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byUniden
LTD 950
VHF Marine Radio
.OPERATING GUIDE
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."-. ~..- - - - ~-- TABLE OF CONTENTS PRESIDENT LTD 950 1 Installation 2 Choosing A Location 2 EngineNoiseSuppression " 3 Antenna Considerations 3 Installing the 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
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I - - ~ =------ --=- -+- 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 changes in craftor geographic locatio
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--,,=== =< "= r INSTAllATION CAUTION: The LTD 950 will operate only with nominal 12 volt negative ground battery systems. It is important to carefully determine the most suitable location for your LTD 950 on your vessel. Electrical, mechanical, and environmental considerations must all be taken into account. You must select the optimum relationship among these considerations. Keep in mind the flexibility designed into the LTD 950 so that you can most conveniently use your radio. Featureswhich sh
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- I I -t- ENGINE NOISE SUPPRESSION Interference from the impulse noise generated by the electrical systems of engines is sometimes a problem with radios. The LTD 950 has been designed to be essentially impervious to ignition impulse noise and alternator noise. However, in some installations it may be necessary to take measures to further reduce the effect of noise interference. All DC battery wires, antenna lead, and accessory cables should be routed away from the engine and engine compartment,
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.--- CONTROLS AND INDICATORS NOTE: For details of use of these Controls, see the OPERATlON section. FRONT PANEL 10 11 CONTROLS 9 M: [ 1 8765432 1. VOl (On/OffNolume) -Turns the l TD 950 On or Off and varies the audio output. NOTE: Items 2 through 6 are Tri-Functionkeys. Refer to the "Tri-Function Keys" section for detailed descriptions. 2. HlD (Hold) DIM 3. 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 t
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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) - Eliminates the background noise when no signal is being received. 12. Press-To-Talk Switch - Press to transmit; release to receive. INOICA TORS 19
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- - --- 19. TX (Transmit) - LED lights when transmitting. 20. DUAL (Dual Watch) - Indicates Dual Watch Mode. 21. HI (High) - Indicates transmitted output is 25 Watts. 22. LO (Low) - Indicates transmitted output is 1 Watt. 23. WX (Weather) - Indicates Weather 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. 28. PA(PublicAddress) - Indicat
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~ TRI-FUNCTION KEYS NOTE: For details of use of these Keys, see the OPERATION section. VOl . . ~. FISH --- USCGMEMO WX C16 SCN H/l DIM HlD. . C @.~ ~T E§fP ~ k$JT ~ . 6 5 4 3 2 2. HLD (HOLD) - This key is used to 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.
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~ = ~ r 4. H/L (HI/LO)- This key is used to switch between HI (25 Watts) where allowed, or La (1 Watt) output power and in conjunction with the F/C and GRP keys to access the Public Address 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 is used to control scanning and in conjunction with the F/C and GRP keys to switch betw
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- ~'-'-- ,.----- * REAR PANEL CONNECTORS t ~~~~~~~~~~~~ 31 33 31. Remote Speaker Connector - An external 4 ohm, 4 Watt speaker may be connected to this jack. The connecting wire must have a miniature plug. 32. Antenna Connector - Connect the antenna here using a type PL259 connector. 33. DC Power and PA Speaker Output - The "Pigtail" cord and connector are power in and PA Speaker out. 34. Supplied Power Cord -Connect supplied power cord to the keyed connector. 34 PA Speaker Out (Using supplied p
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~ - OPERATION 1. Turn the unit On by rotating the VOl control clockwise. 2. Adjust the sa control counterclockwise until you hear background noise; then turn it clockwise until the noise just disappears. DUAL WATCH Dual Watch monitors Channel 16 for activity every two seconds while scanning or monitoring. To activate Dual Watch, Press FIC, then Press C16 while in any mode. The DUAL indicator will appear on the lCD Panel, indicating Dual Watch Mode. If a signal is received on Channel 16, the radi
