Simrad NSS7 Installation Manual download pdf (Page 47)

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Using the radar | NSS Operator Manual

De ning an EBL/VRM marker

1. Ensure that the cursor is not active on the radar panel (press the X key)

2. Activate the menu

3. Select one of the EBL/VRM markers

4. Select adjustment method, and tap the screen to adjust the marker

5. Tap the panel key to save the marker position

When positioned, you can quickly turn the EBL/VRM on/oﬀ by tapping

the relevant section on the data bar (NSS8 and NSS12 only).

Quick EBL/VRM marker positioning by using the cursor

1. Tap the radar panel to position the cursor

2. Activate the menu

3. Select one of the EBL/VRM markers

- The EBL line and the VRM circle will be positioned according to the cursor position

4. If required, tap the panel to reposition the marker

5. Press Save EBL/VRM panel key or activate the menu to save the position

Setting a guard zone around your vessel

A guard zone is an area (either circular or a sector) that you can deﬁ ne on the radar image.

When activated, an alarm will alert you when a radar target enters or exits the zone.

De ning a guard zone

1. Activate the menu

2. Select one of the guard zones

3. Select shape

4. Select Adjust to position the zone, and tap and drag on the

screen or use the rotary knob to adjust range, depth, bearing

and width

5. Save the position by tapping the panel key or by activating the

When positioned, you can quickly turn the guard zones on/oﬀ by tapping the relevant

section on the data bar (NSS8 and NSS12 only).

Alarm settings

An alarm will be activated when a radar target breaches the guard zone limits. You can select

if the alarm will be activated when the target enters or exits the zone.

Sensitivity

The guard zone sensitivity can be adjusted to eliminate alarms for small targets.

Radar options

The radar threshold

The threshold sets required signal strength for the lowest radar signals. Radar returns below

this limit will be ﬁ ltered and not displayed.

Default value: 30%.

Target boost

The target boost option is used for increasing the size of radar targets.

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Simrad NSS7 Installation Manual Page 47