■  The measurements disappear and are replaced 
by dashes. The MX 32 controller continues to 
monitor the sensor(s) but the display is hidden. 
Reminder: for security reasons, only trained personnel (with access 
codes) are authorized to use the menus listed below. 
To quit a menu at any stage, press the   (-) and   (+) buttons 
together. 
■  Press the   button (MENU/ENTER). 
■  Request for access code.  
  Note: the first number is blinking. 
  If there is a response within one minute, the unit 
will return to normal mode.  
■  Enter the first digit of the code.  
  Press   (-): to decrease the number. 
  Press   (+): to increase the number. 
  Press   (ENTER): to confirm the number. 
■  Proceed to the next stage for each of the other 3 
numbers in the code. 
■  Final display of the access code.  
■  Confirm the code by pressing  (MENU/ENTER). 
■  The menu flashing PRG (Programming) is 
displayed. 
  See page 18 for instructions on using this menu. 
■  Press   (+) to display the CAL menu 
(Calibration). 
  See page 23 for instructions on using this menu.