Furuno FCV-1900 Operator's Manual page 41

5) Set the alarm range (width from the starting depth), then push the ENTER
knob.
[Fish (Normal)] (normal fish alarm) and [Fish (B/L)] (bottom lock fish alarm)
1) For [Fish (Normal)], select [Defined Area] or [All Area], then push the ENTER
knob. For [Fish (B/L)], select [On], then push the ENTER knob.
For [Defined Area] or [On], the alarm marker (yellow) appears at the starting
point for the alarm. Go to the next step. For [All Area], the alarm marker ap-
pears at the left of the depth scale. Go to step step 6.
2) Select [From], then push the ENTER knob.
3) Set the starting depth, then push the ENTER knob.
• For the normal fish alarm: Distance from the bottom of the transducer.
• For the bottom lock alarm: Distance from the bottom.
4) Select [Span], then push the ENTER knob.
5) Set the alarm range (width from the starting depth), then push the ENTER
knob.
6) Select [Fish Level], then push the ENTER knob.
7) Select the echo strength that triggers the alarm, then push the ENTER knob.
• [Weak]: Echoes stronger than lightblue trigger the alarm.
• [Medium]: Echoes stronger than yellow trigger the alarm.
• [Strong]: Echoes stronger than red trigger the alarm.
[Temperature] (water temperature alarm)
1) Select [Inside] or [Outside], then push the ENTER knob.
2) Select [From], then push the ENTER knob.
3) Set the starting temperature for the alarm, then push the ENTER knob.
4) Select [Span], then push the ENTER knob.
5) Set the width for the alarm, then push the ENTER knob.
[Fish Size] (fish size alarm)
1) Select [On], then push the ENTER knob.
2) Select [From], then push the ENTER knob.
3) Set the minimum fish length, then push the ENTER knob.
4) Select [Span], then push the ENTER knob.
5) Set the width for the alarm, then push the ENTER knob.
5. Press the MENU/ESC key several times to close the menu.
Note: To disable an alarm, select [Off] at step 4 in the applicable procedure above.
1. OPERATION
1-31