JRC RADAR 1800 Instruction Manual page 69

ALARM LEVEL
4
68
[Setting alarm sensitivity]
• Select the "ALARM LEVEL" in RADAR ALARM menu and push the
, the "ALARM LEVEL" pull-down menu is displayed.
Joystick
Change settings by
Joystick
The smaller value of "ALARM LEVEL" is higher sensitivity.
For example a setting of 2 would activate the alarm for a small target
while for the same target a setting of 7 might not activate it.
[Making a ALARM ZONE]
• Select the "ALARM SETTING" in RADAR ALARM menu and push
the .
Joystick
The radar display returns to the normal video presentation.
Cursor appears on the PPI screen and shows the distance and the
azimuth of the Marker.
It displays the distance help line and the azimuth help line of the
dotted line.
Cursor
The Azimuth
Help Line
START POINT
• Move the cursor to the desired guard zone start point using the
and the press the
Joystick
The distance help line and the azimuth help line of the dotted line are
displayed in the fixation in the start point position at this time.
• Next, move the cursor to the desired guard zone Width point of your
Guards zone then press the
It displays the distance help line of the dotted line which is new at this
time.
Cursor
Start
Point
GUARD ZONE WIDTH
right or left and push
The Distance
Help Line
again.
Joystick
.
Joystick
The New
Distance
Help Line
.
Joystick