ADB9ZWFS1570GMDSS HF MF RADIOTELEPHONE WITH DSC

SSB RADIOTELEPHONE FS-1570 (150 W) FS-2570 (250 W) Your Local Agent/DealerYour Local Agent/Dealer 9-52 Ashihara-cho,9-52 Ashihara-cho, Nishinomiya, JapanNishinomiya, Japan Telephone :Telephone :0798-65-21110798-65-2111 Telefax :Telefax :0798-65-42000798-65-4200 FIRST EDITION :FIRST EDITION :OCT.OCT.20022002 Printed in JapanPrinted in Japan All rights reserved.All rights reserved. B :B :OCT.OCT.18,200218,2002 PUB.No.PUB.No.OME-56360OME-56360 *00080933800**00080933800* *00080933800**00080933800* ((DAMIDAMI)) FS-1570/2570FS-1570/2570 * 0 0 0 8 0 9 3 3 8 0 0 ** 0 0 0 8 0 9 3 3 8 0 0 * *OME56360B00**OME56360B00* *OME56360B00**OME56360B00* * O M E 5 6 3 6 0 B 0 0 ** O M E 5 6 3 6 0 B 0 0 * i Distress Alert Calling Procedure Below is the procedure for transmitting a distress alert via radiotelephone. Transmit the distress alert when a life-endangering situation occurs on your vessel. 1. Open the DISTRESS button cover and press the [DISTRESS] button more than three seconds to show the following display, then release the [DISTRESS] button. TIME TO GO : 30S NATURE: UNDESIGNATED POS: 12 ̊34N 123 ̊45E AT 12:34 TELEPHONE 2182.0 KHZ Distress call in progress! DSC FREQ :2187.5 KHZ 2. After the distress call has been transmitted, the following displays appear in order. Wait for distress acknowledgement. TIME TO GO: 2M10S NATURE: UNDESIGNATED POS: 12 ̊34N 123 ̊45E AT 12:34 TELEPHONE 2182.0 KHZ DSC FREQ : 2187.5 KHZ SHIP IN DIST: 123456789 POS: 12 ̊34N 123 ̊45E AT 12:34 TELEPHONE 2182.0 KHZ FROM COAST: 001234567 NATURE: UNDESIGNATED Distress acknowledge call received. STOP ALARM When distress call is acknowledged by coast station (usually within 1 min to 2 min 45 seconds) 3. The audio alarm sounds; press the [CANCEL] key to silence the alarm. 4. Communicate with the coast station via radiotelephone as below. (In the dual control unit system, communication can be done from any control unit, after the distress alert has been transmitted. To restore priority to the #1 control unit after completion of distress communications, turn it off and on again.) a) Say MAYDAY three times. b) Say “This is ...” name of your vessel and your call sign three times. c) Give nature of distress and assistance needed. d) Give description of your vessel (type, number of persons onboard, etc.) and any other information which may aid in rescue. ii SAFETY INSTRUCTIONS WARNING Immediately turn off the power at the switchboard if water leaks into the equipment or something is dropped in the equipment. Continued use of the equipment can cause fire or electrical shock. Contact a FURUNO agent for service. Do not disassemble or modify the equipment. Fire, electrical shock or serious injury can result. Immediately turn off the power at the switchboard if the equipment is emitting smoke or fire. Continued use of the equipment can cause fire or electrical shock. Contact a FURUNO agent for service. Do not operate the equipment with wet hands. Electrical shock can result. ELECTRICAL SHOCK HAZARD Do not open the equipment. Only qualified personnel should work inside the equipment. DANGER Never touch the SSB antenna, antenna coupler or lead-in insulator when the SSB radiotelephone is transmitting. High voltage which will cause death or serious injury is present at the locations shown in the illustration below when the SSB radiotelephone is transmitting. Antenna Coupler Antenna Wire (High Voltage) Indoor Antenna Wire Lead-in Insulator (High Voltage) Use the proper fuse. Use of the wrong fuse can cause serious damage to the equipment and void the warranty. CAUTION iii Do not operate the [DISTRESS] button except in case of a life-endangering situation on your vessel. If the distress alert is accidentally transmitted, contact the nearest coast station and inform them of the accidental transmission as follows: a) Ship's name b) Ship's call sign and DSC number c) Position at time of transmission d) Time of transmission