Using A Programmed Method - Hach DR/820 Instrument Manual

SECTION 3,
continued

3.5 Using a Programmed Method

1. Prepare the standard.
2. Use the standard as the sample in the procedure.
3. When the reading for the standard is obtained, press
4. Use the
ARROW
5. Press to activate the standard adjust option.
ENTER
6. Enter the concentration of the standard used.
7. Press . The standard adjust icon will be displayed,
ENTER
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
2. Enter the stored-program number and press
3. Press the
SETUP
4. Press an
ARROW
Note: On will be displayed if an adjustment is in use.
5. Press twice.
ENTER
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.
29
keys to scroll to the "
key.
key
key to display .
STD
SETUP
" setup option.
STD
.
ENTER
.