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Hach DR/820 - Erasing All Stored Data

Hach DR/820
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40
SECTION 5, continued
example, if the user has stored data into storage numbers 6, 10
and 15, those are the only accessible numbers in the Recall
option. Available storage numbers are not shown as a Recall
option because no data has been stored for recall purposes.
When a number of sample readings have been stored and a
specific reading must be recalled, proceed as follows:
1. Press the
I/O key to turn the colorimeter on.
2. Press the
RECALL key to access the RECALL Menu.
3. A beep indicates that no data is presently stored.
4. Press the number key(s) or either
ARROW key on the keypad
to scroll to the desired sample number.
5. Press the
ENTER key. The stored reading will be displayed.
6. A beep indicates that no data is stored as that sample number.
7. While the stored reading is displayed, press the
DATE key or
the
TIME key to display the date or time the reading was
stored. Press the
CONC key to display the concentration data.
8. If other stored data is desired, press either
ARROW key until
the data is displayed.
9. Press
EXIT to terminate data recall.
5.2 Erasing All Stored Data
Stored data can be erased and the memory of the instrument
cleared using the procedure that follows.
1. Press the
I/O key to turn the colorimeter on.
2. Press the
SETUP key to enter the SETUP menu.
3. Scroll using the down
ARROW key until ERASE and ALL
appears on the display.
4. Press the
ENTER key to confirm this selection with
the instrument.

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