Powering the radar scanner on and offIn 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 Standbymodes.Using the power button and touch to switch operating modesThe radar operating modes can also be set using the multifunctiondisplays power button menu.1. Press and release the Power button2. 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 modesThe radar operating modes can also be set using the multifunctiondisplays power button menu.1. Press and release the Power button2. Press the Power button again so that Start Radar TX ishighlighted.With the Display Brightness dialog open pressing the Powerbutton will switch between Transmit and Standby.9.4 Radar range and image qualityMaximum radar rangeThe usable range of the radar is limited by factors such as theheight of the scanner, and height of the target.Maximum radar range is essentially line-of-sight, so is limited bythe height of the scanner and the height of the target as illustratedbelow:a 1 a 2hHD1643-4Rma xRma x = 2.23 ( h + H )132Item Description1 Radar equipped vessel.2 Curvature of the earth.3 Target (Cliff).a1 Radar horizon of antenna.a2 Radar horizon of target.Rmax Maximum radar range in nauticalmiles.Rmax = a1 + a2h Radar antenna height in metres.H Target height in metres.Using radar 137