Setting The Fish School Alarm - JRC JFC-130 Instruction Manual

< Setting the Fish School Alarm
You can sound an alarm tone when a fish school response having a signal
level higher than specified is encountered within a specified range. Use the
FISH ALARM menu to set a fish school alarm range and a signal level.
A fish school alarm range up to 2000 (in meter terms) from the
zero line can be set.
A fish school alarm would also sound when the sea bottom is
located in its range.
To set the fish school alarm, follow these steps:
1.
Press the ALM key to call up the ALARM menu.
▲
2.
Press the or
SHIFT
3.
Press the key to call up the FISH ALARM menu.
4. SHIFT
Press the or
▼
▲
5.
Press the or
SHIFT
RANGE
6.
Press the key to move to "RANGE."
▼
▲
7.
Press the or
SHIFT
limit).
RANGE
8.
Press the key to move to "LEVEL."
▼
▲
9.
Press the or
SHIFT
audible alarm. The audible alarm sounds when a signal higher than
this level setting is encountered.
10. Press the
key to return to the ALARM menu.
11. Press the
ALM key to return to the fishfinding display.
Back on the fishfinding display, red lines appear on the depth scale to
designate the specified range. If a fish school echo signal higher than this
signal level setting is encountered while the audible alarm is "ON," the
audible alarm sounds. It continues to sound until a corresponding fish school
echo signal is lost.
To stop the audible alarm before that, press
The fish school/water temperature mark remains red even after
the audible alarm has stopped.
▲
key to move to "FISH ALARM."
RANGE
RANGE
key to move to "UPPER LIM."
▼
▲
key to set a range upper limit.
RANGE
▲
key to set a range (distance from the upper
RANGE
▲
key to set the signal level for activating the
RANGE
key.
ALARM
▲ FISH ALARM ≫ OFF ON
▼ TEMP ALARM ≫ OFF ON
ALARM : RETURN TO F/F
: GO TO SUB MENU
ALARM Menu
FISH ALARM
UPPER LIM RANGE LEVEL
▲ 10ｍ 20ｍ 7
▼
: RETURN TO ALARM MENU
FISH ALARM
Operation
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