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OWNER’S

HANDBOOK

DSC-900

UIC

DSC-900 1

TABLE OF CONTENTS

LICENSE INFORMATION...........................................................................................................3

FCCRadioLisence....................................................................................................................3

RadioCallSign...........................................................................................................................3

MMSINumberInformation...................................................................................................3

FCC NOTICE.....................................................................................................................................3

FCCDigitalDeviseCompliance............................................................................................3

FCC Radio Frequency Compliance RequirementsandWarnings...............................4

1. INTRODUCTION........................................................................................................................5

1.1EquipmentRequired..........................................................................................................5

1.2EquipmentSupplied..........................................................................................................5

1.3OptionalEquipment...........................................................................................................5

2. BASIC RADIO COMMUNICATION PROCEDURES...................................................6

2.1Using Channel16................................................................................................................6

2.2Calling AnotherVessel......................................................................................................7

2.3ProhibitedCommunication..............................................................................................7

3. INSTALLATION..........................................................................................................................8

3.1Transceiver............................................................................................................................8

3.2Antenna..................................................................................................................................8

3.3PowerConnection...............................................................................................................8

3.4Rear PanelCables................................................................................................................9

3.5OptionalFM-02 FlushMountKitInstallation............................................................10

4. OPERATION...............................................................................................................................11

4.1PowerOn/Off....................................................................................................................11

4.2Volume and Squelch........................................................................................................11

4.3Keypad.................................................................................................................................12

4.4ChannelSelection..............................................................................................................12

4.5ChannelBanks...................................................................................................................13

4.6Wx Channels......................................................................................................................13

4.7Wx Alert..............................................................................................................................13

4.8 Priority Channel(16/09)..................................................................................................14

4.9PTT........................................................................................................................................14

4.10H/L.....................................................................................................................................14

2 DSC-900

4.11ChannelScanning...........................................................................................................14

PriorityScan.................................................................................................................14

AllScan..........................................................................................................................15

MemoryScan...............................................................................................................15

4.12MMSI Set...........................................................................................................................17

4.13Directory............................................................................................................................18

5. DSC OPERATION.....................................................................................................................21

5.1DSC Monitor......................................................................................................................21

5.2GPSOperation...................................................................................................................21

5.3Sendinga DistressCall.....................................................................................................22

5.4Receivinga DistressCall..................................................................................................23

5.5Normal DSC Calls.............................................................................................................24

AllShip'sCall...................................................................................................................24

DirectoryCall...................................................................................................................25

NewCall...........................................................................................................................26

LastCall.............................................................................................................................28

PositionSend(P1)...........................................................................................................29

PositionRequest(P2)......................................................................................................29

5.6ReceivingDSCCalls..........................................................................................................31

AllShip'sCallReceived.................................................................................................31

IndividualCallReceived...............................................................................................32

GeographicCallReceived.............................................................................................32

PositionSendReceived..................................................................................................32

PositionRequestReceived............................................................................................33

6. SPECIFICATIONS.....................................................................................................................34

7. CHANNEL ASSIGNMENT....................................................................................................36

CERTIFICATE OF LIMITED WARRANTY..........................................................................39

DSC-900 3

LICENSEINFORMATION

FCC Radio License

In U.S. waters, vessels which are not required to carry radio equipment are not

required to have an FCC (Federal Communications Commission) ship station license

for a VHF marineradio.

However, any vessel required to carry a marine radio on an international voyage,

carrying a HF single side band radio telephone or marine satellite terminal must have

an FCC license.

License application forms for ship and land stations can be downloaded free from the

FCC web site at this address: www.fcc.gov/formpage.html. You may also order

copies of these forms bycalling the FCC Forms Distribution Centerat 1-800-418-3676.

Radio Call Sign

At this time, the FCC does not require recreational boaters to have a ship radio station

call sign. The U.S. Coast Guard recommends using the boat's registration number and

state.

MMSI Number Information

The BoatU.S. MMSI Program has been certified by both the Federal Communications

Commission (FCC) and the U.S. Coast Guard to assign MMSI numbers to vessels with

DSC capable radios. To obtain and register your free MMSI number, the Coast Guard

recommends logging onto http://www.boatus.com/mmsi/ and following the

instructions.

FCCNOTICE

FCC Digital Device Compliance

This device complies with Part 15 of the U.S. Federal Communications

Commission (FCC) Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and (2) this device must

accept any interference received, including interference that may cause

undesired operation.

Changes or modifications not expressly approved by the manufacturer could

void the user's authority to operate the equipment.

