9
• Position the sensor as described in the zero check procedure.
• To initiate the zero start sequence, press the STO and RCL keys at the same time. You will see the
number 3 on the display.
• Decrement to zero with the 6 key.
• The number 32 will be displayed.
• The unit will decrement itself to zero and turn off. The unit is now zeroed.
Comment:
Each key in the zero adjust sequence must be pressed within 5 seconds of the previous key. If the time
between key entries is longer than 5 seconds or if a wrong key is pressed, the unit will display an ERR
3. Turn the unit OFF then back ON and try again.