29
SECTION 3, continued
1. Prepare the standard.
2. Use the standard as the sample in the procedure.
3. When the reading for the standard is obtained, press
SETUP.
4. Use the
ARROW keys to scroll to the “STD” setup option.
5. Press
ENTER to activate the standard adjust option.
6. Enter the concentration of the standard used.
7. Press
ENTER. The standard adjust icon will be displayed,
indicating that the curve has been adjusted with the standard.
Note: If the attempted correction is outside the allowable adjustment
limit, the instrument will beep and flash the error icon and the
operation will not be allowed.
To eliminate the standard curve adjustment:
1. Press the
PRGM key.
2. Enter the stored-program number and press
ENTER.
3. Press the
SETUP key
4. Press an
ARROW key to display STD.
Note: On will be displayed if an adjustment is in use.
5. Press ENTER twice.
3.5 Using a Programmed Method
Hach programmed and user-entered program options are
available on this instrument. The Procedures Manual supplied at
the time of purchase contains all currently available Hach-
programmed methods. Up to ten user-programmed methods may
be entered into the instrument. See Creating a New User-entered
Program on page 33 for instructions for this function. Table 3
shows the components of typical factory programmed
test method.
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