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BASIC OPERATION
The following are typical basic operation examples, which may hinder radar reception (sea clutter, precipitation in-
terference and echoes from other radar).
■ RAIN function
This function eliminates reflection echoes from rain,
snow, fog etc.
•Rotate the control fully counterclockwise to deactivate the
control function. The RAIN indicator ( ) disappears.
•NOTE: DO NOT reduce the reflection echoes too much,
otherwise you may miss weaker targets.
■ SEA function
This function serves to eliminate echoes from waves
at close range. Reduce the receiver gain for close ob-
jects within a radius of 8 miles to eliminate sea clutter.
•Rotate the control fully clockwise to activate the automatic
control function. SEA indicator ( )appears in the upper left
of the screen.
■ OFF CENTER function
The scanning area can be shifted in a desired direc-
tion and can be enlarged partially. This is useful when
the Head-up* is selected and you want to enlarge the
bow direction display, or, the center of the screen shifts
in the direction of the intersection.
•This function is available for 24NM or shorter range selec-
tion.
*This function is not available in the TM screen.
q Push [Ù Ú Ω ≈] to move the cursor where you
want to shift the center of the screen.
• Max. offsetting is up to 75% of the screen.
w Push [ALM]/[ ] and [MODE]/[ ] simulta-
neously to shift the screen.
e Push [ALM]/[ ] and [MODE]/[ ] simulta-
neously again to return to the normal screen.
With OFF CENTER ON
Normal screen
Adjust SEA control
Echos from sea waves
Adjust RAIN control
Small echos
WARNING: The [SEA]/[ ] control re-
duces the receiver sensitivity of objects within 8
miles. Therefore, caution and careful adjustment are
necessary when using the [SEA]/[ ] control.
Small objects may not be displayed on the screen
when strong echoes from the rain or the island within
1 NM while automatic SEA function is activating.
MR-1000R2_T2.qxd 04.2.24 10:22 Page 10