This equipment is intended for maritime use. Do not use it in other applications. A warning label is attached to the transceiver unit and a danger label is attached to the antenna coupler. Do not remove the labels. If a label is missing or illegible, contact a FURUNO agent or dealer about replacement. WARNING To avoid electrical shock, do not remove cover. No user-serviceable parts inside. Name: Warning Label (1) Type: 86-003-1011-1 Code No.: 100-236-231 TRANSCEIVER UNIT Hazardous voltage. Can shock , burn , or cause death. Do not touch antenna wire , insulator and terminal. DANGER Name: Danger Label Type: 05-062-0213-0 Code No.: 100-199-230 ANTENNA COUPLER CAUTION WARNING LABEL iv TABLE OF CONTENTS TABLE OF CONTENTS ....................................................................................... iv FOREWORD......................................................................................................... ix SYSTEM CONFIGURATION ................................................................................ xi SPECIFICATIONS ........................................................................................... SP-1 1 OPERATIONAL OVERVIEW .........................................................................1-1 1.1 Controls ....................................................................................................................... 1-1 1.2 Turning the Power On/Off ............................................................................................ 1-2 1.3 Panel Dimmer, LCD Contrast ....................................................................................... 1-2 1.4 Indications ................................................................................................................... 1-3 1.4.1 DSC standby screen ......................................................................................... 1-3 1.4.2 Radiotelephone screen ..................................................................................... 1-3 1.5 Loudspeaker ...........................................…

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Pub. No.: SB-2240 Date : November 1, 2002 - Page 6 of 66 - 2 IDENTIFICATION OF EQUIPMENT (FCC Rule Part 2.925) The following nameplates are permanently fixed on the equipment. FCC ID:ADB9ZWFS1570 Material of nameplate:Polyester film t 188 μm ON TRANSCEIVER UNIT: (mm) ON ANTENNA COUPLER UNIT:

LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.6 of 18 - A.6 Name Plate

LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.1 of 18 - Photographs of FURUNO SSB RADIOTELEPHONE FS-1570 (for 150W) A Transceiver Unit FS-1570T (for 150 W) A.1 Front View LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.2 of 18 - A.2 Bottom View LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.3 of 18 - A.3 Inside View (with Lid opened) LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.4 of 18 - A.4 Inside View (with Shield-cover removed, showing covered SW-REG Board (upper left), PA Board 05P0735 (center left), TX-FIL Board 05P0736 (lower) and RELAY Board 05P0744 (right)) LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.5 of 18 - A.5 Inside View (with shield-covers removed, showing W/R Board 05P0734, TX-RX Board 05P0733, CPU Board 05P0732 and T-IF Board 05P0731 (from top to bottom)) LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.6 of 18 - A.6 Name Plate LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.7 of 18 - A.7 T-IF Board 05P0731 Front side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.8 of 18 - A.8 T-IF Board 05P0731 Rear side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.9 of 18 - A.9 T-CPU Board 05P0732 with DSP sub-Boards 05P0751 mounted (left), and TX-RX Board 05P0733 with PRESEL sub-Board 05P0746 (lower) and REF OSC sub-Board 05P0747 (upper) mounted (right) LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.10 of 18 - A.10 T-CPU Board 05P0732 (left) and TX-RX Board 05P0733 (right) Rear side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.11 of 18 - A.11 W/R Board 05P0734 (left) and RELAY Board 05P0744 (right) Front side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.12 of 18 - A.12 W/R Board 05P0734 (right) and RELAY Board 05P0744 (left) Rear side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.13 of 18 - A.13 PA Board 05P0735 Front side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.14 of 18 - A.14 PA Board 05P0735 Rear side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.15 of 18 - A.15 TX-FIL Board 05P0736 Front side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.16 of 18 - A.16 TX-FIL Board 05P0736 Rear side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.17 of 18 - A.17 SW-REG Board 05P0737 Front side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page A.18 of 18 - A.18 SW-REG Board 05P0737 Rear side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page B.1 of 6 - B Antenna Coupler AT-1560-15 (for 150 W) B.1 Front View LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page B.2 of 6 - B.2 Inside View (showing COUP Board 05P0528 with DUMMY LOAD Board 05P0543 mounted) LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page B.3 of 6 - B.3 Inside View (with DUMMY LOAD Board removed) LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page B.4 of 6 - B.4 COUP Board 05P0528 Rear side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page B.5 of 6 - B.5 DUMMY LOAD Board 05P0543 Rear side LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page B.6 of 6 - B.6 Name Plate LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page C.1 of 11 - C Control Unit FS-2570C C.1 Front View LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page C.2 of 11 - C.2 Rear View LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page C.3 of 11 - C.3 Inside View (with Rear cover removed, showing IF Board 05P0730) LL LL AA AA BB BB OO OO TT TT EE EE CC CC HH HH Furuno Labotech International Document no.: FLI 01-02-033 Date of issue: 30 October 2002 - Page C.4 of 11 - C.4 Inside View (with IF Board remov…

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Pub. No.: SB-2240 Date : November 1, 2002 - Page 1 of 66 - November 1, 2002 All data herein contained is true and correct to my best knowledge. Masayuki Mori Manager Radio Communication Engineering Section, Research and Development Department, Marine Electronic Products Division FURUNO ELECTRIC CO., LTD. Pub. No.: SB-2240 Date : November 1, 2002 - Page 2 of 66 - ***** CONTENTS ***** 1GENERAL INFORMATION............................................................................................... 3 1.1Specifications ..............................................................................................................3 1.2List of Test Equipment Used....................................................................................... 4 2 IDENTIFICATION OF EQUIPMENT (FCC Rule Part 2.925)........................................... 6 3TEST DATA....................................................................................................................... 7 3.1RF POWER OUTPUT (FCC Rules Part 80.215 & 2.1046)....................................... 7 3.2MODULATION CHARACTERISTICS (FCC Rule Part 2.1047)............................. 10 3.2.1Audio Frequency Response (FCC Rules Part 2.1047 (a) & 80.213) ............. 10 3.2.2Power Limiting vs. Audio Input Voltage (FCC Rule Part 2.1047) .................... 12 3.3OCCUPIED BANDWIDTH (FCC Rule Part 2.1049) ............................................... 14 3.4EMISSION LIMITATIONS (FCC Rule Part 80.211)................................................ 26 3.5SPURIOUS EMISSIONS AT ANTENNA TERMINAL (FCC Rule Part 2.1051) ..... 27 3.6FIELD STRENGTH OF SPURIOUS RADIATION (FCC Rule Part 2.1053)........... 40 3.7FREQUENCY STABILITY (FCC Rule Part 2.1055) ................................................ 