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• The maximum depth at which the ACCU-FISH
pending on transducer type, vessel configuration, sea conditions and other factors
which may affect beam accuracy.
• In a school of fish, the echoes overlap. This causes a greater margin of error in fish
size measurement.
• This feature cannot be used with inside-hull transducers. Depending on the trans-
ducer frequency, fish may not be detected. Further, even if fish are detected, their
indicated length may be smaller than the actual length.
• The TX pulse length changes according to ACCU-FISH
a difference in both sensitivity and the echoes viewed.
How to activate/deactivate the ACCU-FISH feature
1. Place the cursor inside the external fish finder screen, then right-click to show the
[External Fish Finder] menu.
2. Select [Measurement]. The ACCU-FISH
window.
Sounder
HF
LF
Display
Measurement
System
Range
3. Click the drop-down box to the far right-hand side of the menu, then select [On].
™
ACCU-FISH
is now active, fish marks and sizes now appear on the screen.
Fish size
4. To deactivate ACCU-FISH
™
Measurement
ACCU-FISH
Off
64
Fish mark
™
, repeat the procedure, then select [Off] at step 3.
™
feature can detect fish varies, de-
™
On/Off state. This causes
TM
setting appears in the right-side of the
1. OPERATION
1
1-35
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Table of Contents
Troubleshooting
