JRC JMA-5204 Instruction Manual page 142

Trails modes provided with this system vary depending on the motion mode.
With true motion (TM) mode:
With relative motion (RM) mode: The relative motion trails mode or true motion trails mode is
While the true motion trails mode is active, this system enables the continuous use of true motion
trails even if any of the following operations is performed:
Motion display mode change [TM/RM] key
TM reset [TM/RM] key
Bearing display mode change [AZI MODE] key
Center move [OFF CENT] key
MAP display on/off [MAP] key
* Software button
change trial motion mode.
Note: Accurate true bearing signals and speed signals are necessary for using the true motion trails
mode.
Changing Motion Mode of Trails (Trails mode)
Procedure 1
2
For other settings, see Section 3.9.2 "Set Radar Trails
(RADAR Trails Setting)."
located at the other ship's information area in Section 2.3.6 is also available to
Press [RADAR MENU] key twice.
Press [7] key.
The RADAR Trails Setting Menu will appear.
Press [2] key.
The setting of radar trails display mode will be
switched between TRUE and RELATIVE.
TRUE : True motion trails
RELATIVE : Relative motion trails
Only the true motion trails mode is available.
selectable.
RM(R) is indicated while the relative motion trails mode is
active.
RM(T) is indicated while the true motion trails mode is
active.
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