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MODEL 1621 MARK-2Operator's Guide

The purpose of this manual is to provide thebasic operating procedures for this equipment.For detailed information, refer to the operator'smanual.

MENU GUARD

HM OFF

EBL VRM

RING

RANGE

GAIN STC

FTC SHIFT

TRAIL ZOOM

TONE TX

POWER

TrackDiskShifts cursor, EBL,

VRM; selects itemson menus.

Increases therange.

Suppresses seaclutter.

Opens/closesthe menu.

Decreasesthe range.

Adjusts receiversensitivity.

Suppressesrain clutter.

Target trailson/off.

Adjusts LCD toneand brilliance.

Shifts the display.

Zoom featureon/off.

Toggles betweenTRANSMIT andSTAND-BY.

Turns poweron/off.

Turns EBLon/off.

Turns VRM on/off.Press with [EBL] toturn range ringson/off.

Activates/disablesthe guard zone.Press with [MENU]

to hide headingmarker.

Control Panel

Power on/off

Press [POWER].

Transmitting/stand-by

Press [TX].

LCD tone and brilliance

1. Press [TONE].

TONE: 12

LOW t s HIGH

BRILL: 3

LOW w v HIGH

2. Press t/s for tone;v/w for brilliance.

Selecting range

Press [+] or [].

Adjusting sensitivity

1. Press [GAIN] to select manual or automaticadjustment.

MAN GAIN MOD

LOW t s HIGH

AUTO GAIN MOD

LOW t s HIGH

1 2 3[GAIN]32

Manual Automatic

2. Press t/sto set.

Suppressing sea clutter

1. Press [STC] to select manual or automaticadjustment.

MAN STC MOD

LOW t s HIGH

AUTO STC MOD

LOW t s HIGH

1 2 3[STC]

Manual Automatic

32

2. Press t/s to set.

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Suppressing rain clutter

Press [FTC].

Shifting the cursor

Press the TrackDisk ( ).

Measuring range by VRM

1. Press [VRM].2.Press v/w to place the VRM on the inner

edge of the target.

Measuring bearing by EBL

1. Press [EBL].2.Press t/s to bisect the target with EBL.

Showing/hiding range rings

Press [EBL] and [VRM] together.

Hiding the heading marker

Press [MENU] and [GUARD] together. Re-

lease the keys to redisplay the marker.

Shifting the display

Press [SHIFT].

Zoom

Select location by cursor and press [ZOOM].

Menu operation

1. Press [MENU].

OFF 5M 10M 20M0 1 2 3

NORM RVS

ON OFFON OFF

ON OFF

NAV OFFCONT 30S

1M 3M 6MLOW HIGH

PRESSv/w TO SELECT MENU

ITEM,t/s TO CHANGE SETTING.

12

3

4

56

ECHO STRETCHINT. REJECT

NAV DATA

VIDEO

WATCHMANDIMMER

PRESSv/w TO SELECT MENU

ITEM,t/s TO CHANGE SETTING.

78

910

DSPL ON STBYTRAIL TIME

TRAIL BRILLRANGE (NM)

Pressw/v at page boundaries to

switch between menus.

1/4 1/2 3/4 1 1.5

2 3 4 6 8 12 16

2 Press v/wto select item.3. Presst/sto set option.4. Press [MENU] to register option and close

the menu.

Echo trails on/off

Press [TRAIL]. (Trail brilliance and trail timemay be selected on the menu.)

Setting a guard zone

1. Place the cursor at the top left corner for thezone and press [GUARD].

2. Place the cursor at the bottom right cornerfor the zone and press [GUARD].

1) Drag cursor totop left corner forzone and press[GUARD].

Drag cursorhere.

2) Drag cursor tobottom right cornerfor zone and press[GUARD].

Drag cursorhere.

P U B . N O . O S E - 3 4 2 8 0 - A

( 9 6 0 2 , K A O K ) M OD E L 1 6 2 1 MA R K- 2