46 3.8SUPPRESSION OF INTERFERENCE FROM RECEIVER (FCC Rules Part 80.217 and 2.1051) ................................................................................................... 54 4TRANSMITTER POWER ADJUSTMENT PROCEDURE (FCC Rule part 2.1033)...... 55 5PHOTOGRAPHS TO REVEAL EQUIPMENT CONSTRUCTION AND LAYOUT (FCC Rule Part 2.1033) ................................................................................................... 56 6DESCRIPTION OF CIRCUITRY AND DEVICES (FCC Rule Part 2.1033) .................. 57 6.1Function of Each Semiconductor or Active Device.................................................... 57 6.2Description of the circuits employed for suppression of spurious radiation, for limiting or shaping the control pulse, and for limiting or controlling power.................. 65 7Operator s Manual incl. Circuit Diagrams (FCC Rule Part 2.1033) ............................... 66 Pub. No.: SB-2240 Date : November 1, 2002 - Page 3 of 66 - 1GENERAL INFORMATION 1.1Specifications (a) Manufacturer:Furuno Electric Co., Ltd., Ahihara-cho 9-52, Nishinomiya-city, 662-8580 Japan (b) Model:FS- 1570 (Serial No.: 3535-0002) (c) Frequency Range:1.6 to 27.5 MHz (transmit) 0.1 to 29.9 MHz (receive) (d) Class of Emission:J3E (LSB/USB, Telephony) H3E (receive only) F1B, J2B (DSC, NBDP) F3C (receive only) (e) RF Output Power: 150 W (e) Power Supply:24 V DC 0.8 A (receive) 20 A (max) (transmit) (f) Dimensions & Weight:(1) Transceiver unit (FS-1570T), 440 mm (H) x 340 mm (W) x 135 mm (D) 11.0 kg (2) Antenna Coupler (AT-1560-15), 390 mm (H) x 267 mm (W) x 90 mm (D) 8.7 kg (3) Control unit (FS-2570C) 121 mm (H) x 300 mm (W) x 110 mm (D) 1.8 kg (4) Handset (HS-2001), 200 mm (H) x 55 mm (W) x 77 mm (D) 0.6 kg Pub. No.: SB-2240 Date : November 1, 2002 - Page 4 of 66 - 1.2List of Test Equipment Used (a)SPECTRUM ANALYZER Manufacturer:Takeda Riken Model:TR 4173 S/No:85580030 (b)50 Ω LOAD/ WATT METER: Manufacturer:Tokyo Denpa Model:DJ 522-OH-2 DC to 30 MHz: 50 250/500 W S/No:46507 (c)DC POWER SUPPLY Manufacturer:Takasago Model:GP 035-50R 0 to 35 VDC, 0 to 50 A S/No:13086029 (d)PLOTTER ManufacturerEPSON Model:HI-80 S/No:02006569 (e)BROADBAND ROD ANTENNA Manufacturer:AILTECH Model:95010-1 10 kHz to 40 MHz S/No:496 (f)BICONICAL ANTENNA Manufacturer:ELECTRO METRICS Model:BIA-25 20 MHz to 220 MHz S/No:2650 (g)FREQUENCY COUNTER: ManufacturerTAKEDA RIKEN Model:TR5824 10 Hz to 600 MHz:5 x 10 -8 /day S/NO:.41930036 (h)AUDIO SIGNAL GEN (2 ea.): ManufacturerKENWOOD Model:AG-253 50 Hz to 1 00 MHz, 600 S/No:1100026 & 709003 (i)AUDIO VOLT METER: Manufacturer:Kikusui Electronics Corp.: Model:161E S/No:2961776 Pub. No.: SB-2240 Date : November 1, 2002 - Page 5 of 66 - (j) OSCILLOSCOPE: Manufacturer:SONY TEKTRONIX Model:2445 S/No:B02576 (k)STORAGE OSCILLOSCOPE: Manufacturer:TEKTRONIX Model:2330 S/No:300462 (L)MODULATION ANALYZER: Manufacturer:HEWLETT PACKERD Model:8901B S/No:2718A01184 Pub. No.: SB-2240 Date : November 1, 2002 - Page 6 of 66 - 2 IDENTIFICATION OF EQUIPMENT (FCC Rule Part 2.925) The following nameplates are permanently fixed on the equipment. FCC ID:ADB9ZWFS1570 Material of nameplate:Polyester film t 188 μm ON TRANSCEIVER UNIT: (mm) ON ANTENNA COUPLER UNIT: Pub. No.: SB-2240 Date : November 1, 2002 - Page 7 of 66 - 3TEST DATA 3.1RF POWER OUTPUT (FCC Rules Part 80.215 & 2.1046) 3.1.1 Method of Measurement The FS-1570 is connected with measuring equipment as shown in Fig. 3.1.1. Supply voltage is set to 24 VDC. An ammeter is connected in series with collector of each final stage transistor. Test is made under normal environmental condition. 2 Audio Signal Generators generating each 400 Hz and 1800 Hz at an equal level are adjusted to produce transmitter RF output power 150 Wpep. Collector current is then measured. Measurement is made on every test f frequency on class of emission J3E. Fig. 3.1.1 OSCILLOSCOPE Model 2445 S/N: B025716 SONY TEKTRONIX EUT SSB RADIOTELEPHONE VOL T METER AM METER 50 Ω/250 W WATT METER Model DJ522 - OH -2 S/N: 46507 TOKYO DENPA DC POWER SU PPLY Model GP 035 -50R S/N: 13086 029 TAKA SAG O AUDIO S IGNAL GEN. Model AG- 253 S/N : 110 002 6 KEN WOO D AUDIO S IGNAL GEN. Model AG- 253 S/N : 709 000 3 KEN WOO D AUDIO VOLT METER Model 161E S/N:…

