JRC JMA-2343, Instruction Manual

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184
• True bearing display (north-up display)
"North" is displayed as direct north of the PPI screen.
Even when the bearing of the ship's bow changes, the bearing of the PPI image
does not change.
(Gyrocompass or other device that provides bearing information is required.)
• Course-up display
The bearing of the ship's bow is always directly at the top of the PPI screen when
the
ＢＲＩＬ／ＨＬ
ＢＲＩＬ／ＨＬ ＢＲＩＬ／ＨＬ
ＢＲＩＬ／ＨＬ ＯＦＦ
ＯＦＦ ＯＦＦ
ＯＦＦ
key is continuously pushed (course setting).
Even when the bearing of the ship's bow changes, the bearing of the echo image
on the PPI screen does not change and the ship's heading marker rotates to the
extent of the change in the bearing of the ship's bow.
When the heading changes significantly, the course should be reset by pushing
the
ＢＲＩＬ／ＨＬ
ＢＲＩＬ／ＨＬ ＢＲＩＬ／ＨＬ
ＢＲＩＬ／ＨＬ ＯＦＦ
ＯＦＦ ＯＦＦ
ＯＦＦ
key continuously.
(Gyrocompass or other device that provides bearing information is required.)
The ship's heading marker
rotates clockwise.
The ship rotates
in the starboard direction
The ship's heading marker
rotates clockwise.
The ship rotates
in the starboard direction
BRIL
HL OFF