JRC JMA-3400 Series, Instruction Manual, Page: 110 / 314

Chapter 5 VARIOUS FUNCTIONS
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5.6 AIS OPERATIONS
AIS is shows the target's information on the radar display, using other ship's information sent out from the AIS
unit. Furthermore, the AIS displaying function of this unit does not conform to IE C62388 / 62288 in operation
and symbol display. Thus, it is a simplified AIS displaying function.
Reference:
To use this function, ship’s heading, position and AIS information are required.
For AIS function of settings, see "5.24 AIS/TT."
The specified target data is displayed.
BRG and RNG shows the relative positional information which is observed from the own ship. COG and SOG
shows ground speed and ground course of the target. Position information is measured through the GPS
which is equipped to the ship.
The target data will remain on the radar display until the target is lost, or until another target is designated.
The displayed AIS data can be closed by press the CLR button.
AIS No. CPA Closest point of approach.
Ship’s name TCPA: Time to CPA.
BRG: Target bearing from own ship direction. RNG: Target range from own ship position.
HDG: The ship’s heading. MMSI: The ship’s MMSI (Country).
COG: The ship’s course over ground. Call Sign The ship’s call sign.
SOG: The ship’s speed over ground. Type The ship’s ship type.
ROT: The ship’s rotation. B/L: The ship’s beam/length.
Draft: The ship’s draft. The ship’s navigation status
Press
Move the cross cursor to the AIS for which
you want to check information.
Information on the selected AIS is displayed
at the bottom of the screen.