes after the last button actuation
N. An hourglass indicates that the calibration
is in progress
O. Oxygen measurement, dissolved
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