System Maintenance 
6-4 
 
c)  Press [Set] key. Then select the driver and the path of the preset data file. 
d)  Move the cursor to [OK] and press [Set] key.   
6.2.1. Software  Upgrade 
1.  Press [Preset] key to enter the preset menu. 
 
2.  Move the cursor to [Maintenance] and press [Set] key to enter the following dialog 
box. Input password into the dialog box. 
 
3.  Move the cursor to [OK] and press [Set] key to enter the maintenance menu.