JRC JMA-9922-6XA Instruction Manual page 68

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‡ L Radar interference reflector function selection
Turns on and off the radar interference reflector (IR). The IR is turned on or off each time this
switch is clicked.
‡M Radar reception scale (GAIN)
This indicates the degree the knob has been turned.
‡N Sea clutter suppression function (SEA) selection
Selects either manual or automatic sea clutter suppression. The bar on the right indicates the
position in the manual mode.
‡O Sea scale
This indicates the amount the knob has been turned in manual mode. When in auto
mode,"AUTO"will be displayed.
‡P Rain/snow clutter suppression function (RAIN) selection
Selects either manual or automatic rain/snow clutter suppression.
indicates the position in the manual mode.
‡Q Rain scale
This indicates the amount the knob has been turned in manual mode. When in auto mode,
"AUTO"will be displayed.
‡R Own ship's trail indication interval function (TRACK) selection
Turns on and off the own ship's trail indication interval.
‡S Radar trail indicator function (TRAILS) selection
Sets the time intervals for radar trails. OFF, 0.5MIN, 1MIN, 3MIN, or 6MIN can be selected.
Image processing function (PROC) selection
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Sets the image processing mode. OFF, PROC1, PROC2 or PROC3 can be selected.
Radar trail mode selection
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Sets true trail or relative trail when operating the radar trail function.
"T" is displayed when true trails are used and "R" is displayed for relative trails.
This setting is also limited by the radar bearing mode.
When the North-up (N UP) mode is used, switching between "T" and "R" is possible.
When the Course-up (C UP) mode is used, only "T" is set.
When the Head-up (H UP) mode is used, only "R" is set.
Radar image enhance (ENH) function selection
23
Turns on and off the radar image enhance function. It is turned on or off each time this switch is
clicked.
Cursor mode selection
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Sets the cursor mode. Clicking this button will display a pull-down menu. After setting the
mode, the cursor can be moved and the left trackball button used to make various settings.
Because all the modes are to be used during radar transmission, a mode may not operate
properly if it is selected in the standby state.
Off center mode selection
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This has the same function as the [OFF CENT] switch. Shifts the own ship position within the
screen (within 60% of the scope's radius) to display a wider range in an arbitrary direction.
When this button is pressed when the system is already in the off center mode, then the off
center function will be turned off.
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The bar on the right
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