Raymarine L750 Operations Instructions download pdf (Page 60)

L750 Fishfinder: Installation and Operation Handbook

200 kHz Setting

To make the gain or sensitivity setting when the unit is using the

200 kHz frequency, press this Soft Key. Use the up- and down-

controls on the Trackpad to adjust the sensitivity.

Note – If the optional Sidelooker feature is turned on, there is an extra

Soft Key which allows you to set the gain/sensitivity for the Sidelooker.

See Section 4.

Fig. 3-15 Gain or Sensitivity Soft Keys

Range

The “Range” is the maximum depth that the unit will display. To adjust

the range setting, press either the top or the bottom of the Range button.

Figure 3-16 shows the Soft Keys which allow you to set the range.

Range Auto/Manual

When you first press the Range button, the Fishfinder asks you to

set the range manually. Use the upper or lower parts of the Range

button to decrease or increase the range. If the bottom rises or falls

when Manual Range is selected, the Fishfinder will not adjust for

this.

The Fishfinder can also be set to select the range by itself,

automatically. Use the Soft Key to select the Auto Range function.

The unit chooses the shallowest range which will still include the

bottom in the display. To go back to Manual Range, use the Soft

Key to make the selection, or press either side of the Range button.

Range Downlook

If you select Manual Range or press this Soft Key, the Fishfinder

allows you to choose the manual range setting you want. The

current range setting will be highlighted. To change the setting, use

the up- or down-controls on the Range button.

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Raymarine L750 Operations Instructions Page 60