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9. OTHERS MENU
9-4
9.3 ALARM & AUDIO menu
9.3.1 Opening the ALARM & AUDIO menu
The ALARM & AUDIO menu sets the fish alarm and the audio bearing mark
sector.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ALARM & AUDIO and press the [MENU] key.
ALARM & AUDIO
MENU QUIT
QUITOTHERS
FISH ALARM : OFF
ALARM LEVEL : 16
ALARM ZONE...
SHIP SPEED ALARM : ON
AUDIO : ON
AUDIO SECTOR : 30°
REVERBERATION : 0
QUIT
ALARM & AUDIO menu
9.3.2 ALARM & AUDIO menu description
FISH ALARM: Turns the fish alarm function on or off. The default setting is off.
ALARM LEVEL: Sets the minimum echo color which triggers the fish alarm. The
setting range is 0-30 and the default setting is 16.
ALARM ZONE: Sets fish alarm zone. For further details see “2.14 Fish Alarm”.
SHIP SPEED ALARM: The default setting is on. So if the ship speed exceeds
limit speed (See page 11-5) during transducer raising/lowering or being
extended the buzzer sounds. You can set this alarm deactivated.
AUDIO: Turns the audio function on (default setting) or off. For further details
see “2.12 Detecting Fish Schools Aurally”.
AUDIO SECTOR: Choose audio sector width for use with audio function. The
choices are 0°, 60°, 90°, 180° and 330°. For further details see “2.12 Detecting
Fish Schools Aurally”.
REVERBERATION: Chooses length of reverberation for audio signal. The
setting range is 0-9 and the default setting is 0 (no reverberation). The larger the
value the longer the reverberation.