Welder User Manual
69 
AUTOMATIC CO
2
 AND O
2
 DENSITY CALIBRATION 
To calibrate the CO
2
 and O
2
 density, a Semi-automatic one point Gas Calibration Kit (MCO-SG) is available. 
By connecting a standard gas cylinder that has a density that is the same as the set CO
2
 and O
2
 density 
(usually 5% CO
2
 and 5% O
2
), the CO
2
 sensor and O
2
 sensor can be calibrated to maintain the accuracy of 
the CO
2
 and O
2
 density display as necessary. 
● Setting connected standard gas density 
1. Press the MENU Key from the Top Display to display the menu, select Tools, and press the ENTER 
Key. 
2. Press the Down Cursor Key from the Select Tools (1/2) Display to display the Select Tools (2/2) Display, 
and then select Standard Gas Setting, press the MENU Key to display the menu, select OK, and press 
the ENTER Key. 
 S e l e c t  T o o l s  ( 2 / 2 )  
 S t  a  n  d  a  r  d   G  a  s    S e t t i n g  
 S t a n d a r d   G a s  C a l i b r a t i o n  
 M E N U  
  O  K        
 S v c  
 C a n c e l 
 S e l e c t  T o o l s  ( 1 / 2 )  
 T e m p / C O2 / O 2  C alibration   
 A l a r m  Se t t i n g   
    L C D / D A Q S e t t i n g              
 U V  S e t t i n g    
 K e y  L o ck  P W  S etting   
 D  a  t  e    T  i  m e           
 M E N U  
  O  K        
 S v c  
 C a n c e l 
 5 .
1 
T e m p    3  7  .  0
o 
C   C O 2   5 . 0 %  
 O 2  5 . 0 % 
2 
3 
4 
5 
    S t a t u s  
6 
  O K     
7 
37.0 
 5.0 
 5.0 
 M E N U  
 S e t  
 L o g  
  T  o  o  l  s   










