LaMotte Tracer Dissolved Oxygen Meter User Manual
Page 13

OPERATIONAL MATRIX
Function/Resulting
Action
Power Mode
Button Press
Sequence
On/Off
On or
Off
Any
Momentary press of
ON/OFF button
Water Saturated Air
Calibration
On
Any
Place electrode in
calibration cap. Press and
hold CAL/RECALL
button for 2 seconds
Zero Calibration
On
Any
Place electrode in zero
solution. Wait for stable
reading. Press and hold
CAL/RECALL button for
2 seconds.
Store Reading
On
Any
Momentary press of
MODE/HOLD button
Hold Release
On
Hold
Momentary press of
MODE/HOLD button
Enter Memory Retrieval
On
Any
Momentary press of
CAL/RECALL button
followed by a momentary
press of MODE/HOLD
button within 4 seconds.
Scroll Stored Readings
On
Memory
Recall
Momentary press of
MODE/HOLD button.
Displays last in first out.
Exit Memory Retrieval
On
Memory
Recall
Momentary press of
CAL/RECALL button
Clear Stored Memory
On
Any
Memory
Mode
Press and hold the
ON/OFF button for 4
seconds. “clr” is displayed.
Change Measurement
Mode
On
Any
Press and hold
MODE/HOLD button for
at least 2 seconds. Modes
will scroll by until button
is released.
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