Furuno FS-5075 User manual

SSB RADIOTELEPHONE
FS-2575
FS-5075
OPERATOR'S MANUAL
www.furuno.co.jp
MODEL

The paper used in this manual
is elemental chlorine free.
・FURUNO Authorized Distributor/Dealer
9-52 Ashihara-cho,
Nishinomiya, 662-8580, JAPAN
Telephone : [phone]
Fax
:
[phone]
A : 0000
Printed in Japan
All rights reserved.
Z : FEB . 25, 2011
Pub. No. OME-56770-Z
*00017516510**00017516510*
(YOTA ) FS-2575/5075
*
00017516510
*
*
00017516510
*
* 0 0 0 1 7 5 1 6 5 1 0 *

i
Ni-Cd Pb
IMPORTANT NOTICE
General
• The operator of this equipment must read and follow the descriptions in this manual.
Wrong operation or maintenance can cancel the warranty or cause injury.
• Do not copy any part of this manual without written permission from FURUNO.
• If this manual is lost or worn, contact your dealer about replacement.
• The contents of this manual and equipment specifications can change without notice.
• The example screens (or illustrations) shown in this manual can be different from the
screens you see on your display. The screens you see depend on your system
configuration and equipment settings.
• Save this manual for future reference.
• Any modification of the equipment (including software) by persons not authorized by
FURUNO will cancel the warranty.
• All brand and product names are trademarks, registered trademarks or service marks of
their respective holders.
How to discard this product
Discard this product according to local regulations for the disposal of industrial waste. For
disposal in the USA, see the homepage of the Electronics Industries Alliance
(http://www.eiae.org/) for the correct method of disposal.
How to discard a used battery
Some FURUNO products have a battery(ies). To see if your product has a battery, see the
chapter on Maintenance. Follow the instructions below if a battery is used. Tape the + and -
terminals of battery before disposal to prevent fire, heat generation caused by short circuit.
In the European Union
The crossed-out trash can symbol indicates that all types of
batteries must not be discarded in standard trash, or at a trash site.
Take the used batteries to a battery collection site according to your
national legislation and the Batteries Directive 2006/66/EU.
In the USA
The Mobius loop symbol (three chasing arrows) indicates that Ni-Cd
and lead-acid rechargeable batteries must be recycled. Take the used
batteries to a battery collection site according to local laws.
In the other countries
There are no international standards for the battery recycle symbol. The number of symbols
can increase when the other countries make their own recycling symbols in the future.
Cd

ii
SAFETY INSTRUCTIONS
Indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury.
Indicates a hazardous situation which, if not avoided, will result in
death or serious injury.
The user and installer must read the appropriate safety instructions before attempting to install
or operate the equipment.
DANGER
WARNING
CAUTION
Warning, Caution Prohibitive Action
Mandatory Action
DANGER
WARNING
WARNING
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)
Do not open the equipment.
Only qualified personnel should work
inside the equipment.
Immediately turn off the power at the
switchboard if water leaks into the
equipment or something is dropped into
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 place liquid-filled containers on
the top of the equipment.
Fire or electrical shock can result if a liquid
spills into the equipment.
Do not operate the equipment with
wet hands.
Electrical shock can result.
Turn off the power immediately if you
feel the equipment is behaving
abnormally.
Turn off the power at the switchboard if
the equipment becomes abnormally
warm or is emitting odd noises. Contact
a FURUNO dealer or agent for advice.
Make sure no rain or water splash leaks
into the equipment.
Fire or electrical shock can result if water
leaks in the equipment.
Use the proper fuse.
Use of the wrong fuse can cause fire
or electrical shock.

