Hach 59530-16, Instruction Manual

Page: 90 / 112

2—18
User-Entered Calibration,
continued
3. Insert the reagent blank or deionized water into the meter and cover with the
cap. Press the
ZERO/SCROLL
key. The meter will display “- - - -”, followed by
“0.000”. This initializes (zeroes) the meter.
4. Press the
MENU
key and hold it down until the display shows “USER”, followed
by “CAL”. Press
READ/ENTER
to enter the calibration mode.
5. In factory-calibrated meters, S0 will appear in the display.
Note: When recalibrating a factory-calibrated meter or range, RES (resolution) cannot
be changed.
6. In uncalibrated meters or meters with ranges labeled Abs, “RES” will appear.
Press
ZERO/SCROLL
to review the current resolution (decimal placement). Press
ZERO/SCROLL
again to accept the current resolution. To change the resolution,
press
READ/ENTER,
then
ZERO/SCROLL
to change the resolution. Press
READ/ENTER
to accept the new resolution. “S0” will appear on the display.
7. Press the
READ/ENTER
key again, then enter the blank value.
Note: Press the
READ/ENTER
key to move from digit to digit. Use the
ZERO/SCROLL
key to
change the number.
8. After completing entry of the blank value, press the
READ/ENTER
key. The
display will show “A0”.