OWNERS MANUAL
Contents
1. V 02 VHF submersible marine handheld transceiver ERS MANUAL HL MEM SCM VOX USA CAN INTL p GN wx sn On DUP Version A VersionB 1 Version 1 VersionD 1 Version E VersionF 1 CE COMPLIANCE STATEMENT amp OPERATORS LICENCE The HT640 transceiver displays CE on the serial number label indicating its compliance with the essential requirements of the EEC directive for Electromagnetic Compatibility A Restricted Radiotelephone Operators Permit is the licence most often acquired by radio operators of small watercraft when the radio is not required for safety purposes This permit must be posted aboard the craft or kept by the licensed operator Only a licensed operator may operate a marine transceiver Others may talk over a transceiver if the operator begins supervises and ends the transmission DECLARATION OF CONFORMITY We Entel UK Limited Of 4 Elstree Gate Elstree Way Borehamwood Herts WD6 1JD United Kingdom Declare under our sole responsibility that the product HT640 VHF Marine Submersible Transceiver Serial to which this declaration relates is in accordance with directive 95 5 EC and conforms to the following standards or other nominative documents EN 301 178 2 V 1 1 1 2000 08 EN60950 August 1992 A11 1997 EN 60945 1997 amp ETS 300 698 Ann2. 640 Trickle charger pod amp screws CWC640 230v wall charger CAT640 flexible antenna CBH640 Spring loaded belt clip gt Carry strap gt Owner s manual 1 3 OPTIONAL ACCESSORIES The HT640 is supported by a wide range of useful accessories For an up to date list visit our web site at www entel co uk CSA640E Single pod rapid charger 110 230v operation CSB640E pod rapid charger 110 230v operation CNB640E 17 4 1800mAh rechargeable lithium lon battery pack CMP1 640 Compact speaker microphone with earpiece jack CMP640 Submersible speaker microphone with earpiece jack heavy duty EA12 640 D shape earpiece mic with PTT EA15 640 Covert style ear microphone with transparent acoustic tube EA19 640 with short boom mic amp PTT MSP01 640 Crash helmet earpiece microphone with PTT CHP1 640 Light weight single earpiece headset with PTT vox CHP640HS Heavy duty single ear defender for hardhat with PTT vox CHP640HD Heavy duty double ear defender for hardhat with PTT vox CHP640D Heavy duty double ear defender with headband and PTT vox CXR5 640 Skull microphone CXR16 640 Throat microphone EHP640 Covert style earpiece CFC640 Soft leather pouch with carry strap Red yellow or blue CLC640 Heavy duty transparent case with belt loop amp carry strap CXW640 Antenna adaptor for external aerial connection CAT640 Flexible antenna CBH640 Spring loaded rear clip Accessories s
3. Applicable to version A model only To receive a weather channel press the WX key The transceiver enters into weather channel mode There are 10 weather channels Use the UP or DOWN buttons to select the desired weather channel To exit from the weather channels press the WX key The transceiver recalls the previous working channel 2 0 SCAN Select the desired channel to be scanned using the amp buttons Press the MEM button to store the channel into the transceiver s memory MEM is displayed on the LCD This channel is now memorised to be scanned To add further channels repeat steps 1 amp 2 To delete a channel from the transceiver s scan memory simply press MEM button again whilst the memorised channel is displayed MEM disappears 5 All channels programmed remain in the transceivers scan memory even if the power is switched off 6 Adjust the squelch control until the white noise is eliminated T To start scanning press the SCAN key The scan proceeds from the lowest to the highest programmed channel number and stops on channels when a transmission is received To stop the scan at any time press the SCAN key 2 1 EMERGENCY CHANNELS To select the emergency channel press the 16 9 button from any channel Channel 16 appears on the display To recall the previous channel used press the 16 9 button once again 2 2 CHANNEL 9 Channel
4. Indicates transmission in progress VOX Voice operated mode enabled SCAN SCAN mode in progress MEM Indicated channel is memorised for scanning SCM Scrambler mode enabled versions A amp B only LAMP The keypad is locked with the exception of the PTT H L and LAMP buttons BATTERY LIFE INDICATOR The lithium lon battery of your transceiver is continually monitored for your convenience and safety 1 6 RECEPTION 1 Turn the transceiver on by rotating the volume control in a clockwise direction A power on tone is generated after 1 second to indicate the transceiver has passed its self diagnostic test During standby the LED indicator will pulse amber every 3 seconds to further verify its circuitry is functioning correctly Select the desired audio level by further rotating the control clockwise After power on the transceiver will always default to the last channel selected 2 Turn the squelch control fully counter clockwise then rotate Clockwise until the white noise stops This condition is known as the squelch threshold If the control is turned clockwise past this point weak signals may not be received No noise or signal is heard until a signal is received that exceeds the squelch threshold 3 Select the desired channel using the UP DOWN buttons A full listing of channels can be found on page 22 24 Sometimes a slight adjustment of the squelch threshold is needed as some channels
