Furuno FSV25S, Operator'S Manual

Page: 53 / 163

2. HORIZONTAL MODE
2-21
2.12.2 How to select a presentation mode
1. Press the MENU/ESC key to show the main menu.
2. Click [Others].
3. Click [Display Setting].
4. Click [Presentation Mode].
5. Click desired mode.
6. Click [Quit] on the setting box to close the box.
7. Long-push the
MENU/ESC key to close all menus.
Note: The true motion display range may be set to 1.3 to 1.6 times the range with [TM
Disp Range] on the [Display Setting] menu.
2.13 How to Detect Schools of Fish Aurally
Sometimes you may be preoccupied with other tasks and unable to concentrate on
watching the sonar picture. In such cases it would be a good choice to use the audio
function. This function enables you to monitor echoes from schools of fish and bottom
through the external speaker.
2.13.1 How to set the bearing
In the default setting, the audio function is on and the audio sector is 30°.
1. Operate the trackball to place the cursor on the direction you want to monitor
through the speaker.
2. Press the R/B AUDIO key.
The monitoring section is set on the bearing selected, in a 30°, 60°, 90°, 180° or 330°
sector centering the audio bearing mark. Echoes are monitored through the speaker.
Note: To erase the range mark and its data (at the bottom of the screen), put the cur-
sor near own ship mark (transducer position) and press the R/B AUDIO key. Note that
the audio bearing is erased when [Audio] on the [Alarm & Audio] menu is turned off.
Quit
Cancel
Head Up
North Up
Course Up
True Motion
Data for range and audio
bearing marks
R 400m
B 45
°
A
* In target lock, the audio
bearing mark follows
tracked target.
Monitoring section
Audio bearing mark*
Range marker