Symbols for controls on marine navigational radar equipment
Off
To identify the
'off*
position of
the control or
switch
Heading
marker
alignment
To identify the
'heading marker
alignment'
control switch
Radar on
To identify the
'radar on'
position of the
switch
Range
selector
To identify the
range selection
switch
To identify the
'radar stand-by'
position of the
switch
Short pulse
To identify the
'short pulse'
position of the
pulse length
selection switch
Aerial
rotating
To identify the
'aerial rotating'
position of the
switch
10
Long pulse
To identify the
'long pulse'
position of the
pulse length
selection switc
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