Koden MDC-2240, Operation Manual

Page: 69 / 129

Chapter 4 Menu operations MDC-2200/2500 Series
0093125002-05 4-16
Initial value is in the position set by “item (18) True motion reset position”.
(20) True motion reset position
Designate reset position when display mode is N UP
TM
or C UP
TM
.
Select from OPPOSITE, COURSE, CENTER.
(21) Fixed Image
When select “HOLD” menu then press [ENT] key, current image will be displayed as it is for 30 seconds.
It is used to determine target in detail.
“HOLD” is displayed on the upper part of screen during the image being fixed. It turns to preparation
screen after having passed 30 second.
IMPORTANT: Fixed image screen does not reflect latest circumstance. Pay attention to confirm
surrounding safety when used during navigation.
(22) Sector scan
Sector scan is the function not to display designated direction image on the screen. Set bearing
designation by “start bearing” and “end bearing” of sector.
Sector scan 1 is the mode not to display image of designated bearing (not suppress transmission) to
avoid reflection image such as from mast or other construction objects on the screen.
Sector scan 2 is the mode to stop transmission of the designated bearing and not to display image. It is
used to avoid transmission of radar wave to specific bearing.
(23) Designate range unit (NM, km, sm)
Change range unit of radar display.
This change also changes cross cursor range unit.
(24) Designate rotation angle
Image is rotated according to bearing change in H UP display mode. When rotation angle is set, the
image will be rotated when the bearing changes exceeding predetermined angle. Heading display
position changes according to bearing change within predetermined angle.
Setting rage is up to 30 degree.
(25) Designate rotation speed
Image is rotated according to bearing change in H UP display mode.
“Rotation speed” can change image rotation speed.
Initial value is 50 in maximum speed.
Image rotates slowly when setting value is lowered.