Table of Contents
Advertisement
Marker/Data
Own Ship Marker
Trackball
Marker
Trackball Data
B
Bearing and Range
Markers
Bearing
marker
Range marker
Range and Bearing
Marker Data
R
B
Range Rings
Range Data
R
Tilt Data
T
Gain
Setting Change
Data
2-2
Table 2-1 Standard markers and data description
Marks position on the screen. Direction of arrow is heading.
The trackball marker selects location for markers and own ship's
position. The trackball moves the marker over the entire screen.
Trackball data:
: Slant range
: Horizontal range
: Depth
B : Bearing
Bearing is shown in 360¡ or –180¡ indication system, relative to ship's
heading. In the latter case, "B" is indicated as follows:
.... on the port side
B
P
.... on the starboard side
B
P
The bearing marker bisects the trackball marker location when the R/B
key is pressed to monitor fish echoes with audible sound. Furthermore,
the radius of the range marker is at the trackball marker location. These
markers may be erased by placing the trackball marker near the own
ship marker and pressing the R/B key.
The slant range to the range marker and the bearing of the bearing
marker are displayed.
The range rings are inscribed at intervals of 1/4 of the range in use.
Range ring data is also provided every two range rings. The range ring
interval can be changed from 1/4 to 1/2 through the menu.
Shows the range scale set with the RANGE control.
The tilt angle set with the TILT lever is displayed in 1¡ steps between
0¡ and 55¡.
Gain setting is displayed in increments of 0.5 between 0 and 10.
When the controls in the table below are changed new setting appears
in large characters at the top of the screen for five seconds.
Control
RANGE
Description
R
TILT
T
GAIN
G .
Display
Advertisement
Table of Contents
