2—20
User-Entered Calibration, continued
16. Press the MENU key twice to exit and accept the changes. The instrument will
use this calibration to determine the displayed concentration of future sample
measurements.
Entering a Predetermined Calibration Curve
Note: Entering a predetermined calibration curve requires at least two data pairs. Each data
pair requires a concentration value and the absorbance value for the given
concentration. Up to 10 data pairs may be entered. This procedure uses the
Edit mode.
1. Turn on the instrument and select the range to be calibrated. An arrow at the
top of the display will point to the selected range. To change ranges, press the
MENU key, then use the READ/ENTER key to toggle between ranges 1 and 2.
Press
MENU again to return to measurement mode.
2. Press the
MENU key and hold it down until the display shows “USER”, followed
by “CAL”. Press
ZERO/SCROLL to scroll to EDIT. Press READ/ENTER.
3. In uncalibrated meters or in Abs range, “RES” will appear. Press ZERO/SCROLL.
To change the resolution (decimal placement), press
READ/ENTER. Press
ZERO/SCROLL to select the new resolution, then press READ/ENTER to accept.
“S0” will appear on the display.
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