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4. ECHOSOUNDER MODE
4-3
4.3 Picture Advance Speed
The picture advance speed determines how quickly the vertical scan lines run across
the screen. When selecting a picture advance speed, keep in mind that a fast advance
speed will expand a fish school horizontally and a slow advance speed will contract it.
Note: Match the picture advance speed to that of the echo sounder. This setting does
not affect original echosounder setting.
1. Press the MENU key to open the menu.
2. Use the RANGE control to choose [MENU MODE] at the top of the screen.
3. Use the GAIN control to choose [SOUNDER].
4. Use the RANGE control to choose [ADVANCE].
5. Use the GAIN control to adjust advance speed desired. The fractions in the dialog
box are one line produced per number of transmissions. For example, "1/2" dis-
plays one scan line per two transmissions.
6. Press the MENU key to close the menu.
4.4 Measuring Depth
You can measure depth to the cross-hair cursor as follows:
1. Use the trackball to place the trackball mark inside the echosounder display. The
trackball mark changes to a cross-hair cursor.
2. Adjust the trackball to place the cross-hair cursor at the location desired.
3. Read the depth to the location at the cross-hair cursor.
Measuring depth
Depth to cross-hair
cursor intersection
Cross-hair
Cursor
500
W
R 1000
T 15
°
(159
G 10.0
S
E
N
N
-
-
SHIP SPEED
12.4 kt
DEPTH
126m
SHIP COURSE
246°
LAT/LON
32°52.150N
132°12.150E
WATER TEMP
12.4°C
20min 10 0
14
12
10
Depth to cross-hair
cursor intersection
839
810
217
B 60S
0
-
100 -
-
200 -
Cross hair-cursor
101