5. 9 is used as a hailing channel for initial non emergency contact with other vessels Hold down the 16 9 key for 1 second to select channel 9 To recall the previous channel used press the 16 9 button twice 2 3 CHANNEL A B INSTANT ACCESS For your convenience two user assigned channels can be programmed for instant access If the A B key is pressed and no channel A or B has been assigned a short beep will be heard 2 3 1 PROGRAMMING A B INSTANT ACCESS BUTTONS 1 Hold down the A B key and turn on the transceiver 2 The letter A will appear on the display and dashes _ _ indicate that no channel has been designated channel A 3 Press the UP DOWN button until the desired channel number is displayed 4 With the desired channel number displayed press the MEM key once The A will stop flashing indicating that the displayed channel is now designated channel A 5 Press the A B button again The letter b will appear on the display Repeat steps 2 through to 4 6 Switch transceiver off and on to exit this mode and save changes If you wish to clear instant access channels follow step 1 then press the MEM key The will flash Now switch the transceiver off and on again Note Should you later wish to delete any stored channels simply press MEM key whilst in A B programming mode 2 4 OPERATION OF A B INSTANT ACCESS BUTTONS Pressing the A B button will toggle betwee
6. requirements in your area check with the dealer from whom you purchased your transceiver 20 3 2 TROUBLE SHOOTING TROUBLESHOOTING CHART SYMPTOM PROBABLE CAUSE REMEDY Transceiver not switching on Battery needs charging Battery is exhausted Charge the battery pack Replace the battery pack The scan key does not start the scan No channels memorised MEM Squelch is not adjusted Use the MEM key to enter desired channels into scan memory Adjust the squelch to threshold or to the point where the white noise just disappears Cannot change any function Key lock is switched on Turn key lock off LED on CCA640 amp CWC640 does not illuminate when charging Defective battery CCA640 or CWC640 Dirty terminal contact on battery or charger Contact your dealer Clean contacts with dry clean cloth No transmit or cannot select high power Some channels are low power only Battery pack exhausted Change to high power channel Charge replace the battery Transceiver transmits without pressing PTT button Buttons seem to work intermittently VOX has been enabled Hold MEM button for 2 secs use UP or DOWN button and select off to turn VOX off 3 3 GLOSSARY OF TERMS Canadian Channels Channels designated as defined and regulated by Industry Canada RIC Marine Communications amp Traffic Services Duplex Transmit and receive on d
7. L button Press this button for one second to toggle between high and low power 1 amp 5 watts LAMP KEY LOCK Momentarily pressing this button illuminates the LCD display Holding this button for over 1 second activates the key lock To deactivate press button again ANTENNA CONNECTOR Connects the supplied flexible antenna or an optional external aerial adaptor 3 BATTERY PACK Rechargeable lithium lon battery pack provides DC power source to the transceiver ACCESSORY CONNECTOR To connect any HT640 approved audio accessory LAMP KEY LOCK ACCESSORY CONNECTOR 42 ANTENNA CONNECTOR POWER SWITCH HIL J GPTT TI i W LILI mM SCAN wx UP DOWN 119 4 Figure 2 Controls and Connectors 1 5 INDICATORS HL MEM SCM VOX 5 1 11 Figure 3 LCD indications CHANNEL DISPLAY The operating channel H L H indicates high power 5 watts L indicates low power 1 wait USA CAN INTL Indicates the channel set for USA Canadian and International waters A Indicator A ship to ship channel in USA or Canadian mode whose counterpart in the International mode is a public correspondence marine operator channel WX NOAA weather channel USA amp Canadian waters only TX Indicator
