User's Manual

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4. SHIP NAME
The SHIP NAME is selected from SHIP NAME and MMSI.
5. GUARD ZONE
The range of GUARD ZONE ALARM can be set. The range is set from 0 to 99.9NM.
 If 00.0NM is set, the alarm is cancelled.
㧔In order to see this operation, refer to 5.2.3.1 GUARD ZONE ALARM㧕
6. The number of ships displayed in Graphic screen
The number of ships displayed in Graphic screen can be limited.
The number is selected from 8,16,24,32,200 with  key or  key.
This function is set in case it is hard to distinguish others in this screen.
7. CONTRAST
The contrast of display can be adjusted.
The range is selected from 1 to 13 with  key or  key.
8. AUTO RANGE
 When a ship (located within 24NM) is selected in the list, Graphic range is set automatically and
is adjusted to its distance.
Select from ON (valid) or OFF (invalid) with  key or  key.