Uniden PRESIDENT LTD 950 Bedienungsanleitung

PK5~Dm1:

byUniden

LTD 950

VHF Marine Radio

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OPERATING GUIDE

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TABLE OF CONTENTS

PRESIDENT LTD 950 1

Installation 2

Choosing A Location 2

EngineNoiseSuppression "3

Antenna Considerations 3

Installingthe LTD 950 3

Controls And Indicators 4

Front Panel Controls 4

Front Panel Indicators 5

Tri-Function Keys 7

Rear Panel Connectors 9

Operation 10

Dual Watch 10

Manual Tuning 10

Instant Channel 16 Communications 10

Timed Scan (SEEK) 11

Normal Scan (SCAN) ;11

Weather Scan 12

US/International Channels 12

Fish Channels 12

Telephone Channels 13

USCG Channels 13

ENT (Entering channel numbers into Memory Scan) 13

Mem0ry Scan 13

Public Address 13

Weather Alert 14

Transmitting 14

Dimming the LCD Display Backlight andthe TX Indicator 15

Optional Accessories 15

Channels And Functions (Tables) 16

Specifications 18

Maritime Radio Services Operation 19

Care And Maintenance , 20

Se rvice.. .......................... .................. .......... ................... .....................................21

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PRESIDENT LTD 950

The PRESIDENT LTD 950 VHF marine radio transceiver has been

designed to give you a rugged, reliable instrument that will provide you

with years of trouble-free service.

Withproper care and maintenance, your PRESIDENT LTD 950 will

outlast your present vessel and serve you well on-board several more.

The fullfeatures and flexibilitydesigned intothis qualitytransceiver will

prevent it from becoming obsoleteregardlessof changesin craftor

geographic locations.

The technical excellence of the PRESIDENT LTD950 is demonstrated

bythe multiplicityof uses forwhich ithas been found acceptable by the

U.S. Federal Communications Commission. The PRESIDENT LTD 950

is acceptable for compulsory use on "party boats," for use on vessels

subject to the Great Lakes Radio Agreement or bridge-to-bridge require-

ments, for general pleasure and commercial vessels, and certain land

stations inmarine service.

ThePRESIDENTLTD950 isofallsolidstatedesignwithconservatively

rated rugged components and materialscompatible withthe marine

environment. The transceiver utilizesa number of gaskets, sealing rings,

waterproof membranes, and other sealants to effect a splashproof

housing for protection ofthe electronics. The unit may be mounted in

any number ofconvenient locations on your vessel by utilizingthe

universal mountingbracket.

You are encouraged to thoroughlyread the rest ofthis Operating Guide

to acquaint yourselfwiththe characteristics and operation of yourtrans-

ceiver so that you can contributeto the longevityof your investment.

Se sure to complete the Product RegistrationCard at the back ofthis

Guide, cut itout and mail it. You also need to complete the enclosed

Warranty Registration Card and mail it.

Keep your receipt as proof-of-purchase in case warranty service is

required.

PRESIDENT is atrademark of UnidenAmerica Corporation.

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INSTAllATION

CAUTION: TheLTD 950 willoperate only withnominal 12 voltnegative

ground battery systems.

It is importantto carefully determine the most suitable locationfor your

LTD 950 on your vessel. Electrical,mechanical, and environmental

considerations must all be taken into account. You must selectthe

optimum relationship among these considerations.

Keep in mind the flexibility designed into the LTD 950 sothat you can

most conveniently use your radio. Featureswhich should be considered

are:

1. The universal mounting bracket may be installedon either the top or

bottom of a shelf, on a bulkhead, or for overhead mounting.

2. The REMOTE speaker jack can be usedwith an auxiliary speaker.

3. All connections are "plug-in"type for easy removal of the radio.

4. Front fire internal speaker allows convenient in-dash mounting using

the optional bracket.

CHOOSING A LOCATION

Some important factors to consider in selectingthe locationfor your

LTD 950:

1. Select a locationthat is free from spray and splash.

2. Keepthe battery leads as short as possible. Direct connection to the

battery is mostdesirable. If direct connection cannot be made with

the supplied power lead, any extension should be madewith #10

AWG wire. Long extensions should use larger gauge wire.

