LaMotte Tracer PockeTester, Manual

Page: 9 / 12

9
OPERATIONAL MATRIX
Function /
Resulting Action
Power
Status
Mode
Setting
Required Button Press Sequence
ON/OFF Any Any Momentary press of the ON/OFF button
Water Saturated
Air Calibration
On Any Place electrode in electrode cap. Press &
hold CAL button for 2 seconds.
Zero Calibration On Any Place electrode in zero DO solution. Wait
for stability. Press & hold CAL button
for 2 seconds. Also works with probe
removed. (Cal at zero current).
Store Reading On Any Momentary press of MODE button.
Stores and holds reading. ‘HOLD’
displayed.
Hold Release On While In
Hold Mode
Momentary press of the MODE button.
Enter Memory
Retrieval
On Any Momentary press of CAL button followed
by a momentary press of the MODE
button within 4 seconds. If no data is
stored in memory, ‘End’ is displayed
briefly, and then returns to last mode.
Scroll Stored
Readings
On Memory
Recall
Momentary press of MODE button.
Exit Memory
Retrieval
On Memory
Recall
Momentary press of CAL button.
Clear Stored
Memory
On Any
Measure-
ment Mode
Press and hold ON/OFF button for 4
seconds, ‘clr’ is displayed.
Change
Measurement
Mode
On Any Press and hold MODE button for at least
two seconds. Modes will scroll until button
is released.
Enter Salinity
Compensation
On Any Press and release the CAL button twice
quickly in succession. ‘SAL’ is displayed.
Changing
Salinity
Compensation
On SAL Momentary press of MODE button. Each
button press increases the ratio by 1 ppt
(part per thousand). The value cycles from
0 to 50 ppt.
Exit Salinity
Compensation
On SAL Press and release CAL button for 2
seconds to enter Altitude Compensation.
Or press and release CAL button one
more time to enter measurement mode. It
is necessary to press CAL button to save
changes. If the unit times out, no changes
are saved.
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