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FURUNO SSB RADIOTELEPHONE FS-1570 - Page 1 of 47 - 6.2 Description of the circuitry and devices provided for determining and stabilizing frequency, for suppression of spurious radiation, for limiting modulation, and for limiting power 6.2.1 System Configuration Fig.6.2.1.1 shows the configuration of FS-1570. Fig. 6.2.1.1 Configuration of FS-1570 FURUNO SSB RADIOTELEPHONE FS-1570 - Page 2 of 47 - 6.2.2 Unit Description 6.2.2.1 Transceiver unit, FS-1570T Fig.6.2.2.1-1 shows the block diagram of the transceiver unit, FS-1570T. - DSP board (05P0751) is needed for NBDP communication. - During the scanning reception of DSC general frequencies by using TX/RX board, radiotelephone and NBDP cannot be used. Fig.6.2.2.1-1 Block diagram of FS-1570T FURUNO SSB RADIOTELEPHONE FS-1570 - Page 3 of 47 - Boards in Transceiver unit Table 6.2.2.1-1 lists the function of each board in the transceiver unit. Table 6.2.2.1-1 Boards in Transceiver unit BoardTypeFunction T-CPU05P0732 1) Consisting of Main CPU, SUB CPU-1 (I/F), SUB CPU-2 (I/F) and associated circuits. DSP (For DSC) 05P0751 1) Consisting of DSP, Modem and Flash ROM. 2) DSC program is stored in EEROM. 3) The serial communication is made between the DSC DSP and Main CPU. DSP (For NBDP) 05P0751 1) Consisting of DSP, Modem and Flash ROM 2) NBDP program is stored in EEROM. 3) NBDP DSP communicates with Main CPU in parallel. TX/RX05P0733 1) Consisting of modulator and demodulator for DSC, NBDP and VOICE signals, and local oscillators. AF input/output signal: 600 Ω/ -10 dBm Output power: 0.5 W The board outputs S,RXAF, TXAF and TXOUT (RF) signals to T-CPU board for checking. PRESEL05P0746 1) Consisting of 5 filters. 2) 1.45 to 4.99 MHz filter consists of tuning circuits. An adequate capacitor is selected by a relay for the selected frequency. Other four filters is a band pass filter. REF OSC05P0747 1) This board is an 18 MHz reference oscillator. 2) The output is sent to T/R and W/R1 boards. When the transceiver unit is supplied 24V, +12 V (oven voltage) is supplied to the oven. TEMP signal is output to T-CPU board. If the TEMP signal is lower than the designed value, the transceiver does not transmit. W/R105P0734 1) This board is a DSC distress safety receiver, consisting of RF amplifier, a demodulator, an AF amplifier and local oscillators. 2) The board uses 18 MHz reference signal from REF OSC board. For self-test, 18 MHz signal is applied to the antenna circuit (RF connection). 3) The T-CPU identifies W/R board with INST signal. PA05P0739 1) Two stage push-pull amplifier outputs 150 W signal. Power gain: 27 dB 2) Check signal output to T-CPU: TEMP, VC and IC FURUNO SSB RADIOTELEPHONE FS-1570 - Page 4 of 47 - BoardTypeFunction TX FIL05P0736 1) Consisting of 7 band pass filters. 2) The filter eliminates and suppresses unwanted signal generated at PA. Check signal output to T-CPU: IN-Vr/Vf, OUT-Vr/Vf and ALC SW REG05P0737 Input voltage: 24 VDC Output voltage: +15 VDC (5 A max) Switching frequency: 220 kHz. RELAY05P0744 Consisting of; 1) On/Off relay in 24 V lines for PA 2) 25 A breakers in 24 V lines for PA 3) +12 V AVR 4) 16 V low-voltage protector 5) 35 V over-voltage protector T-IF05P0731 Consisting of; 1) Connectors and terminal board for external equipment 2) Amplifiers for LINE IN and LINE OUT signals. MB05P0742Mother board FURUNO SSB RADIOTELEPHONE FS-1570 - Page 5 of 47 - 6.2.2.2 Control unit, FS-2570C Two control units can be connected to the transceiver unit. The system is turned on and off by the control unit connected to [CONT-1] port on the transceiver unit. The control unit communicates with the transceiver unit, using RS-485. The LINE IN/OUT level between two units is 600 Ω/-10 dBm. The