Seiwa SWRx series - Manual (Page 21)

23 User Manual
To change the Motion mode follow this procedure:
[MENU] + "Motion Mode" + [ENTER] + select the desired mode between
Relative or True + [ENTER]
2.1.6 Echo Trails Settings
Echo Trails causes the persistence of the Radar targets on the screen for the time
specified. Selecting an appropriate trail plotting time help determining the speed
and course of a target vessel and help prevent collision with it. Selects Radar
Trails among Continuous, 15 seconds, 30 seconds, 1 Minute, 3 Minutes, 6 Minutes
(or disables - Off). To choose the Echo Trails follow this procedure:
[MENU] + "Echo Trails" + [ENTER] + select the desired value + [ENTER]
2.1.7 Target Expansion
Target Expansion is used to enlarge the target size without changing the range.
This function is useful to see and detect very small targets in open seas. To enable
(On) or disable (Off) the Target Expansion follow this procedure:
[MENU] + "Target Expansion" + [ENTER] + "On"/"Off" + [ENTER]
2.2 SENSITIVITY
To select the Sensitivity menu follow this procedure:
[MENU] + "Sensitivity" + [ENTER]
NOTE The Sensitivity menu can be also opened by pressing:
[ENTER]
directly from the Radar page when the Cross Cursor is not placed over any
features.
2.2.1 Interference Rejection
Reduces the interference caused by Radar signals from other Radar units. It is
possible to turn Interference Rejection to Off, Level 1 (weak), Level 2 (middle),
Level 3 (strong). The higher you set the Interference Rejection value the less
interference you will receive.
To select the Interference Rejection value follow this procedure:
[MENU] + "Sensitivity" + [ENTER] + "Interf. Rejection" + [ENTER] + select
the desired value + [ENTER]
2.2.2 Gain Adjustment
Controls the Radar Gain. To see more details on the screen, increase the receiver
sensitivity by selecting a higher gain percentage. If there is too much detail or if
the screen is cluttered, lowering the sensitivity may increase the clarity of the
display. To select the Gain value follow this procedure:
[MENU] + "Sensitivity" + [ENTER] + "Gain" + [ENTER] + select the desired
value + [ENTER]
NOTE The Gain can be also controlled by pressing:
[Gain] 1
directly from the Radar page, after pressing any software/function key.
NOTE 1 F
OR SEAWAVE 3 , press [1, Gain].
2.2.3 STC (Sensitivity Time Constant) Adjustment
Reduces the effects of the sea clutter that can adversely affect displayed targets.
To select the STC value follow this procedure:
[MENU] + "Sensitivity" + [ENTER] + "STC" + [ENTER] + select the desired
value + [ENTER]
NOTE The STC can be also controlled by pressing:
[STC] 1
directly from the Radar page, after pressing any software/function key.