SAFETY INSTRUCTIONS
iii
The TFT LCD is constructed using the latest LCD techniques, and displays
99.99% of its pixels. The remaining 0.01% of the pixels may drop out or
blink, however this is not an indication of malfunction.
About the TFT LCD
Warning labels are attached to the equipment. Do not remove any label. If a label is missing or
damaged, contact a FURUNO agent or dealerabout replacement.
Name: Warning Label 1
Type: 86-003-1011-3
Code No.: 100-236-233-10
WARNING CAUTION
Do not operate the [DISTRESS] button
except in case of a life-endangering
situation on your vessel.
Operating the [DISTRESS] button
transmits the distress alert. Accidental
transmission may prevent search and
rescue operations for actual emergency.
If the distress alert is accidentally
transmitted, contact the nearest station
to cancel the alert.
If the distress alert is accidentally
transmitted, contact the nearest coast
station and inform them of the accidental
transmission, providing the following data:
a) Ship’s name
b) Ship’s call sign and DSC number
c) Position at time of transmission
d) Time of transmission
WARNING LABELS
Do not apply strong pressure to the
LCD, which is made of glass.
Injury can result if the LCD breaks.
Name: Warning Label
Type: 14-055-4202-1
Code No.: 100-245-221-10
Name: High Temp Warning Label
Type: 05-089-2142-0
Code No.: 100-301-620-00

iv
TABLE OF CONTENTS
FOREWORD ........................................................................................................ ix
SYSTEM CONFIGURATIONS ............................................................................. xi
1. OPERATIONAL OVERVIEW......................................................................... 1-1
1.1 Controls..................................................................................................................... 1-1
1.2 How to Turn On/Off the Power................................................................................... 1-2
1.3 Radiotelephone (RT) Screen..................................................................................... 1-3
1.4 DSC Scan Screen ..................................................................................................... 1-4
1.5 How to Adjust LCD and Key Panel Brilliance ............................................................. 1-4
1.6 How to Turn On/Off the Main Speaker ....................................................................... 1-4
1.7 How to Set the Scan Frequencies ............................................................................. 1-5
1.8 How to Set the Auto Acknowledgement..................................................................... 1-5
1.9 Controller Priority ...................................................................................................... 1-5
1.10 Intercom.................................................................................................................... 1-6
2. SSB RADIOTELEPHONE ............................................................................. 2-1
2.1 How to Select the Class of Emission ......................................................................... 2-1
2.2 How to Select the Channel, Frequency ..................................................................... 2-2
2.3 Transmitting .............................................................................................................. 2-3
2.3.1 Transmitting procedure ................................................................................... 2-3
2.3.2 Reducing transmitter power ............................................................................ 2-4
2.3.3 Condition of the transmitting unit..................................................................... 2-4
2.4 Receiving .................................................................................................................. 2-5
2.4.1 RF gain (sensitivity) adjustment ...................................................................... 2-5
2.4.2 S-meter........................................................................................................... 2-5
2.4.3 Receiving AM broadcasting stations ............................................................... 2-6
2.4.4 Noise blanker.................................................................................................. 2-6
2.4.5 Noise reduction............................................................................................... 2-6
2.4.6 Notch filter ...................................................................................................... 2-6
2.4.7 Squelch function ............................................................................................. 2-6
2.4.8 Attenuator ....................................................................................................... 2-6
2.5 User Channels .......................................................................................................... 2-7
3. DSC OVERVIEW ........................................................................................... 3-1
3.1 What is DSC?............................................................................................................ 3-1
3.2 DSC Message........................................................................................................... 3-1
3.3 Audio Alarms............................................................................................................. 3-3
3.4 Interpreting Call Screens........................................................................................... 3-3
3.4.1 Receive calls................................................................................................... 3-3
3.4.2 Send calls ....................................................................................................... 3-4