NOTE: This equipment has been tested and complies with Part 15 of the FCC

Rules. This specification provides reasonable protection against harmful

4 DSC-900

interference in a residential installation. This equipment generates, uses and

can radiate radio frequency energy and, if not installed and used in accordance

with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular

installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off

and on, the user is encouraged to try to correct the interference by one or more

of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment into an outlet on a circuit different from that to

which the receiver is connected.

•Consult your dealer or an experienced technician for help.

FCC Radio Frequency Compliance Requirements and Warnings

When operating your marine radio transceiver, you should know that the

antenna radiates radio frequency (RF) energy. This radio was designed to meet

the FCC’s rules and regulations for the maximum permissible exposure to

radio frequency energy. This design was tested and found to be compliant

with the strict requirements established by the FCC.

DO NOT operate the radio without a proper antenna attached, because this

may damage the radio and may also cause you to exceed FCC RF exposure

limits. Antenna types suited for this radio are described in the installation

section.

DO NOT transmit for more than 50% of the total radio use time. Transmitting

more than 50% of the time can cause FCC RF exposure compliance

requirements to be exceeded. The radio is transmitting when the “TX

indicator” is displayed on the screen. You can cause the radio to transmit by

pressing the "PTT" (Push To Talk) switch.

IMPORTANT: The antenna(s) used for this transmitter must be installed to

provide a separation distance of at least 91 cm (37 inches) from all persons

(including passengers). The antenna(s) must not exceed an antenna gain of 3

decibels (dB) and must not be co-located or operating in conjunction with any

other antenna or transmitter.

DSC-900 5

1.INTRODUCTION

Congratulations on your purchase of the DSC-900. It is an advanced marine VHF

communication transceiver offering Digital Selective Calling. It is designed for

operation in the marine VHF FM frequency band. The operating frequency range is

156.025to 163.275MHzwhich includesall USA,Int’l, Canada andWx channels.

The transceiver has Digital Selective Calling (DSC) capabilities. Distress, All Ship’s and

IndividualDSC call formatsare supported.

Other features include Position Send/Request, all channel scanning, priority channel

scanning, memory channel scanning, one button instance access to channel 16/09,

large selector knob and microphone with UP/DOWN keys.

1.1 Equipment Required

The minimum equipment required for two way voice and DSC VHF radio

communication with vessels and shore stations includes:

•VHF radio communication transmitter and receiver designed and approved for

marine VHF communication use.

•VHF antenna and connecting cable. Use a good quality unity gain antenna for

best range performance.

•Power source suitablefor the VHF transmitterand receiver.

•For Digital Selective Calling (DSC) VHF communication radios, connection to a

GPS receiver that provides latitude and longitude coordinates and UTC time for

distress messages.

1.2 Equipment Supplied

•DSC-900 MarineVHF Transceiver

•Microphone with UP/DOWN keys

•Mounting Bracket with knobs

•Microphone Hanger

•Power Cable with in-linefuse (6.3 Amp)

•Owner’s Handbook

1.3 Optional Equipment

•FM-02Flush Mount Kit

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2. BASIC RADIO COMMUNICATION PROCEDURES

Distress or emergency calls may be made either manually or automatically. Sending

distress calls automatically uses the Digital Selective Calling (DSC) functions of your

transceiver and requires as operating and properly connected navigationreceiver. The

following procedures are for sending voice distress messages manually. Sending an

automatic distress callis described in the DSCsection of this manual.

2.1 Using Channel 16

Channel 16 is the Calling and Distress channel. An emergency may be defined as a

situation that threatens human life or property. In such situations, make sure your

transceiver is turned On and set the channel selector to Channel 16. Then use the

following procedure to make a distress call. The total transmission should not exceed 1

minute.

1. Press the microphone Push To Talk button. Speak slowly and clearly into the

microphone: “Mayday, Mayday, Mayday, this is [your vessel’s name], [your

vessel’s name], [your vessel’s name]”.

2. Then repeat once: “Mayday,[your vessel’s name]”.

3. Continue by reporting your position in latitude and longitude or by reporting

your bearing (true or magnetic, specify which) and distance from a prominent or

well known landmark, geographic feature oraid to navigation.

4. Explain the nature of your emergency (fire, sinking, collision, grounding, health

condition, injury, etc.).