3. Keep the antenna lead as short as possible. Long antenna leadscan

cause substantial lossof performance for both receiving and transmit-

ting.

4. Locate your antenna as high as possible and clear from metal objects.

The reliable range of coverage isa direct function of antenna height.

5. Select a locationthat does not allowthe radioto be subjected to direct

sunlight (including that coming through windows).

6. Select a locationthat allowsfree air flow around the heat sink on the

rear of the radio.

7. Select a location well away from the ship's compass. Auxiliary

speakers also should be located awayfrom the compass.

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ENGINE NOISE SUPPRESSION

Interferencefrom the impulse noisegenerated by the electrical systems

of engines issometimes a problem with radios. The LTD 950 has been

designed to be essentially imperviousto ignition impulse noise and

alternator noise. However, in some installations it may be necessaryto

take measuresto further reducethe effect of noise interference. All DC

batterywires, antenna lead, and accessorycables should be routed

awayfrom the engine and engine compartment, andfrom power cabling

carrying particularly high currents.

In severe cases of impulse noise interference, it may be necessaryto

install a noise suppression kit. Contactyour PRESIDENT Dealerfor

more information.

ANTENNA CONSIDERATIONS

A variety of antennas is available from a number of quality suppliers. Itis

recommended you draw uponthe advice of your PRESIDENT Dealer in

determining a suitable antenna for your vessel and range requirements.

Ingeneral, communication range is increasedby using a high-gain

antenna placed as high as possible above thewater line. Antennas

should be located away from metal objects. Antennas should not have

excessively longcoaxial feed cables.

INSTAlliNG THE lTD 950

After you have carefully considered the various factors affecting your

choice of location, position the radio (withthe bracket, microphone,

power cord, antenna and any auxiliary cables installed) into the selected

location to assure there is no interferencewith the surrounding items.

Markthe location of the mountingbracket. Removethe bracket from the

radio and use it as a template to mark the holesto be drilled for the

mounting hardware. Drill the holesand mount the bracket with hardware

compatible with the materialof the mounting surface.

Connect the redwire of the supplied power cord to the positive (+)

battery supply. Connect the black wire of the power cord to ground. The

power cord is equipped with a fuse to protect the radio. Use only a Six

(6) AMPERE fast blow fuse for replacement. Connectthe power cord to

the keyed connector on the power "pigtail" (Seepage 6).

Connect the antenna and all other auxiliary cables.

Install the radio in the mounting bracket and connect all cables and

accessoriesto the appropriate jacks and connectors.

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CONTROLS AND INDICATORS

NOTE: For details of use of these Controls,see the OPERATlON

section.

FRONT PANEL

CONTROLS 910 11

M:[

8765432 1

1. VOl (On/OffNolume) -Turns the l TD 950 On or Off and varies

the audio output.

NOTE: Items2through 6are Tri-Functionkeys. Refer to the

"Tri-FunctionKeys" section for detailed descriptions.

2. HlD (Hold)

DIM

4. H/l (High/low)

5. SCN (Scan)

6. C16 (Channel 16)

7. F/C (Function/Clear) -Press once for DUAL, US/INT, PA, ENT,

and ALERT. Press twice to clear function.

8. GRP (Group) -Accesses FISH, """, USCG, MEMOand WX

Scan Modes.

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9. RotaryChannel Selector - This control is used to manually select

the desired Communication Channe\(01 -28 and 60-88), or

Weather Channel (0 -9).

10. LCD Panel - Indicatorsfor DUAL, SEEK, SCAN, USA, INT'L, HI,

LO, [£], WX, , FISH, USCG, MEMO and Channel Number.

NOTE: Refer to "INOICATORS"for detailed indicator descrip-

tions.

11. sa (Squelch) - Eliminatesthe background noisewhen no signal is

being received.