TABLE OF CONTENTS
v
4. DISTRESS OPERATIONS ............................................................................ 4-1
4.1 Sending Distress Alert ............................................................................................... 4-1
4.1.1 Sending distress alert by DISTRESS key with distress information not edited. 4-2
4.1.2 Sending distress alert by DISTRESS key with distress information edited....... 4-3
4.2 Receiving a DISTRESS Alert ..................................................................................... 4-5
4.2.1 Distress alert received on MF band ................................................................. 4-6
4.2.2 Distress alert received on HF band ................................................................. 4-8
4.3 Sending Distress Relay on Behalf of a Ship in Distress ........................................... 4-10
4.3.1 Sending distress relay to coast station .......................................................... 4-10
4.3.2 Sending distress relay to area ships.............................................................. 4-11
4.4 Receiving Distress Relay from Coast Station ........................................................... 4-12
4.5 Canceling Distress Alert........................................................................................... 4-12
5. GENERAL MESSAGE CALLING, RECEIVING ............................................ 5-1
5.1 Individual Call ............................................................................................................ 5-1
5.1.1 Sending an individual call................................................................................ 5-1
5.1.2 Receiving an individual call ............................................................................. 5-5
5.2 Group Call ................................................................................................................. 5-7
5.2.1 Sending a group call........................................................................................ 5-7
5.2.2 Receiving a group call ..................................................................................... 5-8
5.3 Geographical Area Call.............................................................................................. 5-9
5.3.1 Sending a geographical area call .................................................................... 5-9
5.3.2 Receiving a geographical area call................................................................ 5-11
5.4 Neutral Craft Call ..................................................................................................... 5-11
5.4.1 Sending a neutral craft call ............................................................................ 5-11
5.4.2 Receiving a neutral craft call ......................................................................... 5-13
5.5 Medical Transport Call ............................................................................................. 5-13
5.5.1 Sending a medical transport call.................................................................... 5-13
5.5.2 Receiving a medical transport call................................................................. 5-14
5.6 Receiving a Polling Request .................................................................................... 5-15
5.6.1 Automatic reply ............................................................................................. 5-15
5.6.2 Manual reply.................................................................................................. 5-15
5.7 Position Call............................................................................................................. 5-16
5.7.1 Requesting other ship’s position.................................................................... 5-16
5.7.2 Position call: other ship requests your position.............................................. 5-17
5.8 PSTN Call................................................................................................................ 5-18
5.8.1 Sending a PSTN call ..................................................................................... 5-18
5.8.2 Receiving a PSTN call................................................................................... 5-20
6. MENU OPERATION ...................................................................................... 6-1
6.1 How to Open the MENU Screen ................................................................................ 6-1
6.2 User Channels........................................................................................................... 6-2
6.2.1 List for user channels ...................................................................................... 6-2
6.2.2 Receiving user channels ................................................................................. 6-2
6.2.3 Editing user channels ...................................................................................... 6-3
6.2.4 Deleting user channels.................................................................................... 6-3
6.2.5 Loading head of band...................................................................................... 6-4
6.2.6 Quoting user channels .................................................................................... 6-4

TABLE OF CONTENTS
vi
6.3 Log File ..................................................................................................................... 6-5
6.3.1 Opening a log file............................................................................................ 6-5
6.3.2 Deleting log files ............................................................................................. 6-6
6.4 Squelch Frequency ................................................................................................... 6-6
6.5 Key Assignment ........................................................................................................ 6-7
6.6 Printing Messages..................................................................................................... 6-8
6.7 Position Setting ......................................................................................................... 6-8
6.8 Date and Time Setting............................................................................................... 6-9
6.9 Timeout Setting ........................................................................................................6-10
6.10 FAX Enable/Disable .................................................................................................6-11
6.11 Selecting Antenna ....................................................................................................6-11
6.12 NETWORK Setting...................................................................................................6-11
6.13 Address Book...........................................................................................................6-12
6.13.1 List for address data ......................................................................................6-12
6.13.2 Registering address .......................................................................................6-12
6.13.3 Editing address..............................................................................................6-13
6.13.4 Deleting address............................................................................................6-13
6.13.5 Creating DSC messages with quoting registered address..............................6-14
6.14 Preparing TX Message.............................................................................................6-14
6.14.1 List for message files .....................................................................................6-14
6.14.2 Preparing individual calls ...............................................................................6-15
6.14.3 Preparing group calls .....................................................................................6-16
6.14.4 Preparing PSTN calls.....................................................................................6-16
6.14.5 Preparing test call ..........................................................................................6-16
6.14.6 Editing prepared messages ...........................................................................6-17
6.14.7 Sending prepared messages .........................................................................6-17
6.14.8 Deleting prepared messages .........................................................................6-17
6.15 Setting the AUTO ACK Details..................................................................................6-18
6.16 Special Messages ....................................................................................................6-18
6.17 Setting Scan Frequencies ........................................................................................6-19
6.18 Sound Setting...........................................................................................................6-20
7. NBDP SYSTEM OVERVIEW......................................................................... 7-1
7.1 Turning on the NBDP System.................................................................................... 7-1
7.2 Description of Equipment .......................................................................................... 7-1
7.2.1 Terminal unit ................................................................................................... 7-1
7.2.2 Keyboard ........................................................................................................ 7-2
7.3 Function Keys, Menu Operation ................................................................................ 7-3
7.3.1 Menu conventions........................................................................................... 7-3
7.3.2 Menu overview................................................................................................ 7-4
7.3.3 Function key description ................................................................................. 7-5
8. NBDP PREPARATIONS................................................................................ 8-1
8.1 Registering Answerback Code & ID Codes ............................................................... 8-1
8.1.1 Registering answerback code ......................................................................... 8-1
8.1.2 Registering ID codes....................................................................................... 8-2
8.2 Station List ................................................................................................................8-3
8.2.1 Registering stations ........................................................................................ 8-3

