Bottom Line Fishin' Buddy 1200 Manual page 6

The bottom fish alarm chimes and displays fish symbols for
FISH ALARM –
echoes that are likely to be from fish (see Figure 3). The depth of the
fish symbol is also shown if there is room on the display. Three sizes of
symbols are used to indicate the relative signal strength of the echo, with
the largest representing the strongest echo (for more information, see
'How Your Buddy Works' on page 9).
Operation: Press the Menu button until
and buttons to choose the fish size (no fish means the alarm is off),
then press the
These symbols at the top of the screen indicate what
strengths you have chosen for the fish alarm.
Whenever the bottom fish alarm is on, the Sidefinder fish alarm is on
too, and chimes when the
Note: A timer function prevents the alarm from chiming too often.
The gain control sets the graph's overall sensitivity to echoes.
GAIN –
Generally, higher gain means that more fish and structure are shown.
Lowering the gain may help reduce interference caused by trolling
motors and other sources of noise.
Operation: Press the Menu button until
buttons to set the gain, then press the
Tip: Use as much gain or as little gain as you want, but remember that
the bottom depth readout may not work under all settings.
The surface control is used to reduce interference at the top of
SURFACE –
the graph that can be caused by wind chop and other air churned into
the water. Turn the surface control on if this interference becomes so
severe that the Buddy interprets it as the bottom reading.
Operation: Press the Menu button until
buttons to turn it on or off, then press the
Note: Using the surface control on may inhibit shallow-water bottom
readings.
BOTTOM RANGE –
bottom graph will display. The bottom range is displayed in the upper-
right and lower-right corners of the graph (see Figure 3).
In automatic mode, the Buddy sets the graph range to graph from the
water surface down to just below the bottom.
button to clear the menu.
The bottom range control allows you to set how deep the
FISH ALARM
symbols appear in the cone.
appears. Use the
GAIN
button to clear the menu.
appears. Use the
SURFACE
button to clear the menu.
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appears. Use the
and
and