Furuno 1834C-BB 사용자 설명서

4. VIDEO SOUNDER OPERATION 

The bottom alarm sounds when the bottom echo is within the alarm range set. To activate 
the bottom alarm, the depth must be displayed. Note that the bottom alarm is turned on or 
off reciprocally with the bottom alarm on the plotter alarm menu. 
 
1. Press the ALARM key to show the ALARM menu. 
2. Use the Trackball to select BOTTOM ALARM. 
3.  Press the A: EDIT soft key to show the bottom alarm window. 

BOTTOM ALARM

▲

ON

  

0000.0-0000.0 ft

OFF

▼

4. Use the Trackball to select ON or OFF as appropriate. For ON, enter alarm range with 

the Trackball and numeric keys: Adjust the Trackball to select digit; hit appropriate 
numeric key to enter value. 

5.  Press the C: ENTER soft key or push the ENTER knob to register setting. 
6. Press the ALARM key to close the menu. 
 

The fish alarm sounds when a fish echo is within the preset alarm range. Note that the 
sensitivity of the fish alarm can be set on the SOUNDER SYSTEM SETUP menu. 
 
1. Press the ALARM key to show the ALARM menu. 
2. Use the Trackball to select FISH ALARM. 
3.  Press the A: EDIT soft key to show the fish alarm window. 

FISH ALARM  

▲

ON

  0000.0-0000.0 ft   

OFF

▼

4. Use the Trackball to select ON or OFF as appropriate. For ON, use the Trackball and 

numeric keys to enter range: Adjust the Trackball to select digit; hit the appropriate 
numeric key to enter value. 

5.  Press the C: ENTER soft key or push the ENTER knob to register setting. 
6. Press the ALARM key to close the menu.