Instruction Manual

ERROR SCREENS

Wrong standard

The calibration cannot be confirmed.

The EC reading is not close to the selected standard. Select another standard

using the ARROW keys.

• After the fourth calibration point is confirmed, immerse the EC electrode into the

fifth standard solution and stir gently.

• If necessary, press the ARROW keys to select a different standard value.

• The “ ” tag will blink on the LCD until the reading is stable.

• When the reading is stable and close to the selected standard, the CFM

functional key is displayed.

• Press CFM to confirm calibration.

• The instrument stores the calibration values and returns to normal mea-

surement mode.

FOUR, THREE or TWO-POINT CALIBRATION

• Proceed as described in “FIVE-POINT CALIBRATION” section.

• Press CAL or ESC after the appropriate accepted calibration point. The instru-

ments will return to measurement mode and will memorize the calibration data.