User Manual

All controls, such as EBLs, VRMs are active on both screen.

The functions such as ZOOM, OFF-C, FL EBL2, and FL VRM2 are not

availabel in this mode. In the "SEMI3D" screen, ship's heading

direction always stays on the center vertical line denoted 000.

Each radar screen is updated one then the another on every two antenna scans, as shown in the

following illustration. The unupdated picture remains frozen while another screen is in process.

Note: When your ship navigates at high speed, use a single PPI screen mode to obtain faster picture

update.

Note: Functions including ZOOM, OFF-C, FL-EBL2, and FL-VRM2 are not available in this screen mode.

Note: The functions including RANGE, GAIN, STC, FTC, and GZ can be used independently for each

screen. The screen with reversed range display, as selected in "SEL WIN", is an active display, in

which you can operate available functions.

Note: The cross cursor will be displayed only on a selected screen.

-Operation

a) Changing the RANGE scale in LEFT screen

1) When the RIGHT range scale indicator is reversed, use the "SEL WIN" function to make the

LEFT screen to be active.

2) Press the ”RANGE UP” or ”RANGE DOWN” key to change the RANGE scale.

.75 .25 HU

280 320 000 040 080

PPI/SEMI3D Screen

.75

HU S

G 55/35

S 35/AT

F 35/AT

LEFT screen selected

.75

HU S

G 55/35

S 35/AT

35/AT

LEFT GAIN is ac

tive

Left GAIN in reverse

LEFT screen /--------/*******/--------/******/--------/****** t→

RIGHT screen *******/--------/******/--------/******/--------/

picture drawing(refreshed)

displayed previous picture ( held)