NorthStar 957 Operator's Manual page 133

POOR LORAN
SIGNALS
Fishfinder alarms (only shown on the 957 if fishfinder is enabled)
BOTTOM
COLLISION!
FISH FOUND
957 Operator's Manual, Rev. B
Table 6: 957 alarms (continued)
BLINK, CYCLE or LOW SNR detected in
the external loran used as the position
source.
Fishfinder detects that the seabed is
higher than the specific limit you've set
Fishfinder detects marks (fish echoes)
either inside or outside the specific upper
and lower depths you've set
Chapter 10 - Using Special Functions
Does not time out.
Within 20 seconds
after the seabed
becomes lower than
the limit set.
Within 20 seconds.
N
N
N
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