Teleflex TFX320, Operation Manual

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11
USING THE 320 SERIES
MODES OF OPERATION
indicator appears at the lower right
corner of the chart window.
3. Turn the Range Knob counterclockwise
until the image of bottom is close to the
bottom of the LCD display but still shows
the area you are interested in.
Note: As the depth of the water
increases, the
320
changes the depth
range to keep the bottom on-screen.
The
320
uses a depth range to keep
the bottom contour close to the
bottom of the display.
To return the depth range to normal
viewing, turn the
320 off and back on again.
Turning the Range Knob clockwise will allow the displaying of the second
return and not return the depth range to the correct depth range for the
current depth.
To optimize the depth range for viewing the second return follow these steps.
1. Make sure the 320 is operating in
Automatic.
2. Push the Range Knob. An adjustment
indicator appears at the lower right
corner of the chart window.
3. Turn the Range Knob clockwise until the
second return is visible on the display.
4. To return the depth range to normal
turning the Range Knob clockwise will
allow the displaying of the second
return and not return the depth range
to the correct depth range for the
current depth.
Optimized Display
Optimized Display showing
second return