12. Press-To-Talk Switch - Press to transmit; releaseto receive.

INOICA TORS 19 20 2122

!TX

-26

13. 15 14 13 27

LCDNumerical Channel Display - Indicates Channel Number in

use. Weather Channels aredisplayed as single digits. (Example:

0, 1, 2,3, etc.) Communication Channels aredisplayed as two

digits (Example: 01,02,03, etc.).

NOTE: LCO Status Indicators appear when status isselected by

pressing the correspondingbutton.

14. IT] (Function)- Indicates FIC Mode has been activated. When

pressed,[!] remains active for eight (8) seconds.

15. INT'L (International) - Indicates International Channel Mode.

16. USA - Indicates US Channel Mode.

17. SCAN - Indicates Normal Scan Mode.

18. SEEK - Indicates Timed Scan Modeon Communication Channels.

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19. TX (Transmit) - LED lights when transmitting.

20. DUAL (Dual Watch) - Indicates Dual Watch Mode.

21. HI (High) - Indicatestransmitted output is 25 Watts.

22. LO (Low) - Indicatestransmitted output is 1 Watt.

23. WX (Weather) - IndicatesWeather Channels.

24. (Telephone) - Indicates Telephone Channels.

25. FISH - Indicates Fish Channels.

26. USCG (United States Coast Guard) - Indicates USCG Channels.

27. MEMO (Memory Scan) -Indicates Memory Scan Mode.

30. NO (No channel(s) stored) -Indicates no channels have been

stored in Memory Scan Mode.

. TX HI

SCAN

USA OuD

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28. PA(PublicAddress)- IndicatesPublicAddressMode.

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29. AL(Alert) - IndicatesWeatherAlertMode.

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TRI-FUNCTION KEYS

NOTE: For details of use of theseKeys, see the OPERATION section.

VOl

. .

~. FISH --- USCGMEMO WX C

C16 SCN H/l DIM HlD. .

@.~ ~T E§fP~ k$JT~ .

65432

2. HLD (HOLD) - This key is usedto stop scanning and in conjunction

with the F/C and GRP keys to access Weather Channel and Weather

Alert Modes.

.Press HLD to stop scanning on a desired channel.

.Press F/C, then Press HLD to activate the Weather Alert

function.

.Press GRP, then Press HLD to scan the Weather Channels.

3. DIM - This key is usedto adjustthe brightness of the LCD Panel and

the TX LED indicator and in conjunctionwith the F/C and GRP keys to

accessthe ENT and MEMO Modes.

.Press DIM to adjust the brightness of the LCD Panel back-

light and the brightness of the TX LED indicator. The LCD

Panel backlight andTX LED indicator are at their brightest

levelwhen the LTD 950 is shipped from the factory. When the

LTD 950 is turned Off, the current DIM setting is retained.

(Example: If the radio is setto dim brightnesswhen turned

off, itwill be setto dim brightnesswhen turned on again.)

.Press F/C, then Press DIM to access the ENT Mode.

.Press GRP, then Press DIM to scan channels stored in

memory.

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4. H/L(HI/LO)-This key is usedto switch between HI (25 Watts) where

allowed, or La (1 Watt) output power and in conjunctionwith the F/C

and GRP keysto accessthe PublicAddress and USCG Channel

Modes.

.Press H/L to switch between HI and La output power.

.Press F/C, then Press H/L to access the Public Address

Mode.

.Press GRP, then Press H/L to access USCG Channel Mode.

5. SCN (Scan) - This key isused to control scanning and in conjunction

with the F/C and GRP keys to switch between US and International

and Telephone Channel Modes.

. PressSCN to scan Communication Channels.

.Press F/C, then Press SCN to switch between US and Interna-

tional Channel Modes.

.Press GRP, then Press SCN to access Telephone Channel

Mode.

6. C16 (Channel 16) - This key is used to access instant Channel 16

communications and in conjunction with the F/C and GRP keysto

access Dual Watch and Fish Channel Modes.

.Press C16 to access instant Channel 16 communications.

.Press FIC, then Press C16 to turn Dual Watch On/Off.

.Press GRP, then Press C16 to access Fish Channel Mode.

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