Calibration Value Setup - GASDNA DA-770 Quick Start Manual

6. Calibration Value Setup

It is a screen that can calibrate ZERO and SPAN according to the current concentration value.
Calibration should be performed according to the current concentration value and
Check ZERO and SPAN values.
① It is the concentration value that appears now.
▷ This is where the concentration value for sensor calibration is set.
When you click the button on the concentration value notation, the keypad appears
on the screen.
The current value appears on the keypad, and you can enter a value to change it.
② The ZERO calibration setting is a fixed zero value,
and only the SPAN calibration setting needs to be adjusted.
③ After setting the concentration value to be calibrated, it is the final calibration button,
and you can select OK in the reconfirmation message.
④ The results after ZERO and SPAN calibration are shown.
② ③
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DA-770