6. FISH FINDER
6-8
the screen. A slow advance speed shortens the school of fish. Use a fast advance
speed to see the hard bottom. Use a slow advance speed to see the smooth bottom.
Note:
When ACCU-FISH
™
or Bottom Discrimination is active, the picture advance
speed may be slowed.
1. Tap [Home] => [Settings] => [Fish Finder], then tap [Display].
2. From the [Picture Advance ]options, in the right-hand side of the menu, select the
appropriate setting.
3. Select a picture advance speed. The options in the window indicate the number
of scan lines made per transmission. For example, [1/2] creates one scan line per
two transmissions. [1/16] is the slowest advance speed and [4/1] is the fastest
speed. [STOP] stops picture advance, and is useful for taking a screenshot or
photo.
6.14
Depth/Time Measurements
You can measure the depth to an object with the VRM. Also, you can measure the time
from the right edge to a location. For example, you can measure how many minutes
ago the echo appeared.
To measure the time to a location, or the depth to an object
, tap the object/loca-
tion. The VRM cross-hairs move to the tapped location.
Depth and time appears the bottom-right corner of the screen. Time is measured using
the time interval indications at the top of the screen.
6.15
How to Show Past Echoes
You can review past echoes which are longer shown on the screen. You can drag the
screen to the left/right and review up to four pages of echoes. To return the screen to
normal operation, tap the [Center] icon at the top-right of the screen.
Depth marker
Time marker
Time and depth
appear here