200 E-Series Networked Display Reference Manual
Expansion
The expansion function allows you to either override the pulse length or to give
larger returns so targets are easier to see.
To override the pulse length
1. Press the ENHANCE ECHOES softkey from an active radar window.
2. Select EXPANSION softkey to turn expansion function ON or OFF.
Note:
Selecting this option may compromise target resolution.
Wakes
When the wakes function is switched on, you can see the direction and speed of
moving targets relative to your boat. Targets are displayed in blue, turning to paler
shades of blue as the signal diminishes.
The wakes option is a local setting which applies only to the display on which you
are working. You can choose to display wakes for a period of 10 seconds, 30
seconds, 1 minute, 5 minutes or 10 minutes.
To switch wakes display on
1. Press the ENHANCE ECHOES softkey.
2. Toggle wakes to ON using the WAKES softkey.
3. Select your preferred wakes setting with the trackpad.
4. Press OK.
To switch wakes display off
1. Press the ENHANCE ECHOES softkey.
2. Press the WAKES ON/OFF softkey.
3. Press OK
8.11Radar range
You can zoom in or out to view the radar display at different scales. The scale is
measured from the centre to the top of the window and is displayed in the left-hand
corner of the status bar.
• Short-range scales show nearby objects in greater detail, and are most suitable
as you approach coastlines, harbors, or other vessels. The shortest range available
is 1/8 nautical miles.
• Long-range scales provide the best overview of the vessel’s relationship to land-
masses, weather fronts and large ships within or beyond your field of vision. The
longest range available is 72 nautical miles, depending upon the scanner fitted.
81244_4.book Page 200 Thursday, January 31, 2008 1:53 PM
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