TABLE OF CONTENTS
vii
8.2.2 Editing/Deleting stations.................................................................................. 8-4
8.3 Timer Programming ................................................................................................... 8-5
8.3.1 Registering timer programs ............................................................................. 8-5
8.3.2 Editing/Deleting timer programs ...................................................................... 8-6
8.4 User Channels........................................................................................................... 8-6
8.4.1 Registering user channels ............................................................................... 8-6
8.4.2 Editing/Deleting user channels ........................................................................ 8-7
8.5 Scan Channel Groups ............................................................................................... 8-7
8.5.1 Registering scan channel groups .................................................................... 8-7
8.5.2 Editing/Deleting scan channel groups.............................................................. 8-8
9. NBDP FILE OPERATIONS ........................................................................... 9-1
9.1 Opening and Closing Files......................................................................................... 9-1
9.2 Creating Files ............................................................................................................ 9-1
9.3 Saving a File.............................................................................................................. 9-2
9.3.1 Formatting floppy disks ................................................................................... 9-2
9.3.2 Saving a file..................................................................................................... 9-2
9.4 Editing Files...............................................................................................................9-3
9.4.1 Cutting and pasting text................................................................................... 9-3
9.4.2 Copying and pasting text................................................................................. 9-4
9.4.3 Select call........................................................................................................ 9-4
9.4.4 Searching text ................................................................................................. 9-5
9.4.5 Replacing text ................................................................................................. 9-5
9.4.6 Goto line.......................................................................................................... 9-6
9.4.7 Goto top, Goto bottom..................................................................................... 9-6
9.5 Opening Files ............................................................................................................ 9-6
9.5.1 Opening a file.................................................................................................. 9-6
9.5.2 Switching between files ................................................................................... 9-7
9.6 Renaming Files.......................................................................................................... 9-7
9.7 Saving a File Under a New Name.............................................................................. 9-7
9.8 Deleting Files............................................................................................................. 9-7
9.9 Real Time Printing ..................................................................................................... 9-8
9.10 Printing Files.............................................................................................................. 9-8
10. NBDP TRANSMITTING, RECEIVING........................................................ 10-1
10.1 Manual Calling......................................................................................................... 10-1
10.2 ARQ Mode Operation .............................................................................................. 10-3
10.3 FEC Mode Operation............................................................................................... 10-5
10.4 Selecting Receive Mode .......................................................................................... 10-5
10.5 Communication Example......................................................................................... 10-6
10.6 Timer Operation....................................................................................................... 10-8
10.6.1 Enabling timer operation ............................................................................... 10-8
10.6.2 Stopping timer operation ............................................................................... 10-8
10.7 Scanning ................................................................................................................. 10-9
10.8 Communication Buffer.............................................................................................. 10-9
10.9 Preparing Macrofiles for Automatic Telex ............................................................... 10-10
10.9.1 Automatic telex overview............................................................................. 10-10
10.9.2 Preparations................................................................................................ 10-10

