Hach POCKET COLORIMETER II Instruction Manual page 77

2. Press the
MENU
followed by "CAL". Press
3. In uncalibrated meters or in Abs range, "RES" will appear. Press
ZERO/SCROLL
. Press
READ/ENTER
READ/ENTER
4. Enter the concentration value and absorbance value of the first data pair
(S0, A0).
5. To enter the S0 value, press
select the numerical value, then press the
entry and advance to the next decimal place. Repeat this sequence until
the S0 concentration value is entered.
6. After editing the S0 value, press
the display.
7. To enter the absorbance value for S0, press the
entry mode. Use the
press the
READ/ENTER
decimal place. Repeat this sequence until the absorbance value for S0 is
entered.
User-Entered Calibration,
key and hold it down until the display shows "USER",
ZERO/SCROLL
. To change the resolution (decimal placement), press
ZERO/SCROLL
to accept. "S0" will appear on the display.
ZERO/SCROLL
key to accept the entry and advance to the next
to scroll to EDIT. Press
to select the new resolution, then press
. Use the
READ/ENTER
READ/ENTER
to accept. "A0" will appear on
READ/ENTER
key to select the numerical value, then
2—21
continued
READ/ENTER.
key to
ZERO/SCROLL
key to accept the
key to go to
READ/ENTER