User Manual

(2) Adjusting angle (HEAD ADJ)

The purpose of this adjustment is to exactly orient the Heading Mark on the screen with the ship’s bow

direction.

Note: Heading offset value for open antenna is different from that of a radome antenna.

(1) In preparation for adjusting the angle, the following adjustments are to be conducted.

(1)-1 Find one small target within a 0.5 to 1.5 NM range which, lying in the bow direction, can be visually

observed and is clearly recognized on the radar screen.

(1)-2 Measure the bearing of this target from the bow direction using a compass. Let it be

(1)-3 Measure the bearing of the above target in head up (HU) mode using EBL. Let it be

(1)-4 Calculate the following:

c -

r : if

c is greater than

360 - (

r -

c ) : if

r is greater than

The obtained value is the azimuth error of your radar at installation. If

c and

r are equal, the ad-

justment described below is unnecessary.

(2) Adjustment procedure

(2)-1 Select ADJUST by "common operations for CUSTOM" and select HEAD ADJ from among the

pull-down menu using the up or down cursor key. Press the "ENT" key to fix the HEAD ADJ

item.

(2)-2 Rotate the rotary control to set the value calculated.

(2)-3 When the adjustment is finished, press the "ENT" key to exit from this menu.

Up/Down → ENT → Control knob → ENT

Select HEAD ADJ. Set a value to .

(3) Adjusting receiver tuning (TUNING CAL)

Normally you do not need to make this adjustment. This adjustment may be necessary to ensure normal

automatic tuning operation. However, if the echo sensitivity is poor or there is any symptom suggesting

improper tuning, you may need to re-adjust the tuning by the following procedures.

(1) Choose several stable video images in the 3 NM range or more.

(2) Select ADJUST by "common operations for CUSTOM", and select TUNING CAL using the up or

down cursor key from the pull-down menu. Press the "ENT" key to fix the selection.

(3) The tuning adjustment screen (TUNING CALIBRATION) will appear, and then select AUTO with

up-down cursor key.

HEAD DIRECTION ADJUSTMENT

ADJUST WITH CONTROL KNOB

PRESS ENTER KEY TO RETURN

_358.8°_

HEADING Adjustment

Adjust with Control knob