TABLE OF CONTENTS
viii
10.9.3 Commands ..................................................................................................10-11
10.9.4 Store-and-forward method ...........................................................................10-12
10.10 Automatic Telex Using Macrofile ...........................................................................10-15
11. MAINTENANCE & TROUBLESHOOTING ................................................ 11-1
11.1 Test ..........................................................................................................................11-1
11.2 Maintenance.............................................................................................................11-2
11.3 Simple Troubleshooting............................................................................................11-3
11.4 Error Messages........................................................................................................11-4
11.5 Breaker PR-850A .....................................................................................................11-5
11.6 Test Call ...................................................................................................................11-5
11.7 NBDP Terminal Unit Maintenance ............................................................................11-6
11.7.1 Cleaning the equipment .................................................................................11-6
11.7.2 Connectors and earth connection ..................................................................11-6
11.7.3 Floppy disk drive............................................................................................11-6
11.7.4 Diagnostics ....................................................................................................11-6
APPENDIX ...................................................................................................... AP-1
Menu Tree .......................................................................................................................AP-1
NBDP terminal unit (telex) ...............................................................................................AP-2
Frequency Tables ............................................................................................................AP-3
Telex Abbreviations........................................................................................................AP-16
Digital Interface (IEC 61162-1).......................................................................................AP-17
Schematic diagram........................................................................................................AP-21
Parts List .......................................................................................................................AP-22
Parts Location ...............................................................................................................AP-24
SPECIFICATRIONS ........................................................................................ SP-1

ix
FOREWORD
A Word to the Owner of the FS-2575/5075
Congratulations on your choice of the FURUNO FS-2575/5075 SSB Radiotelephone. We
are confident you will see why the FURUNO name has become synonymous with quality
and reliability.
For over 60 years FURUNO Electric Company has enjoyed an enviable reputation for
innovative and dependable marine electronics equipment. This dedication to excellence is
furthered by our extensive global network of agents and dealers.
Your equipment is designed and constructed to meet the rigorous demands of the marine
environment. However, no machine can perform its intended function unless properly
installed and maintained. Please carefully read and follow the operation and maintenance
procedures set forth in this manual.
We would appreciate feedback from you, the end-user, about whether we are achieving our
purposes.
Thank you for considering and purchasing FURUNO equipment.
Features
The FS-2575/5075 is an MF/HF SSB Radiotelephone with a built-in DSC/Watch Receiver,
all contained in a surprisingly compact cabinet. An NBDP (Narrow Band Direct Printing)
Terminal Unit is optionally available.
Data is displayed on a large, easy-to-read color LCD. Operation is simplified by the use of
few keys and easy-to-follow menus.
The built-in DSC/watch receiver produces and receives digital selective calls for quick and
efficient establishment of distress, urgency, safety and general communications with other
ships and coast stations that install any MF/HF DSC facilities.
The main features are
General
• Fully meets the following regulations: IMO A.806(19), IMO A.694(17), MSC 36(63), MSC
68(68), IEC 61162-1, IEC 60945, EN 300 373-1, ETS 300 067, EN 300 338, EN 301 033,
ITU-R M.476-5, ITU-R M.490, ITU-R M.491-1, ITU-R M.492-6, ITU-R M.493-13, ITU-R
M.541-9, ITU-R M.625-3, ITU-R M.821-1, ITU-R M.1082-1, ITU-R M.1173, MSC/Circ.
862.
• Automatic entry of position with manual override
• Optional printer can automatically print out DSC and NBDP received messages and test
results.

