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3.2 History mode
History mode displays past 3hours, 6 hours, 12 hours, 24hours depth graph and real time
sounding.
[Sample screen at single frequency]
1
2
3
4
5
History area
6
No.
Function
1
Display mode
2
Display time
3
Date and time
4
Latitude / Longitude
5
Time cursor data
6
Depth value
7
Depth display setting
8
Range
9
Minutes mark
10
Hour mark
11
Depth cursor
12
History time interval
13
Time cursor
14
ZOOM IN
15
ZOOM OUT
16
Oscillation line
Note:
・ LAT/LON display needs to connect position data device.
3. Display
7
10
9
8
12
16
11
13
Echo drawing area
14
15
Description
The current display mode and CH number are displayed.
The scroll time of the echo drawing area is displayed.
Date and time information from GPS are displayed. When not connected, the internal clock
will be displayed.
Latitude / Longitude from GPS is displayed.
Displays the depth graph data pointed to by the time cursor. CH1 is brown and CH2 is blue.
The data are Time/Position/Depth/Draft/Keel.
The current water depth value is displayed digitally.
The currently selected depth display setting is displayed.
The current display range is displayed. "Auto" is displayed when auto range is selected.
Displayed at 1-minute intervals in echo drawing area. The length of the mark is 1 minute.
Displayed at 1-hour intervals in history area. The length of the mark is 1 hour.
Displays the depth cursor and its water depth value.
The scroll time of the history area is displayed.
The time cursor in the history area.
The history display time is shortened (5 steps of 48h → 24h → 12h → 6h → 3h)
The history display time will be longer (5 levels of 3h → 6h → 12h → 24h → 48h)
The transmission line from the transducer is drawn horizontally at the top of the echo
drawing area.
[Sample screen at dual frequency]
1
2
5
5
History area
6
3-2
7
10
9
8
3
4
12
16
13
Echo drawing area
14
15
11
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