1.CONTROLS, INDICATIONS

1.1Control Description

The equipment is so designed that even a first time user can quickly become acquainted with the operating procedure. Operation of each control or key is acknowledged by an alphanumeric message or symbol indication on the screen.

Control

Function

SHIFT-,SHIFT+

Change display start depth.

(Appears in text as [-],[+].)

Select options on menus.

 

 

ADVANCE (BRILL+AUTO)

Pressing the BRILL and AUTO keys together

 

selects display advancement speed.

 

 

BRILL

Adjusts brilliance of display.

 

 

AUTO

Turns the automatic sounder adjustment feature on/off.

 

 

A-SCOPE

Pressing the SIG LEV and ALARM keys together displays the

(SIG LEV+ALARM)

A-scope display at the right 1/4 of the screen.

 

 

SIG LEV

Eliminates low intensity echoes (up to light-blue echoes) in

 

two steps.

 

 

ALARM

Open/closes the alarm menu.

 

 

 

Shift the Variable Range Marker (VRM).

MARKER ,MARKER

Set alarm zone.

(Appears in text as[ ]or[ ])

Select menu items.

 

Set white marker.

 

 

RANGE

Sets the basic range of the display.

 

 

GAIN

Adjusts receiver sensitivity.

MODE

Turns unit on/off

 

Selects display mode.

1-1

Page 9
Image 9
Onwa KF-667 manual CONTROLS, Indications, Control Function