FOREWORD
x
DSC/watch receiver
• Distress, urgency, safety and general calling
• Scanning of DSC frequencies for distress and general calls on MF/HF
• File editing capability for readiness in case of emergency
• PSTN (Public Switched Telephone Network) capability standard
• Log stores 50 each of latest ordinary, distress and transmitted messages, in separate
memory blocks.
SSB
• Receiving voice communication, telex and AM.
• Facsimile signal receiving
• Simplified setting of channel and frequency.
NBDP (with optional NBDP Terminal Unit IB-583)
• Automatic error-free telex communications and distress message in compliance with
GMDSS requirements
• LCD monitor and keyboard comply with ITU regulations
• Pop-up menus for user-friendly operation
• Memory for 256 operator-customized channels
• Real time message printing with Printer PP-510
Program Number
FS-2575/5075
Location PC board Program No. Version
0550243 (Prog) 01.xx
T-CPU (05P0859) 0550247 (Boot) 01.xx
FS-2575T/5075T
MOT (05P0860) 0550245 (CPLD) 01.xx
FS-2575C C-CPU (05P0852) 0550246 (Boot) 01.xx
ANTENNA COUPLER COUP (05P0875) 0550244 01.xx
xx: minor change
Terminal Unit IB-583 (optional unit)
PC board Program No. Version
TERMINAL 0550209 1.22

xi
SYSTEM CONFIGURATIONS
CONTROL UNIT
FS-2575C
*
3
*
1
*
1
ANTENNA COUPLER
AT-5075
PRINTER
INTERFACE
IF-8500*
2
PRINTER
PP-510
24
VDC
ALARM
SYSTEM
NAVIGATOR
EXTERNAL
EQUIPMENT
ALARM UNIT
IC-350
AUTOMATIC ANTENNA
SWITCH AS-102
LOUDSPEAKER
SEM-21Q
PREAMP
FAX-5
PREAMP
FAX-5
ANT. JUNC. BOX AJB1-1A or
MATCHING BOX ARD-1
*
1
2.6 m whip
antenna
WR BOARD
TRANSCEIVER
UNIT
FS-2575T
(FS-2575)
or
FS-5075T
(FS-5075)
CONTROL UNIT
FS-2575C
NBDP TERMINAL UNIT
IB-583
24 VDC
*
2
Required for NBDP Terminal
and DSC to share printer.
*
3
For DSC routine frequency
watch keeping receiver
AC POWER
SUPPLY UNIT
PR-850A
POWER STATUS
MONITOR
PSM-01
SHIP’S MAINS
24 VDC
100/110/120/200/220/240 VAC
1
φ , 50/60 Hz
: STANDARD
: OPTION
: LOCAL SUPPLY
Unit Category
Preamp Unit
Antenna Coupler
Other Units
Exposed to the weather
Exposed to the weather OR
protected from the weather
Protected from the weather
HANDSET
HS-2003
HANDSET
HS-2003
LOUDSPEAKER
SEM-21Q
BK INTERFACE
BK-300

SYSTEM CONFIGURATIONS
xii
This page is intentionally left blank.

1-1
1. OPERATIONAL OVERVIEW
1.1 Controls
SCAN 2182
RT/CH
12
NB
3
SQ
46
97
5
NR
8
NF
0
TUNE
COMPOSE
DROBOSE MSG
PUSH TO ENTER
DISTRESS
MSG OTHER
DSC MSG
BRILL
TAB MENU
CANCEL
Keep pressed for 4 s in
case of DISTRESS.
The alert is transmitted
with steady lighting.
HANDSET VOLUME
PWR OFF
RF GAIN
PUSH TO ATT
OVEN
ALARM
DISTRESS
34°42 . 2800 ’ N
135°19 . 5900 ’ E
Description of controls
Control Function
VOLUME/PWR
knob
•Turn the power on/off.
•Adjust volume.
ENTER knob Rotate to select the menu items or switch the screen for the data which
have multi pages (e.g., log data); press to register the selection.
RF GAIN/
PUSH TO ATT
knob
Rotate to adjust gain; press to turn the attenuator on/off.
DISTRESS key Press and hold down the key more than three seconds to transmit the
distress alert.
MENU key Open/close the menu.
CANCEL key •Cancel the DSC message in process.
•Silence audio alarm.
•Go to the operation for the cancel of the distress alert.
•Erase error message or pop-up message
•Return one layer in multiple level menu.
•Erase letters input.
TAB key •Go to the tab area.
•Switch the tab.
key Turn the main speaker on/off.
BRILL key Adjust brilliance.
OTHER DSC
MSG key
Compose DSC TX message except DISTRESS ALERT and DROBOSE
(Distress Relay On Behalf Of Someone Else).
DISTRESS MSG
key
Compose DSC TX message for DISTRESS ALERT.
DROBOSE MSG
key
Compose DSC TX message for DROBOSE (Distress Relay On Behalf Of
Someone Else). Press the DISTRESS MSG key and the OTHER DSC
MSG key simultaneously.

