11. ECHO SOUNDER
11-25
3. Select [FISH ALARM (NORMAL)] on page 3.
4. Select [ON].
5. Select [STARTING DEPTH].
6. Press the numeric keys to enter the starting depth. The starting depth is the dis-
tance from the transducer.
7. Select [WIDTH].
8. Press the numeric keys to enter the alarm range.
9. Press the
DISP
key to close the menu.
The alarm marker (yellow) appears at the right side of the screen.
To disable the alarm, select [OFF] at step 4.
11.17.2 Fish alarm (bottom lock)
The fish alarm (bottom lock) sounds when a fish echo is within a predetermined dis-
tance from the bottom, which makes it useful for detecting fish close to the bottom.
This alarm is available for the bottom lock display. Note that the sensitivity of the fish
alarm can be set on the [FISH ALARM LEVEL] menu of the [ECHO SOUNDER SYS-
TEM SETTING] menu. For details, see section 11.18.
1. Press the
MENU
key to open the main menu.
2. Select [6. ALARM SETTINGS].
3. Select [FISH ALM (BTM LOCK)] on page 3.
4. Select [ON].
5. Select [STARTING DEPTH].
6. Press the numeric keys to enter the starting depth. The starting depth is the dis-
tance from the bottom.
7. Select [WIDTH].
8. Press the numeric keys to enter the alarm range.
9. Press the
DISP
key to close the menu.
Содержание GP-3700F
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Страница 30: ...1 OPERATIONAL OVERVIEW 1 16 This page is intentionally left blank...
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