29
FL-18
®
OPERATION
Bottom Lock Zoom
Bottom Lock (BL) works the same as Auto Zoom, except the asher
continuously updates the position of the bottom in the magnied view.
This can be helpful in a boat that is moving over varying depths or is
riding in heavy waves. Bottom Lock will keep the bottom reading lined
up correctly with the zero mark on the Zoom scale. This allows you to
see objects which are very close to the bottom, even though the depth
may be changing rapidly. The Range Control must be set to a position
where the bottom is displayed on the right in order for Bottom Lock to
function.
FL-18 Bottom Lock (BL)
Activate Bottom Lock by switching the Mode
Control to the BL selection on the right or the left.
The right selection operates Bottom Lock at the
normal power level. The left selection operates
Bottom Lock in Low Power Mode.
For Boat Use Only
Bottom Lock works best for boats in motion. When ice shing, the
Bottom Lock feature can incorrectly identify a large object slowly moving
into your view as a shallower depth change. The result is that the asher
adjusts to the new level and the object is now displayed as the bottom.
Understanding the Zoom Modes
When Auto Zoom (AZ or BL) is active, the display is divided into
two halves. When reading depths always use the yellow inner scale
on the right side.
Zoom should be activated only when the transducer is submerged.
If the zoom is activated and operating before the transducer is
placed in the water, such as when moving from hole to hole when
ice shing, the bottom may not line up correctly with the zero
mark on the zoom scale. If this happens, switch the asher to
Normal Mode and then back to Zoom to reset the feature.
Low Power Mode
LP Mode reduces the output power of your asher. It is useful
for situations where the gain cannot be turned down enough in
Normal Mode. Use the Low Power Mode only when you need to.
You will need it in very shallow or very weedy conditions. Activate
the Low Power Mode (LP) by switching the Mode Control to the
left. The range can be set at any position. If you switch to the left
of LP, you can activate the 6' AZ or 6' BL Modes in Low Power
Mode.
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