MeshGuard LEL IR & CO2 IR User’s Guide 
 
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Settings can be changed as follows: 
1.  When a menu is selected, it flashes between two screens. For example: 
 
      
 
2.  Press [MODE] to exit Program Mode and return to Detection Mode, or press [N/-] to advance 
to the next menu. 
3.  Press [Y/+] to enter. The LCD displays “go.” 
5.9.2.  Exiting Programming Mode 
You may exit Programming Mode anytime and return to Detection Mode in either of these two ways: 
 
1.  Press [MODE]. The instrument exits Program Mode and shows the current reading in Detection 
Mode. 
2.  Do not press any buttons for 1 minute. The instrument automatically exits Programming Mode 
and returns to Detection Mode, showing the current reading. 
 
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