25
DISTANCE AND DIRECTION MEASUREMENTS
■
Distance measurement
Various way to measure the distance are provided with this radar.
• The distance unit, nautical miles (NM), kilometers (kn), or miles (SM) is selected in the Initial menu of the Menu screen (p. 12).
TYPE
DESCRIPTION
Fixed range rings
(RING)
Displays fixed rings.
Suitable for rough estimations from your own vessel to any target.
Selectable from two types of range rings.
Parallel index lines
(PI)
Displays six parallel index lines.
Suitable for rough estimations from your own vessel to any target.
Variable range marker 1
(VRM1)
Displays a variable range marker and activated by [
p
] or [
q
] for the range marker selector.
Suitable for accurate measurements from your own vessel to a target.
Variable range marker 2
(VRM2)
Normally functions the same as VRM1. When the VRM1 and EBL1 selects a target, the center
of VRM2 is displayed at the intersection point.
Suitable for accurate measurements from target to target.
D
Setting the Fixed range rings brilliance
(MENU > Color >
Ring Brill
)
q
Push [MENU]/[
], and then push [
t
] or [
u
] to
select the Color menu.
w
Push [
p
] or [
q
] to select the “Ring Brill” item.
e
Push [ENTER]/[
] to enter the option selection
mode.
r
Push [
p
] or [
q
] to select the desired brilliance (1
to 3) to turn ON the Ring function and display the
fixed rings.
• 1 to 3 and OFF are selectable.
• The ring range is fixed depending on the screen range.
(See the tables below.)
t
Push [ENTER]/[
] to save the setting.
y
Push [MENU]/[
] to exit the Menu screen.
To clear the fixed rings, select “OFF” in step
e
above.
4
• Fixed rings in each screen range
Range
(NM)
Ring range
(NM)
Number
of rings
Range
(km)
Ring range
(km)
Number
of rings
Ring1 Ring2 Ring1 Ring2
Ring1 Ring2 Ring1 Ring2
1⁄8
0.0625
2
1⁄4
0.125
2
1⁄4
0.125
2
1⁄2 0.125 0.25
4
2
1⁄2
0.125
4
3⁄4
0.25
3
3⁄4
0.25
3
1
0.25
4
1
0.25
4
1.5
0.5 0.25
3
6
1.5
0.5 0.25
3
6
2
0.5
4
2
0.5
4
3
1
0.5
3
6
3
1
0.5
3
6
4
1
4
4
1
4
6
2
1
3
6
6
2
1
3
6
8
2
4
8
2
4
12
3
4
12
3
2
4
6
16
4
4
16
4
4
24
6
4
24
6
4
4
6
32
8
4
32
8
4
36
12
3
36
12
3
48
12
4
48
*1
12
4
64
*1
16
4
64
*1
16
4
72
*1
18
4
72
*2
18
4
96
*2
24
4
*
1
Available for MR-1210TII and MR-1210TIII only.
*
2
Available for MR-1210TIII only.
NOTE:
When the screen is shifted, the number of rings
may differ.
D
Selecting the range ring type
(MENU > Initial >
Range Ring
)
q
Push [MENU]/[
], and then push [
t
] or [
u
] to
select the Initial menu.
w
Push [
p
] or [
q
] to select the “Range Ring” item.
e
Push [ENTER]/[
] to enter the option selection
mode.
r
Push [
p
] or [
q
] to select the type of the fixed range
rings Ring1 or Ring2.
• The ring range is fixed depending on the screen range.
(See the tables below.)
t
Push [ENTER]/[
] to save the setting.
y
Push [MENU]/[
] to exit the Menu screen.
Fixed
range rings
Ring range
Содержание MR-1210RII
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