Locking A Fixed Target On The Radar Ppi Screen While The Ship Is Navigating; Commencing True Motion Display - JRC JMA-2343 Instruction Manual

3.3.24 Locking a fixed target on the radar PPI screen while the ship is navigating

Normally, the PPI image moves as the ship moves.
This method of display is called:
Relative Motion
In contrast to this, the display mode in which the echo images from fixed targets such
as land do not move and the location of the ship (center of the PPI) moves according to the
course and speed of the ship is called:
True Motion
In order to undertake TM display, it is necessary to input bearing information and the
ship's speed information from a navigation device.
Please refer to "3.6.1 Obtaining information on bearing" and "3.6.2 Obtaining in-
formation on speed" with respect to information on bearing and on speed.

Commencing True Motion display

Commencing True Motion display Commencing True Motion display Commencing True Motion display
(a) Select "TM" in the line "TM/RM" - the menu "FUNCTION".
The motion display on the PPI screen will change to "TM".
• The bearing display with TM is enabled is only N-UP.
True Motion Display mode: TM
: RM
: TM
FUNCTION
FIX
EBL1/EBL2
PLINE1
NO
EBL2
VRM2
NO
EBL READOUT REL
OFF
ZOOM
RM
TM/RM
HDG MODE H-UP N-UP C-UP
OFF PR1 PR2
PROCESS
SELECT W/CROSS KEY' (
PRESS ENT TO SET
PRESS MUNU TO RETURN
194
FLOAT
PLINE2
YES
YES
TRUE,MAG
SET
TM
)