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TIDE SPEED/DIRECTION
Tide speeds/directions of three layers are displayed below the ship's speed/course.
Depending on the tracking mode in use, the meaning of speed/direction changes as follows
` In the ground tracking mode, speed/direction values represent movement of the layer rela-
tive to ground. [Ground-based tide = Absolute tide]
` In the water tracking mode, speed/direction values represent movement of the layer relative
to near-surface water. Strictly speaking, they do not represent tide but tide differential. [Sur-
face-based tide = Relative tide]
` In the nav-aided mode, speed/direction values represent movement of the layer relative to
pseudo ground. [Ground-based tide = Absolute tide]
(Note that accurate ship's speed/course and heading information must be applied to CI-35/
35H to obtain reliable tide data.)
To set measuring depth of tide;
Select layer by
Depth value of the
selected layer
appears is green.
Press the same
key again when
desired depth is
set. The depth
value will return to
white.
Layer 1 (Yellow)
Layer 2 (Purple)
Layer 3 (Lightblue)
Note: Tide speed/direction display is updated every 3 seconds. The display is not raw data for
every 3 seconds, but averaged for specified averaging time. (See page 4-2 to set averaging
time for tide display.)
3-6
LYR
key, and turn
1
LYR
2
LYR
3
SPEED
12.3
kt
DEP
TIDE
1
1.2
kt
15
0.8
2
kt
18
0.5
3
kt
30
AVERAGE
Measuring depth of the layer
FUNDAMENTAL DATA SECTION
Display (text)
knob to see desired depth.
Tide speed in knots.
Tide direction in degree and in
32-point notation.
Locations of degree and 32-point
notation can be swapped.
(See page 5-1.)
COURSE
NE
45°
DIRECTION
ENE
68 °
N
0 °
NE
45 °
N
MODE
COMPASS
GT
270.0
17 : 41 : 00
TRIP
0.00 NM
0
10
10
20
20
3°
0.4 kt
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