Hach-Lange SI794 D User Manual - Manual (Page 71)

Display Action Remark
Main display:
Zero current
Press enter to save the value
or correct it using the arrow
keys and then save by
pressing enter.
Secondary display:
Sensor current measured
Display of slope
Display of new zero current.
Press enter to end calibration,
place sensor in the process
New calibration:
Press cal key.
Select calibration
(Press cal key).
Enter passcode: 1001
Select position using ,
edit number using ,
press enter to proceed.
Zero
Place sensor in oxygen-free
medium
The oxygen value is shown in
the main display alternately
with “Hold”, “enter” blinks.
Press enter to stop Hold.
After end of
calibration, the out-
puts remain in Hold
mode for approx.
20 sec.
The transmitter is in
the Hold mode.
If an invalid code is
entered, the trans-
mitter returns to
measuring mode.
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