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SECTION 5, continued
5.2 The Diagnostic Procedure
1. Fill a clean sample cell to the line with clear water, cap the cell and
place it in the cell compartment. Press
READ and wait until the
reading is finished.
2. Press:
DIAG
The DIAG icon will turn on and 1 will be displayed
below the icon. The instrument will measure the
battery voltage with the lamp off and display the
result in volts (V). Then the lamp icon will turn on
and the instrument will measure the voltage with
the lamp on. The value is briefly displayed before
defaulting to the lamp-off reading. To repeat the
measurement, press
READ.
3. To continuously display the lamp-on voltage, press the
RIGHT key.
The lamp icon will flash. Press the
RIGHT key to turn the lamp icon
off (the lamp is not on during this display).
4. Press the
UP key to scroll through the other diagnostics. Each press
of the key increments the digit in the small numerical display below
the
DIAG icon and the result of the diagnostic measurement is then
displayed. Each press of
READ updates the value. For measurements
made with the lamp off and again with the lamp on, the
measurement with the lamp off is displayed when the diagnostic is
entered. To see the second measurement with the lamp on, press the
RIGHT key (only works with diagnostic codes 1, 7, 8, & 9). The
lamp icon will flash and the lamp-on measurement will be
displayed in volts. Press the
RIGHT key to turn the lamp icon off.
Note: DIAG 8 will display “----” for the lamp-on voltage if a of >10 FNU is placed in
the cell compartment.
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