To use the 1st Watch Wireless Radar (DRS4W), you will need to download the Marine Radar app from Apple App Store. The app is available for free, just click the App Store button below.
Guard zone alarm is now available!
Adjust the size and area of the guard zone by dragging the circles. Once the guard zone is activated, your iPad or iPhone will alert you whenever a target enters or leaves the guard zone. * Marine Radar App ver. 2.0.0 required.
To start the 1st Watch Wireless Radar you just have to press the TX button.
Pressing the (+) and (-) buttons will change the range, the range rings will also change accordingly. The range rings are spaced at even intervals making it easy to judge distances in the blink of an eye.
For increased visibility you can choose between Day and Night mode. The colour of the Radar echoes can also be changed.
With one touch, a small popup window will appear, giving you the bearing and distance to the target of your choice. This is great if you want to know how far away a boat is that you've just spotted.
Off centre, a practical way to see further ahead. Just drag your finger on the screen.
NOTE: This application is aimed at being a help during the voyage. Electronic aids are not a replacement for basic navigation skills and common sense.
Peak Output Power
ø488 mm Radome (19 inch)
9410 ± 30 MHz
0.125 to 24 nm
Antenna Rotation Speed
Relative wind 70 kn
The number of connectable devices
2.4 GHz band DISPLAY
Vertical/Horizontal (iPad, iPad mini only)
Method of obtaining
"Marine Radar" at Apple Store (Free of charge)
Auto Gain, Auto STC, Rain, Auto Noise rejector, Sector blank, Off center, Cursor position, Guard zone alarm