8. S 157 000 Port Operation 20 X X D 157 000 161 600 Canadian Coast Guard Only Interational Port operation and shipment 21 X X 5 157 050 U S Government only Canadian Coast Guard 21 D 157 050 161 650 Port operation ship movement 22 X X S 157 100 US and Canadian Coast Guard Liaison and Maritime Safety Information Broadcasts announced on channel 16 22 D 157 100 161 700 Port operation ship movement 23A X S 157 150 U S Government only 23 X X D 157 150 161 750 Public Correspondence Marine Operator 24 X X X D 157 200 161 800 Public Correspondence Marine Operator 25 D 157 250 161 850 Public Correspondence Marine Operator 26 D 157 300 161 900 Public Correspondence Marine Operator 27 X X X D 157 350 161 950 Public Correspondence Marine Operator 28 X X X D 157 400 162 000 Public Correspondence Marine Operator VHF MARINE CHANNEL CHART CH U C I S D TX RX CHANNEL USE 60 X X D 156 025 160 625 Public Correspondence Marine Operator 60A X X S 160 075 U S Government only Canadian Coast Guard Pacific Coast Commercial Fishing East Coast 61 X D 156 075 160 675 Public Correspondence Marine Operator Port operation ship movement 62A X S 156 125 Pacific
9. TY m enn tiis 18 3 2 TROUBLE SHOOTING 20 3 3 GLOSSARY OF TERMS 21 3 4 CHANNEL nennen 22 INT USA AND CANADIAN 3 5 SPECIFICATION emm 25 General receive and transmit 3 5 1 PRIVATE CHANNELS tne tnn setis 26 3 6 NOTES 27 1 1 INTRODUCTION The Entel HT640 is a professional marine handheld transceiver that operates on the VHF marine band The HT640 has 58 marine international channels 10 weather and 36 dealer programmable private channels The 58 marine channels are switchable to comply with USA International or Canadian regulations This is done via the keypad It has an emergency channel 16 button which can be immediately selected from any channel by pressing the red 16 9 key Weather channels can also be accessed immediately by pressing the WX key The HT640 includes the following features Scan A B quick access channels voice scrambler battery life indicator vox voice activated transmit low battery indicator large LCD with back light except versions C amp D 1 2 PACKING LIST The supplied package gt HT640 Marine transceiver gt CNB640E 1800mAh rechargeable lithium lon battery pack 640 De charge cable with 12 cigarette lighter plug
10. coast Coast Guard East Coast Commercial fishing only 62 X D 156 125 160 725 Public Correspondence Marine Operator Port operation ship movement 63A X S 156 175 Port Operation and Commercial VTS in selected areas 63 D 156 175 160 775 Public Correspondence Marine Operator Port operation ship movement 64A X X 5 156 225 U S Government only Canadian Commercial Fishing 64 X D 156 225 160 825 Public Correspondence Marine Operator Port operation ship movement 65A X X S 156 275 Port Operations 65 X D 156 275 160 875 Public Correspondence Marine Operator Port operation ship movement 66A X X 5 156 325 Port Operations 66 D 156 325 160 925 Public Correspondence Marine Operator Port operation ship movement 67 X X X S 156 375 US Commercial Used for Bridge to bridge communications in lower Mississippi River Inter ship only Canada Commercial fishing S amp R 68 S 156 425 Non commercial Recreational 69 S 156 475 US Non commercial Recreational Canada Commercial fishing only International Port operations and Ship movement 70 X X X S 156 525 Digital selective calling voice communications not allowed 71 X X X 5 156 575 US Canada Non commercial Recreational International Port operations and Ship movement 72 X X X S 156 625 Non commercial Inter ship only 73 5 156 675 US Port Operations Canada Commercial fishing only fishing only In
11. ex B December 1996 following the provisions of the R amp TTE directive Wer gu M Austin Quality Manager ISO 9001 27th June 2003 REGISTERED FIRM TABLE OF CONTENTS 1 1 INTRODUCTION mmm 04 1 2 PACKING LIST emm 04 1 3 OPTIONAL ACCESSORIES 05 1 3 1 ATTACHING AUDIO ACCESSORIES 06 1 4 CONTROLS AND INDICATORS 06 1 5 INDICATORS m 09 1 6 RECEPTION moe sedi ine nti e ene 10 1 7 lt lt 11 1 8 INT USA amp CANADIAN MODES 11 1 9 NOAA WEATHER CHANNELS 7 7 7 7 7 7 iiini 12 12 2 1 EMERGENCY CHANNELS 13 22 CHANNEL eee ice 13 2 3 CHANNEL INSTANT ACCESS 13 2 3 1 PROGRAMMING INSTANT ACCESS BUTTONS 14 2 4 OPERATION OF INSTANT ACCESS BUTTONS 14 2 5 VOICE SCRAMBLER 7 7 meme 15 2 6 VOX voice operated transmit 7 7 7 7 7 7 15 2 7 SIMPLEX DUPEX CHANNEL USE 16 2 8 BATTERY CHARGING 16 2 8 1 OPTIONAL RAPID CHARGER 17 2 9 BATTERY REMOVAL INSTALLATION 7 7 17 3 0 BATTERY INDICATOR eene enne 18 3 1 BATTERY SAFE