1. OPERATIONAL OVERVIEW
1-2
Control Function
SCAN key • Open the scan screen.
• Stop/start the scanning of DSC general frequencies, on the scan
screen.
2182 key Switch to the RT (radiotelephone) screen and set SSB: 2182.0 kHz
RT/CH key • Switch to the RT (radiotelephone) screen.
• Open the CH setting box on the RT screen.
0 to 9 keys Enter alphabet, number or symbol.
1, 4 and 7 keys Execute the operation assigned to the function key in the RT mode.
2/NB key Turn the noise blanker on/off in the RT mode.
3/SQ key Turn the squelch on/off in the RT mode.
5/NR key Reduce the noise in the RT mode (NR3 (High), NR2 (Middle),
NR1 (Low), Off).
8/NF key Turn the notch filter on/off in the RT mode.
0/TUNE key Tune antenna in radiotelephone operation.
key • Turn down the handset volume.
• Move the cursor when you set channel or RX frequency.
key • Turn up the handset volume.
• Move the cursor when you set channel or RX frequency.
ALARM lamp • Flash in red for distress and urgency messages.
• Flash in green for safety and routine messages, and when daily test is
completed.
OVEN lamp Light in green when the main switchboard is on.
1.2 How to Turn On/Off the Power
Rotate the VOLUME/PWR knob clockwise to turn on the power. The RT screen appears.
To turn off the power, rotate the VOLUME/PWR knob counterclockwise to the OFF position.
In the dual control unit system, the control unit connected to the CONTROLLER 1 port on
the transceiver unit has priority and it controls the power for both the No.1 and No. 2 control
units. The power switch of the No. 2 control unit powers on/off the No. 2 control unit only.
Note: Turn on power at switchboard more than five minutes before turning on this
equipment.

1. OPERATIONAL OVERVIEW
1-3
1.3 Radiotelephone (RT) Screen
Turn the power on, or press the RT/CH key to show the RT (radiotelephone) screen. This is
where you set up the transceiver unit, and communicate by voice or telex.
Function keys
Tab area: Icons
in progress
135°19 . 5900 ’ E
34°42
. 2800 ’ N
Radiotelephone (RT) screen
Indication Meaning
Main speaker on/off
CH Channel
TX TX frequency (TX: while transmitting)
RX RX frequency
SSB/TLX/AM/FAX Class of Emission
OFF/SLOW/FAST
(AGC)
Auto gain control (OFF: no adjustment, SLOW: low-speed,
FAST: high-speed)
HIGH/MID/LOW(1)/
LOW2
Output power (LOW2: FS-5075 only, minimum output power)
SIMP/S-DUP/DUP Communication mode (SIMP: simplex, S-DUP: semi-duplex,
DUP: full-duplex (only for FS-5075, option))
IA/IC/VC/RF/VS Transceiver unit status (IA: antenna current, IC: collector current,
VC: collector voltage, RF: RF output, VS: source voltage)
S S-meter, displays the strength of received signal.
NB Noise blanker (NB:On, No indication: Off)
NR3/NR2/NR1/OFF Noise reduction (NR3: High, NR2: Middle, NR1: Low, No indication: Off)
NF Notch filter (NF: On, No indication: Off)
SQ Squelch (SQ: On, No indication: Off)
MMSI Own ship’s ID (nine digits)
LAT, LON Own ship’s position (LAT: latitude, LON: longitude)
GNSS UTC (universal time coordinated)
ATT Attenuator (ATT: On, No indication: Off)
RF GAIN Adjusted value of gain

