Basic Radar Display Components - Lowrance LRA-1000 Instruction Manual

Basic Radar Display Components

Range
Display
mode
PPI Position
status
Electronic
Bearing
Lines
Electronic Bearing Line position
for EBLs 1, 2 and 3. Highlighted
in white, EBL 2 is the active
bearing line.
Range Ring
Interval
Echo Trail
status
Your unit has three electronic bearing
lines and three variable range markers.
An enlarged example of EBLs and
VRMs is on the next page.
Gain level
Anti-Sea
Clutter
Anti-Rain
Clutter
Variable Range Marker position
for VRMs 1, 2 and 3. Highlighted
in white, VRM 2 is the active
range marker.
4
Interference
Rejection
status
Radar Echo
Expansion
status
Variable
Range
Markers