RA83/84/85/93/94/95 Series Chapter 6
Using The Menu Operation Manual
6.2.1.4 BRG TRUE/REL (Bearing True or Relative)
Indication Meaning Selection
BRG TRUE/REL Bearing Mode REL, TRUE
(True or Relative)
6.2.1.5 STERN MKR (Stern Marker)
Indication Meaning Selection
STERN MKR Stern Marker OFF, ON
6.2.1.6 CURSOR L/L (Cursor Position Indication)
Indication Meaning Selection
CURSOR L/L Cursor Position OFF, ON
(Latitude/Longitude)
6.2.2 ECHO (Echo Menu)
The ECHO menu has various functions associated with radar echo presentations and
signal processing as described below.
6.2.2.1 TRAILS (Echo Trail Setting)
Indication Meaning Selection
TRAILS Radar Echo Trails OFF, EVERY, 15SEC, 30SEC,
1MIN, 3MIN, 6MIN, 12MIN
OFF: The TRAILS function is turned off.
EVERY scan: All ship’s echoes are plotted on every picture scan.
15SEC, 30SEC, 1MIN, 3MIN, 6MIN and12MIN: All ships’ tracks are plotted every
specified time, 15 sec, 30 sec, 1 min, 3 min, 6 min or 12 min.
6.2.2.2 IR (Interference Rejection)
Indication Meaning Selection
IR Interference Rejection OFF, 1, 2, 3, 4
OFF: The IR function is turned off.
1, 2, 3 and 4: The effect of interference rejection increases as the number
increases.
6.2.2.3 ENH (Echo Enhancement)
Indication Meaning Selection
ENH Radar Echo Enhance OFF, ON
When the ENH is set to ON, the target echo, which signal level exceeds a
predetermined level, are stretched towards range for better recognition.
93142105-02 6-7
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