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10.2 Selecting % Saturation or ppM (mg/L) Readout
Switch the mini
CHEM
-DO
2
OFF before changing any jumper settings.
10.2.1 % Saturation Configuration
1. Set the
ppM
jumper in the terminal area to be open. Fit the jumper to one of the
pins, as shown below, in case this is needed later.
ppM
or
% Sat
J4
2. (a) Remove the function knob and the four screws at each corner of the
front panel. Remove the front panel.
(b) The
Decimal Point
jumpers are three pairs of jumpers, located at the
top left hand side of the display.
Set the
Decimal Point
jumpers as shown below.
3. Ensure that the Red and Blue of the sensor cable ARE NOT connected to
terminals 1 and 2 (see the connection diagram in section 3.1).