7.2  PARAMETER CONFIGURATION 
 
Press and hold  and then press  to enter into password screen.  Use  and 
to increase/decrease values and input the corresponding password    0~9; Use 
or    to  move  the  cursor;  after  you  have  input  the  fourth  digit  press      to  verify  the   
password.  If  the  password  is  correct,  you  will  enter  into  parameter  setting  menu; 
otherwise you will exit directly. (Factory default password is 1234 and it can be changed 
by users). 
Press         and         to scroll screen; select parameter you want to configure and   press 
 
key (the parameter will highlight with  black), press  key or  key to change
 
parameter  value,  press  or  to  move  the  cursor  and  press    to  confirm 
setting. 
During parameter configuration, pressing    will exit the interface directly and return to 
the main screen.