General notes – Functional description
GB
Replacement of batteries:
(F) instrument back
(D) batteries
CAUTION:
To ensure that the instrument is water proof:
•
seal ring (E) must be in position
battery compartment cover (B) must be fixed with the four screws
•
If the batteries are removed for more than one minute the date and time menu starts auto-
matically when the photometer is switched on the next time.
On
Off
METHOD
Mode
METHOD
Zero
Test
METHOD
0.0.0
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Operation
Switch the unit on using the [ON/OFF] key.
The display shows the following:
Select the required test using the [MODE] key.
Scroll Memory (SM)
To avoid unnecessary scrolling for the required test method, the instru-
ment memorizes the last method used before being switched off. When
the instrument is switched on again, the scroll list comes up with the
last used test method first.
The display shows the following:
Fill a clean vial with the water sample up to the 10 ml mark, screw
the cap on and place the vial in the sample chamber making sure that
the
marks are aligned.
Press the [ZERO/TEST] key.
The "Method" symbol flashes for approx. 8 seconds.
The display shows the following:
(B) battery compart-
ment cover
(E) seal ring
(A) screws
(C) notch
MD100_1 02/2018