7.4.2  Initialization of Memory Area (Area Initial) 
 
If system operation is unstable, it may be stabilized by initializing the memory area.    To initialize the 
memory area, follow the procedure in this section.    The memory area is reset to the factory setting when 
initialized. 
 
[I]  Partial Master Reset 
 
 
  Procedures    1.  Open the Serviceman Menu. 
 
2.  Open the Partial Master Rest menu by performing the following menu 
operation. 
 
        3. Maintenance Menu   
 → 2. Area Initial   
 → 1. Partial Master Reset   
 
3.  Select the items to be initialized. 
 
  Serviceman Menu    : The set values in the Serviceman menu are initialized. 
  Except Serviceman Menu   : The set values not in the Serviceman menu are 
initialized. 
  User Setting    : The user setting values are initialized. 
  TT Setting    : The set values for the target tracking function are 
initialized. 
  AIS Setting    : The set values for the AIS function are initialized. 
  Day/Night    : The color scheme and brilliance setting for the day/night 
mode are initialized. 
  JRC Card Copy Record    : The history of JRC charts copied on the memory card is 
erased. 
 
4.  Select  Yes  in the Confirmation Window. 
 
The memory areas of specified items are initialized, and the system is restarted. 
 
 
[II] All Master Reset 
 
 
  Procedures    1.  Open the Serviceman Menu. 
 
2.  Open the All Master Rest menu by performing the following menu 
operation. 
 
        3. Maintenance Menu   
 → 2. Area Initial   
 → 2. All Master Reset   
 
3.  Select  Yes  in the Confirmation Window. 
 
The whole memory area is initialized, and the system is restarted. 
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