Distance And Direction Measurements; Distance Measurement - Icom MR-1210RII Instruction Manual

4

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
Fixed range rings
(RING)
Parallel index lines
(PI)
Variable range marker 1
(VRM1)
Variable range marker 2
(VRM2)
D Setting the Fixed range rings brilliance
(MENU > Color > Ring Brill)
q Push [MENU]/[
select the Color menu.
w Push [p] or [q] to select the "Ring Brill" item.
e Push [ENTER]/[
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]/[
y Push [MENU]/[
To clear the fixed rings, select "OFF" in step e
above.
Fixed
range rings
25
Displays fixed rings.
Suitable for rough estimations from your own vessel to any target.
Selectable from two types of range rings.
Displays six parallel index lines.
Suitable for rough estimations from your own vessel to any target.
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.
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.
], and then push [t] or [u] to
] to enter the option selection
] to save the setting.
] to exit the Menu screen.
Ring range
DESCRIPTION
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 rings in each screen range
Ring range Number
Range
(NM) of rings
(NM)
Ring1 Ring2 Ring1 Ring2
1 ⁄ 8
0.0625 2
1 ⁄ 4
0.125 2
1 ⁄ 2
0.125 4
3 ⁄ 4
0.25 3
1 0.25 4
1.5 0.5 0.25 3 6
2 0.5 4
3 1 0.5 3 6
4 1 4
6 2 1 3 6
8 2 4
12 3 2 4 6
16 4 4
24 6 4 4 6
32 8 4
36 12 3
48 *1 12 4
*1
64 16 4
*2
72 18 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.
Ring range Number
Range
(km) of rings
(km)
Ring1 Ring2 Ring1 Ring2
1 ⁄ 4
0.125 2
1 ⁄ 2
0.125 0.25 4 2
3 ⁄ 4
0.25 3
1 0.25 4
1.5 0.5 0.25 3 6
2 0.5 4
3 1 0.5 3 6
4 1 4
6 2 1 3 6
8 2 4
12 3 4
16 4 4
24 6 4
32 8 4
36 12 3
48 12 4
64 *1 16 4
*1
72 18 4
*2
96 24 4