printer, PP-510 is connected to the control unit for printing DSC and NBDP messages. When IB-581/583 is used as a NBDP terminal, the printer is connected via IF-8500. Fig.6.2.2.2-1 Block diagram of FS-2570C Table 6.2.2.2-1 lists the boards in FS-2570C. Table 6.2.2.2-1Boards in FS-2570C UnitBoardTypeFunction C-IF05P0730 Consisting of; 1) Connectors for external units 2) Volume adjuster 3) Audio power amplifier, TA7752AP C-CPU05P0729 The C-CPU communicates with; 1) TR unit, using RS-485 2) NBDP terminal, using RS-232C 3) Printer, using Centronics 4) Hook and PTT signal detectors FS-2570C PAN EL05P0728Keys and LCD FURUNO SSB RADIOTELEPHONE FS-1570 - Page 6 of 47 - 6.2.2.3 NBDP Terminal unit, IB-581/583 (Option) IB-583 is a NBDP terminal newly developed for FS-1570. The terminal program for IB-583 differs from one for IB-581. The operation of IB-583 is almost the same as one of DP-6. Fig.6.2.2.3-1 Block diagram of IB-583 Table 6.2.2.3-1Boards in IB-583 UnitBoardTypeFunction TERM CPU16P0209A 1) Controlling display. 2) Communicating with FS-2570C (RS-232C). SW16P0212Power switch circuit PWR16P0211AGenerates 6.5 V, 3.3 V, 5 V and power for LCD PWR C16P0214Power connector and filter LCDNL6448BC33-46 IB-583 FDDJU-226A032FCK2149 (For 2HD) FURUNO SSB RADIOTELEPHONE FS-1570 - Page 7 of 47 - 6.2.2.4 Antenna coupler unit, AT-1560-15 Fig.6.2.2.4-1 shows the block diagram of the AT-1560-15 (for 150 W SSB). When the system is switched off, the antenna is grounded via the dummy board. Fig.6.2.2.4-1 Block diagram of AT-1560-15 Table 6.2.2.4-1 Boards in AT-1560-15 BoardTypeFunction COUP05P0528 Antenna matching, capability of 7 m antenna connection DUMMY05P054310 Ω+250 pF,100 W dummy load FURUNO SSB RADIOTELEPHONE FS-1570 - Page 8 of 47 - 6.2.3 Board description 6.2.3.1 Transceiver unit, FS-1570T (1) T-CPU board 05P0732 Fig.6.2.3.1-1 shows the block diagram of the T-CPU board. Fig.6.2.3.1-1 Block diagram of T-CPU 05P0732 FURUNO SSB RADIOTELEPHONE FS-1570 - Page 9 of 47 - (1.a) Function of CPU Three CPUs, 32-bit MAIN CPU, 8-bit SUB CPU-1 (I/O) and 8-bit SUB CPU-2 (I/O) work as shown in Table 5.3.1. Table 6.2.3.1-1 Function of CPU CPUFunction MAIN CPU (U3, MB91101) 1) Communicates with SUB CPU-1, SUB CPU-2, FS-2570C, MIF interface units and DMC 2) Encoding and decoding of DSC and…

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ii SAFETY INSTRUCTIONS WARNING Immediately turn off the power at the switchboard if water leaks into the equipment or something is dropped in the equipment. Continued use of the equipment can cause fire or electrical shock. Contact a FURUNO agent for service. Do not disassemble or modify the equipment. Fire, electrical shock or serious injury can result. Immediately turn off the power at the switchboard if the equipment is emitting smoke or fire. Continued use of the equipment can cause fire or electrical shock. Contact a FURUNO agent for service. Do not operate the equipment with wet hands. Electrical shock can result. ELECTRICAL SHOCK HAZARD Do not open the equipment. Only qualified personnel should work inside the equipment. DANGER Never touch the SSB antenna, antenna coupler or lead-in insulator when the SSB radiotelephone is transmitting. High voltage which will cause death or serious injury is present at the locations shown in the illustration below when the SSB radiotelephone is transmitting. Antenna Coupler Antenna Wire (High Voltage) Indoor Antenna Wire Lead-in Insulator (High Voltage) Use the proper fuse. Use of the wrong fuse can cause serious damage to the equipment and void the warranty. CAUTION iii Do not operate the [DISTRESS] button except in case of a life-endangering situation on your vessel. If the distress alert is accidentally transmitted, contact the nearest coast station and inform them of the accidental transmission as follows: a) Ship's name b) Ship's call sign and DSC number c) Position at time of transmission d) Time of transmission This equipment is intended for