3    Basic Operation of ECDIS 3-171
ECDIS 
 
a) Type (Type of chart) 
• S-57:  S-57 chart is displayed.  “C-MAP Ed.2” can be selected for simultaneous 
display. 
• C-MAP Ed.2:  C-MAP Ed.2 chart is displayed.  “S-57” can be selected for simultaneous 
display. 
• C-MAP Ed.3:  C-MAP Ed.3 chart is displayed. 
• ARCS:  ARCS chart is displayed. 
Note: 
•  ARCS can be selected only if the ARCS chart has already been installed and the [ARCS 
PIN] is correctly inputted when the "Navigation & Planning" is started. 
•  ARCS and other S-57 or C-MAP cannot be selected at the same time. 
 
b) Text Size (S-57/C-MAP only) 
 
 
The character size in the text to which the 
  mark is attached can be changed. 
Example: Land region 
 
 
 
Expands characters. 
Reduces characters. 
Small Large 
Small 
Smalld 
Large 
Large 
Large Small 
Large Small 
Large 
Small