Garmin 240 - Manual (Page 26)

18
Unit Operation
Setup Menu/Tools
Tools
The Tools tab contains the ‘Depth Line’, ‘Noise Reject’, ‘Flasher’, and
‘Simulator’ tools. The ‘Depth Line’ tool is used to quickly identify a set
depth or measure the depth of underwater objects. The ‘Noise Reject’ and
‘Flasher’ tools are used to enhance the chart and help in identifying and
providing information about an underwater return. The ‘Simulator’ tool
is used to enhance the simulator mode by allowing you customize the
simulated transducer selection. To access the Tools tab place the highlight
over it using the arrow keys.
Depth Line
When the ‘Depth Line’ tool is activated, a Depth Line selection is added
to the Adjustment Bar.
To Activate the Depth Line:
1. Highlight the ‘Tools’ tab on the Setup Menu.
2. Highlight the ‘Depth Line’ selection fi eld and press ENTER.
3. Select ‘On’ and press ENTER.
To Change the Depth Line Setting:
1. Place the highlight over the Depth Line selection on the Adjustment Bar.
2. Use the UP or DOWN arrow to change the setting.
Noise Reject
The ‘Noise Reject’ tool helps filter unwanted noise from the chart. The
‘Noise Reject’ tool can be turned ‘OFF’, set to ‘AUTO’(automatically) adjust
or to a fixed ‘LOW’, ‘MED’ium or ‘HIGH’ setting.
Depth Line
Noise Reject Selections
190-00155-10 Rev A.indd 08/16/00, 2:47 PM 18