maritime use. Do not use it in other applications. A warning label is attached to the transceiver unit and a danger label is attached to the antenna coupler. Do not remove the labels. If a label is missing or illegible, contact a FURUNO agent or dealer about replacement. WARNING To avoid electrical shock, do not remove cover. No user-serviceable parts inside. Name: Warning Label (1) Type: 86-003-1011-1 Code No.: 100-236-231 TRANSCEIVER UNIT Hazardous voltage. Can shock , burn , or cause death. Do not touch antenna wire , insulator and terminal. DANGER Name: Danger Label Type: 05-062-0213-0 Code No.: 100-199-230 ANTENNA COUPLER CAUTION WARNING LABEL

Pub. No.: SB-2240 Date : November 1, 2002 - Page 1 of 66 - November 1, 2002 All data herein contained is true and correct to my best knowledge. Masayuki Mori Manager Radio Communication Engineering Section, Research and Development Department, Marine Electronic Products Division FURUNO ELECTRIC CO., LTD. Pub. No.: SB-2240 Date : November 1, 2002 - Page 2 of 66 - ***** CONTENTS ***** 1GENERAL INFORMATION............................................................................................... 3 1.1Specifications ..............................................................................................................3 1.2List of Test Equipment Used....................................................................................... 4 2 IDENTIFICATION OF EQUIPMENT (FCC Rule Part 2.925)........................................... 6 3TEST DATA....................................................................................................................... 7 3.1RF POWER OUTPUT (FCC Rules Part 80.215 & 2.1046)....................................... 7 3.2MODULATION CHARACTERISTICS (FCC Rule Part 2.1047)............................. 10 3.2.1Audio Frequency Response (FCC Rules Part 2.1047 (a) & 80.213) ............. 10 3.2.2Power Limiting vs. Audio Input Voltage (FCC Rule Part 2.1047) .................... 12 3.3OCCUPIED BANDWIDTH (FCC Rule Part 2.1049) ............................................... 14 3.4EMISSION LIMITATIONS (FCC Rule Part 80.211)................................................ 26 3.5SPURIOUS EMISSIONS AT ANTENNA TERMINAL (FCC Rule Part 2.1051) ..... 27 3.6FIELD STRENGTH OF SPURIOUS RADIATION (FCC Rule Part 2.1053)........... 40 3.7FREQUENCY STABILITY (FCC Rule Part 2.1055) ................................................ 46 3.8SUPPRESSION OF INTERFERENCE FROM RECEIVER (FCC Rules Part 80.217 and 2.1051) ................................................................................................... 54 4TRANSMITTER POWER ADJUSTMENT PROCEDURE (FCC Rule part 2.1033)...... 55 5PHOTOGRAPHS TO REVEAL EQUIPMENT CONSTRUCTION AND LAYOUT (FCC Rule Part 2.1033) ................................................................................................... 56 6DESCRIPTION OF CIRCUITRY AND DEVICES (FCC Rule Part 2.1033) .................. 57 6.1Function of Each Semiconductor or Active Device.................................................... 57 6.2Description of the circuits employed for suppression of spurious radiation, for limiting or shaping the control pulse, and for limiting or controlling power.................. 65 7Operator s Manual incl. Circuit Diagrams (FCC Rule Part 2.1033) ............................... 66 Pub. No.: SB-2240 Date : November 1, 2002 - Page 3 of 66 - 1GENERAL INFORMATION 1.1Specifications (a) Manufacturer:Furuno Electric Co., Ltd., Ahihara-cho 9-52, Nishinomiya-city, 662-8580 Japan (b) Model:FS- 1570 (Serial No.: 3535-0002) (c) Frequency Range:1.6 to 27.5 MHz (transmit) 0.1 to 29.9 MHz (receive) (d) Class of Emission:J3E (LSB/USB, Telephony) H3E (receive only) F1B, J2B (DSC, NBDP) F3C (receive only) (e) RF Output Power: 150 W (e) Power Supply:24 V DC 0.8 A (receive) 20 A (max) (transmit) (f) Dimensions & Weight:(1) Transceiver unit (FS-1570T), 440 mm (H) x 340…

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