Distance And Direction Measurements; Distance Measurement - Icom MR-570R Operating Manual

5

DISTANCE AND DIRECTION MEASUREMENTS

Distance measurement

Two measurement procedures are available with this
radar. Operating them separately or jointly is possible.
The distance unit, nautical miles (NM) or kilometres
(KM) is selected in the "INIT.SETTING" menu (p. 9).
• Using the fixed rings
Ring range
readout
Fixed Ring
1 1
Range (nm) / /
8 4
1 1
Ring (nm) / /
16 8
Number 2 2
• Using the variable range marker
3
NM
(1)
EBL/VRM1
EBL/VRM2
16
3
2530˚
NM
(1)
O:01
EBL/VRM1 S0672˚ 1.296NM
R
EBL/VRM2 S0162˚ 0.566NM O:01
R
1 3
/ / 1 1.5 2 3 4
2 4
1 1 1 1 1
/ / / / / 1 1
8 4 4 2 2
4 3 4 3 4 3 4
2530˚
T
S0672˚ 1.296NM O:01
R
S0162˚ 0.566NM O:01
R
TYPE
RING
VRM1
VRM2
q Push [MENU] to call up the "FUNCTION" menu.
w The "RING" section becomes highlighted.
T
e Push
to select "RING" function ON then display
]
the fixed ring.
• The interval range appears on the right of the screen
range readout.
• The ring range is fixed depending on the screen range.
(See below.)
r Push [MENU] several times to exit the menu.
t To clear the fixed rings, push
step e above.
6 8 12 16 24 32 36
2 2 4 4 8 8 12
3 4 3 4 3 4 3
q Push
]/
cross line cursor on the target.
w Push [EBL1 (VRM1)] to display EBL1 and VRM1.
w Push [EBL1 (VRM1)] again to cancel EBL1 and
VRM1.
DESCRIPTION
Displays fixed rings.
Suitable for rough estimations from your
own ship to any target.
Displays a variable range marker.Suit-
able for accurate measurements from
your own ship to a target.
When the VRM1 and EBL1 selects a tar-
get, the center of VRM2 appears at the
intersection point.
Suitable for accurate measurements
from target to target.
to select OFF in
]
NOTE: When the screen
is shifted, the number of
rings may differ.
several times to move the
]/ ] ]