Raymarine e7, User Reference

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Powering the radar scanner on and off
In the radar application:
1. Select Menu .
2. Select Power to switch the Radar’s power On and Off.
The radar will always power up in Standby mode.
3. Select Radar to switch the radar between Transmit and Standby
modes.
Using the power button and touch to switch operating modes
The radar operating modes can also be set using the multifunction
displays power button menu.
1. Press and release the Power button
2. Select Start Radar TX to start the radar transmitting.
3. Select Stop Radar TX to put the radar into standby.
Using the power button to switch operating modes
The radar operating modes can also be set using the multifunction
displays power button menu.
1. Press and release the Power button
2. Press the Power button again so that Start Radar TX is
highlighted.
With the Display Brightness dialog open pressing the Power
button will switch between Transmit and Standby.
9.4 Radar range and image quality
Maximum radar range
The usable range of the radar is limited by factors such as the
height of the scanner, and height of the target.
Maximum radar range is essentially line-of-sight, so is limited by
the height of the scanner and the height of the target as illustrated
below:
a
1
a
2
h
H
D1643-4
Rmax
Rmax = 2.23 ( h + H )
1
3
2
Item Description
1 Radar equipped vessel.
2 Curvature of the earth.
3
Target (Cliff).
a
1
Radar horizon of antenna.
a
2
Radar horizon of target.
R
max
Maximum radar range in nautical
miles.
R
max
= a
1
+ a
2
h Radar antenna height in metres.
H Target height in metres.
Using radar
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