Raymarine ST50 plus Specifications download pdf (Page 33)

3-16

ST50 PLUS RADAR Operation and Installation Handbook

You can move the CURSOR to the start point by using arrow keys

and then start it by pressing

[-Ikey.

Next you can set the

END point by using arrow keys and pressing

mlkey.

As you

do this, the Guard zone area will be drawn. After setting the Start

point and the END point, the Alarm function will operate. If

the

-[key

is pressed again while the Alarm function is

operating, the Alarm function will be turned off.

START ZONE

START

(END ZONE)

Alarm Zone

Ex. 360” GUARD ZONE Ex. SECTOR ZONE

START

@ ELECTRONIC BEARING LINE

(EBL)

CONTROL

The EBL bearings may be displayed in either Relative

“R”,

True

‘7”

or Magnetic

“M”

depending on the mode selected within the

RADAR SET UP MENU. The digits of the bearing display will be

followed by a “T” when the bearing is ‘True”, an

“M”

when the

bearing is “Magnetic”, or blank when the bearing is “Relative”. It

should be noted that a Loran, GPS navigator, Flux Gate compass

or Sea Talk is required in order to display True or Magnetic

bearings depending on your selection of RADAR SETUP BEARING

REL. MAG. TRUE where you can select either Magnetic or True

bearings.

Section 3. Operation

If the

key is pressed the EBL will be displayed as a “Dashed”

line

and

‘EBL’

will be highlited at the bottom of the display. By

pressing the clockwise q or counterclockwise

key, the EBL can be rotated in the corresponding direction,

and the bearing of the EBL will be displayed under the EBL

characters in the center panel on the bottom of the screen. If you

wish to move the EBL more quickly keep the direction key held

depressed and after one

set,

the EBL will rotate quickly around

the screen.

The figure of the bearing display will be followed by a

“T”

when the

bearing is “True”, an

“M”

when the bearing is “Magnetic”, and will

have no letter displayed when the bearing is relative.

If the

key is again depressed, the EBL will be turned“off”and

the EBL box will go blank.

@ VARIABLE RANGE MARKER

(VRM)

CONTROL

The VRM is used to obtain accurate range measurements to

targets or land masses. When the

mkey

is pressed,VRM will

be displayed as a dashed ring on-screen and an inverse block

“VRM”

character will be displayed in the lower right corner of the

display. By pressing the ‘Increase’

or “Decrease”

key

on the track pad, the VRM range is changed and the

VRMdistance

value will be displayed on the LCD, following the VRM characters,

in nautical miles. If you wish to move the VRM ring more quickly,

keep the “increase”

or “decrease”

111

key held pressed.

After one

set,

the VRM will speed up its movement. If the VRM key

is depressed again, the VRM ring will be turned off. After VRM

control has been used, if any another function key (such as

EBL)

using the arrow keys is pressed, the inverse

“VRM”

character will

will shut it off.

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Raymarine ST50 plus Specifications Page 33

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