Onwa Marine Electronics KR-12X8 - Manual (Page 18)

After the power is turned on and the magnetron has warmed up, STAND-BY
appears at the screen center. This means the radar is now fully operational. In
stand-by the radar is available for use at anytime - but no radar waves are being
transmitted. Press the [ST-BY/TX] key to transmit. When transmitting, any echoes
from targets appear on the display. This radar displays echoes in eight tones of
2.4 Transmitting
green according to echo strength.
2.3 Turning the Radar On/Off
Press the [POWER] key to turn the radar on or off.
The control panel lights and a timer displays the time remaining for warm up of
the magnetron (the device which produces radar pulses), counting down from 1:30
to 0:01.
2.5 Echo area
The echo display area for the B, C and W types is available in three configurations:
round, wide, and full screen. You can select a configuration with 7 ECHO AREA
on the ECHO menu.
Round Wide Full
2.6 Reference Position
11
The reference position for measurements (range, bearing, etc.) and markers (heading
line, stern mark, etc.) can be antenna position or consistent common reference point
(CCRP), which is a location on own ship to which all horizontal measurements, for
example range, bearing, relative course, relative speed, closest point of approach
To select reference position, press the [MENU] key to enter the Main Menu, select
Reference Point and press [ACQ/ENTER] key, in the pop-up window select
The position of the own ship marker changes according to reference position as
shown below. If the CCRP is positioned outside of the effective display area, the
" "
(CPA) or time to closest point of approach (TCPA), are normally referenced.
" " " " ANT or CCRP and press [ACQ/ENTER] key.
bearing scale is indicated with the appropriate reduced detail.