Raymarine ST50 plus Specifications download pdf (Page 19)

ST50 PLUS RADAR Operation and installation Handbook

Step 1. Loosen the 4 clamping bolls

securing the radome and remove the

radome cover. -The clamping bolts are

captive and should remain in the lower

flange assembly.

Step 2. Remove watertight gland and

grommet where the interconnect cable

enters the radome base.

Remove shield jacket retaining plate.

Step 3. Slide gland nut and the rubber

grommet onto the cable and insert the

connecting cable into the radome base.

Secure the watertight gland.

Step 4. Connect the cable leads to

terminal board

Jl,

using clamping tool

supplied. Ground the shield with the lug

to cable clamp bolt provided. Dress the

wire harness with cable clamps or

tie-

raps as necessary for neatness.

)

Section 2. installation

The cable entrance is provided at the rear of the radome unit. If the unit

is mounted on a hollow mast, the cable may be run inside the mast and

then fed through the radar’s cable entrance.

Before wiring the scanner unit, confirm that the interunit cable is not

connected and power is not applied to the display unit. Connect the

cable leads onto terminal strip JI, using clamping tool as shown below.

Tie shield jacket by retaining plate.

AlI----

-----

Coax. 50 ohms

ELK

-R

-----

WHT

---.

;

’

YEL

I @

T RED

SHIELDED WIRE

LARGE WIRE

SMALL WIRE

-----J

Fig. 2-10 Wiring Diagram for ST50 Radome Antenna Unit

DC-R

Tl/GS

TUNVIPW

TUNIISHM

+12V/BP

-0V

Fig. 2-9 Connecting Procedure for Radome Antenna Unit

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Raymarine ST50 plus Specifications Page 19

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