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, TIMED SCAN (SEEK) Press SCN to start SEEK (Timed Scan). When SCN is pressed for the first time after the LTD 950 is turned on, scanning will be in the SEEK (Timed Scan) Mode, and SEEK and DUAL will display on the LCD Panel. Notice that Dual Watch is on automaticaly to cover CH 16 when SCN is pressed. If there is too much activity on CH 16, and you wish to exclude it from SEEK, Press F/C, then Press C16 to cancel Dual Watch. (DUAL is no longer displayed on the LCD Panel.) In SEEK, the radio sto
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'-~'=-=-" To stop scanning and remain on an active channel, Press HLD. If you r are in a group scan mode (FISH, , USCG, MEMO, or WX), Press HLD to step through the channels in that group one at a time. If you are not in a group scan mode, Press HLD to step through all channels one at a time. To cancel scanning: . Press HLD, or . Press the Press-To-Talk switch, or . Press C16, or . Press F/C twice,or . turn the Rotary Channel Selector. NOTE: DIM, HIL, FIC + C16 and FIC + SCN do not affect SCAN Mo
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TELEPHONE CHANNELS To select operation (communication and scanning) on Telephone Chan- nels, Press GRP, then Press SCN . --- will appear on the LCD Panel. USCG CHANNELS To select operation (communication and scanning) on USCG Channels, Press GRP, then Press H/L. USCG will appear on the LCD Panel. ENT (Entering channel numbers into Memory Scan) You can enter channels into Memory Scan for instant scanning at any time. To enter a channel number into Memory Scan, access the channel number you want t
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_hOh__- WEATHER ALERT The Weather Alert Mode can be activated to alert you of dangerous weather. When Weather Alert is turned on, and a warning signal is received, a siren will sound at full volume, regardless of the VOL setting. When the signal stops, you will hear the active weather channel broad- cast at normal volume. To activate the Weather Alert Mode: 1. Press GRP, the Press HLD to begin Weather Channel Scan. 2. When Weather Scanning stops on the active Weather Channel, Press HLD. 3. Press
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-- ---t- T f l( To activate the transmitter, Pressthe Press-To-Talk switch on micro- phone. The TX LED indicator will light, indicating a signal is being transmitted. Release the switch to receive. When transmitting, hold the microphone approximately two inches from your mouth and speak clearly in a normal voice. The microphone provided with your radio is a 500 ohm dynamic type. NOTE: You cannot transmit on WeatherChannels 0-9 or Channel 15. The Channel Number in the LCD Panel will blink to indi
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VHF FM MARINE RADIOTELEPHONE CHANNELS AND FUNCTIONS (U.S.A. CHANNELS) FREQUENCY (MHz) ICHANNEL TYPE SHIP SHIP PERMANENT DESIG TRAFFIC SHIP SHORE TO SHIP SCAN LIST TO SHORE - WXO 163.275 NOAA Weather Weather RX Only RX Only - WX1 162.550 NOAA Weather Weather RX Only RX Only - WX2 162.400 NOAA Weather Weather RX Only RX Only - WX3 162.475 NOAA Weather Weather RX Only RX Only WX4 - 162.425 Weather NOAA Weather RX Only RX Only WX5 - 162.450 NOAA Weather Weather RX Only RX Only - WX6 162.500 NOAA Wea
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_.~ r VHF FM MARINE RADIOTELEPHONE CHANNELS AND FUNCTIONS (INTERNATIONAL CHANNELS) FREQUENCY (MHz) CHANNEL TYPE SHIP SHIP PERMANENT TRAFFIC DESG TO SHIP SCAN LIST SHIP TO SHORE SHORE - WXO 163.275 NOAA Weather Weather RX Only RX Only - WX1 NOAA Weather Weather 162.550 RX Only RX Only - WX2 162.400 NOAA Weather Weather RX Only RX Only - WX3 162.475 NOAA Weather Weather RX Only RX Only - WX4 162.425 NOAA Weather Weather RX Only RX Only - WX5 162.450 NOAA Weather Weather RX Only RX Only - WX6 162.5
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SPECIFICATIONS GENERAL Channels : Transmit 55 Receive 80 Marine 10 Weather Controls : On-Off/Volume, Squelch Status Indicators : TX LED (transmit) DUAL, SEEK, SCAN, USA, INT'L, HI, LO, [f] , WX,--- , FISH, USCG, and MEMO on LCD Panel : LCD (Dual 7 segment) Channel Display Selector Switch . Rotary Channel Selector Buttons : HLD, DIM, H/L, SCN, C16, F/C, and GRP Connectors : Antenna, remote speaker and DC power Size : (2 1/5"H x 6 2/5"W x 8"L) : 2.4 Ibs Weight Supply Voltage : 13.8V DC negative gr
