Furuno 1932 MARK-2 manual INSTALLATION OF ARP-10OPTION, Notice, Input signal, Video signal

4. INSTALLATION OF ARP-10 (OPTION)

NOTICE

This option is not available with 48 rpm scanner unit.

4.1 Necessary Parts

Name	Type	Code No.	Qty
ARP-10 Board	18P9007	008-476-930	1
Spacer	SQ-20	000-801-650	4
Spring Washer	M3 C5191W	000-864-204	4
Pan Head Screw	M3x8 C2700W	000-881-404	6
Pan Head Screw	M3x8	000-805-774	3
w/washer*	SWRM10

*Not used.

4.2 Mounting

1. Turn off the power. Remove the cover from the display unit as follows:

1 Unfasten four binding screws (M4 x 10).

2 Unfasten six binding screws (M3 x 10).

3 Remove three rubber covers to unfas- ten three hex nuts.

4 Loosen two hex nuts.

11

2

2

4

1 3 1

Figure 4-1 Display unit, rear view

2.Fasten the ARP-10 Board to the right- hand chassis of the display unit, using the pan head spacers, screws, and washers (supplied) as follows.

(1)Attach three spacers.

(2)Attach the P107 connector from the ARP-10 Board to J107 connector on the SPU Board.

(3)Faster the ARP-10 Board to the chas- sis with three pan head screws and springs washers.

Front

Spring Washer

M3 3 pcs.

$

Spacer

SQ-20 3 pcs.

$

Pan Head

Screw

M3 x 8 3 pcs.

P107

J107

ARP-10 Board

18P9007

SPU Board

SPU9211

Note: Remaining hardware may be discarded.

Figure 4-2 How to mount the

ARP-10 Board

4.3 Adjustments

Input signal

1.Connect the gyrocompass. Turn on the radar and transmit.

2.Press the [MENU] key and select the OTHERS menu

3.Select “23. Self Test” and press the [ACQ/ ENTER] key. Confirm that the ARP-10 test results show OK for SPEED, COURSE, TRIGGER< BP and HP.

Video signal

Confirm the following on the ARP-10 test dis- play:

•Video is “OK.”

•Adjust the GAIN, A/C and A/C RAIN con- trols so FE-DATA1 and FE-DATA2 indi- cations on the ARP-10 TEST show less than 1,000. Also, raise/lower the gain while watching the FE-DATA1 and FE- DATA2 indications. Confirm that the FE- DATA1 and FE-DATA2 indications rise/ lower according to GAIN control adjust- ment.

4-1