DFM 6.1 INSTRUCTION MANUAL 
 
8 
KEYPAD SYSTEM 
 
The diagram on the next page shows the DFM 6.1 menu system. Arrows show the four directions to leave a menu 
box. Pressing a corresponding keypad arrow will move to the next item in the direction shown. Move the cursor 
(highlighted) under numerals and increase or decrease numerals with the  and  keys.     
 
To store calibration values permanently (even through power interruptions), press the  button.