1. OPERATIONAL OVERVIEW
1-4
1.4 DSC Scan Screen
Press the SCAN key to show the DSC scan screen. This screen scans and receives the
distress and general frequencies.
Maximum six distress and
routine frequencies scanned.
WR2: The optional antenna for
the routine frequency
RX: Transceiver unit
135°19 . 5900 ’ E
34°42
. 2800 ’ N
1.5 How to Adjust LCD and Key Panel Brilliance
You can adjust the LCD and the key panel brilliance as follows:
1. Press the BRILL key to show the BRILL LEVEL SETUP window.
2. Press the 1key to switch the DAY/NIGHT mode. The setting range depends on the
selected mode.
3. To adjust the LCD brilliance, rotate the ENTER knob or press the BRILL key.
4. To adjust the KEY panel brilliance, press the or key.
5. Press the ENTER knob or CANCEL key to close the window.
Note: The window closes automatically when there is no operation for three seconds.
1.6 How to Turn On/Off the Main Speaker
You can turn the main speaker (other than DSC communication, error, and key beep) on/off.
1. Press the key to alternately disable or enable the main speaker.
Speaker ON Speaker OFF
2. When you set the speaker on, press the VOLUME/PWR knob to adjust volume of main
speaker (cw: volume up, ccw: volume down).

1. OPERATIONAL OVERVIEW
1-5
1.7 How to Set the Scan Frequencies
The DSC screen scans multiple general frequencies according to operator-set interval. For
how to set frequency to scan, see section 6.16.
Note that voice and telex communication are not available when scanning. (However, they
are available when the system is equipped with the optional watch receiver.)
2. Press the SCAN key to show the DSC scan screen. Scanning starts. When receiving
the appropriate frequency signal, the scanning stops, and the frequency is highlighted
and flashes.
3. Press the SCAN key again to stop the cursor for the general frequencies.
Note: You can not stop the scanning manually for the distress alert.
4. Rotate the ENTER knob to move the cursor to the desired general frequency which you
want to watch. You can scan only the frequency selected by cursor.
5. Press the SCAN key to restart the scanning.
1.8 How to Set the Auto Acknowledgement
Individual, PSTN (public switched telephone network), position, polling and test calls can be
acknowledged automatically or manually. This is set on the REPLY TYPE of ACK SETTING
in DSC menu. For details, see chapter 5.
Note: When own ship’s communication is high priority, set to manual acknowledgement.
The auto acknowledgement is not sent in the following cases:
• The RT or DSC procedures are in progress.
• ECC is NG (No Good).
• Channel is in use.
1.9 Controller Priority
The priority order for controls is high on the controller1. When you operate the controller1
during the operation of the controller2, the right to operate is shifted to the controller1. The
screen including the following content appears on the controller which does not have the
right to operate.
• The unit name in current use: Controller 1, Controller 2 or NBDP
• The ongoing operation: Composing messages, Transmitting, Communicating
The control unit which you operate has priority on operation in the following conditions:
• The handset goes OFF HOOK.
• Display the menus or setting boxes.
• Display each function screen (for example, Log).
• Press a key or rotate a knob. (The priority is lost after four seconds.)
• NBDP is communicating.

1. OPERATIONAL OVERVIEW
1-6
1.10 Intercom
The built-in intercom permits voice communications between two control units.
Calling up
You can call up with both on hook and off hook.
1. Press the MENU key.
2. Rotate the ENTER knob to select INTERCOM and then press the ENTER knob. The
called party’s control unit rings.
3. Close the menu. The pop-up for calling up appears. To cancel calling up, press the
CANCEL key.
4. When the called party picks up their handset, the pop-up for calling up disappears and
the INTERCOM CONNECTED screen appears. Start communications.
Note: You do not have to press the PTT switch during communications.
5. If needed, adjust the handset volume with or key.
6. Hang up the handset or press the CANCEL key to turn the intercom off. The last used
screen or the RT screen appears.
Picking up
1. The control unit rings, and the pop-up for calling up and the message, which suggests
you to pick up the handset, appear. To cancel reply, press the CANCEL key.
2. When you pick up the handset, the alarm stops. The pop-up for calling up disappears
and the INTERCOM CONNECTED screen appears. Start communications.
3. Hang up the handset or press the CANCEL key to turn the intercom off. The last used
screen or the RT screen appears.