5. Report the kind of assistance yourequire (fire, medical aid,pumps, etc.).

6. State the number of people aboard and the conditionof any injured.

7. Estimate the seaworthiness and condition of your vessel.

8. Describe yourvessel: length, type, color and any distinguishing feature.

9. End the message by saying “Over”. Release the Push To Talk button and listen for

areply.

10. If there is no reply, repeat the above message procedure. If there is still no

response, try another channel.

DSC-900 7

2.2 Calling Another Vessel

Channel 16 may be used to establish initial contact with another vessel. However, its

most important use is for voice emergency messages. Channel 16 must be monitored

at all times except when engaged in actual communication on another channel.

Channel 16 is monitored by international search and rescue (SAR) authorities,

National Coast Guards and by other vessels. Use of Channel 16 for calling or hailing

must be limited to initial contact only. Calling should not exceed 30 seconds and may

berepeated 3 timesat 2minute intervals.

Prior to making contact with another vessel, determine which channel will be used for

continued communication after the initial contact. Monitor the desired channel for

traffic and, when clear, switch to Channel16 to make initial contact.

Listen for traffic on the Calling Channel (16). If clear, press the Push To Talk (PTT)

button on the microphone. Speak the name of the vessel you are calling followed by

“this is” and the name of your vessel and your call sign. Release the PTT and listen for

a reply. When the other vessel returns your call, acknowledge the call with “go to”, the

number of the new channel and “over”. Switch to the new channel and listenfor traffic.

If necessary, wait for traffic to clear, and then call the other vessel. As communication

proceeds, end each transmission with “over”. When communication with the other

vessel is completed, end the last transmission with your call sign and the word “out”.

It is not necessary to end each transmission with your call sign, just give your call sign

at the beginning andend of each contact.

Remember to switch to Channel 16 when not actively communicating on another

channel.

2.3 Prohibited Communication

The following communications are prohibited by regulations and violators are subject

to penalties.

•False distress or emergency messages(including false DSC distress).

•Messages to “any vessel” exceptin emergencies and radio tests.

•Messagesto or froma vessel on land.

•Transmissionwhile on land.

•Obscene,indecent, or profanelanguage.

8 DSC-900

3.INSTALLATION

3.1 Transceiver

Your DSC-900 transceiver is designed to withstand the rigors of the marine

environment. However, selecting a mounting location affording some protection from

the elements will prolong the life of connectors, controls and the liquid crystal display

(LCD).

Select a location within easy reach and view of the operator and away from your

vessel’s compass. Locate the microphone to avoid entanglement with steering or

engine controls, both when in use and whenstowed. Also, consider routing of antenna,

power and NMEA interfacecables. Mount the transceiver securely to asolid surface.

3.2 Antenna

Proper installation of a quality VHF antenna is very important to reliable radio

communication. A good quality unity gain antenna is recommended for maximum

range performance. In general, antennas should be located as high as practical and

separated as much as possible from other antennas and structures. The minimum

distance to other objects is 1 meter. Route the antenna cable away from other electronic

equipment and do not bundle the antenna or power cable with other wiring,

especially transducer cables for depth sounders and fish finders. For cables longer than

10 meters, RG-8/U coaxial cable must be used. Mount the antenna and install the

connector(s) in accordance with manufactures instructions. Connect the antenna cable

to the RF output connector on the rear panel of the transceiver.

3.3 Power Connection

CAUTION

Reverse polarity connections can damage your transceiver

The power cable for your transceiver must be connected to the ship’s main powerbuss.

Connect the Red wire to the positive (+) terminal and the Black wire to the negative (-)

terminal. Connect the barrel terminals on the power cable to the matching color wires

and terminals extending from the rear panel of the transceiver.

DSC-900 9

3.4 Rear Panel Cables

The white and black cables on the rear panel are provided for connecting an external

speaker. Use an 8 Ohm speaker rated for at least 3 Watts and suitable for the

environment at the chosen location.

Other cables are provided for connecting an operating GPS navigation receiver, in

order for the position reporting/transferring features of your transceiver to function.

Refer to your GPS navigation receiver manual for information about its NMEA

output/inputsettings andconnections.

Wire Color Description Connection

White External speaker (+) Connect to external 8 Ohm audio speaker

Black External speaker (-) Connect to external 8 Ohm audio speaker

Brown NMEA Rx (+) Connect to NMEATx (+) of GPS

Red NMEA Rx (-) Connect to Ground/NMEA Tx (-) ofGPS

Orange NMEA Tx (+) Connect to NMEARx (+) of GPS

Yellow Ground/NMEA Tx (-) Connect to Ground/NMEA Rx (-) ofGPS

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