Calibration Menu (Rx) - eSelect M
From main screen select OK and using the right arrow
Keep scrolling until screen on the right is shown.
Press the OK button to begin ZERO calibration. Zero
calibration can be carried by either using a blanking
plug or by short circuiting the BNC connector.
Press OK to highlight the mV reading then using the
left and right arrow buttons adjust the display to match
0 mV and confirm by pressing the OK button.
Press the right arrow to go to Slope Calibration and
place a clean electrode into 450mV buffer. Leave for a
while and adjust the reading to match the buffer being
used followed by OK to confirm. Press ESC when done.