12. have a higher noise level than others 4 When receiving a signal the LED indicator illuminates green A RX indication is also displayed on the LCD 1 7 TRANSMITTING 1 Perform steps 1 through 3 of RECEPTION 2 Before transmitting monitor the channel and make sure it is clear 3 For communications over short distances press the H L key and select low power 1 watt Transmitting on 1 watt prolongs battery life and should be selected whenever possible 4 When receiving a signal wait until the signal stops before transmitting The transceiver cannot transmit and receive simultaneously 5 Press the PTT push to talk switch to begin your transmission To confirm transmission in progress the LCD indicator illuminates TX and the LED illuminates RED 6 Holding the transceiver 1 inch from your mouth speak slowly and clearly into the microphone 7 When the transmission is finished release the PTT switch 1 8 INT USA amp CANADIAN MODES In compliance with worldwide license regulations the following version of HT640 are available Version A INT USA amp Canadian modes Version B C and D INT mode only 1 In the case of version A only to change the channel set of the transceiver hold down the WX key The mode changes from USA to Canadian to International 2 Refer to the marine channel charts in this booklet for allocated channels in each mode 1 9 NOAA WEATHER CHANNELS
13. hout you having to press the PTT button There is always a slight delay for the electronic switching and consideration will need to be given To get optimum performance from the VOX feature you should use a noise cancelling headset or earpiece microphone see accessory options 2 7 SIMPLEX DUPLEX CHANNELUSE Your transceiver has been factory programmed in accordance with FCC USA Industry Canada and International regulations The mode of operation cannot be altered from simplex to duplex or vice versa Simplex or duplex mode is automatically activated depending on the channel and the channel set and whether USA Canadian or International mode is selected Refer to the channel charts listed on pages 22 24 of this user manual If you have a licence to use a specific simplex or semi duplex channel contact your dealer who may be able to programme your channel using the transceiver s private channel memory 2 8 BATTERY CHARGING 1 Connect the CWC640 AC adapter to the CCA640 charger pod The LED status light will illuminate green indicating ready for charge 2 Turn the transceiver off 3 Insert the battery pack into the CCA640 pod either with or without the transceiver attached The LED status light changes from green to RED and trickle charge begins 4 A fully discharged battery pack will take approximately 6 hours to charge depending on the remaining power condition When charge is complete the LED status l
14. ifferent frequencies Encryption scrambled audio for extra privacy FM Frequency modulation International channels Channel designations as defined for use in international waters by the International Telecommunications Union ITU Marina channels Special channels reserved for marinas located in selected European countries These channels are pre programmed in the transceiver as P1 amp P2 Private channels Channels which are assigned by regulatory agencies governing VHF radio use for a specific region or country These channels are prefixed with a P and can only be programmed into the transceiver by authorised dealers PTT Press to talk transmit RX Receive Simplex Transmit and receive on the same frequency Squelch To suppress background noise TX Transmit Transceiver A device that can transmit and receive USA channels Channel designations as defined by the Federal Communications Commission FCC VOX Voice Operated Transmit VHF Very High Frequency 30MHz to 300 MHz 21 22 3 4 CHANNEL CHART INT USA AND CANADIAN VHF MARINE CHANNEL CHART C I S D TX RX CHANNEL USE 01A X S 156 050 Port Operation and Commercial VTS in selected areas 01 X X D 156 050 160 650 Public Correspondence Marine Operator 02 X X D 156 100 160 700 Public Correspondence Marine Operat
15. ight turns green Note The CWC640 AC adaptor can be replaced by the CMC640 12v charger cable Charge time remains at 6 hours Figure 4 CCA640 Charger pod 2 8 1 OPTIONAL RAPID CHARGER model CSA640E 1 Connect the CSA640E toa mains supply 110 to 230V When switching on the LED flashes orange briefly to confirm self diagnostic test complete 110 230VAC Figure 4 1 OPTIONAL 5 640 3 Insert the battery pack into Rapid charger 2 Turn the transceiver off the CSA640E charger either with or without the transceiver attached The LED will illuminate red to indicate rapid charge in progress 4 Charge time for a fully discharged battery pack will take up to 120 minutes On completion the LED turns green 2 9 BATTERY REMOVAL INSTALLATION 1 Turn the transceiver off 2 Using a coin rotate the battery screw anti clockwise 2 or 3 turns Ensure that you do not hold the battery pack when unscrewing the release screw 3 To attach the battery place it against the transceiver and rotate To remove rotate the screw anti clockwise the battery screw clockwise taking care not to over tighten Figure 5 Battery removal Installation 3 0 BATTERY INDICATOR For your safety and convenience your transceiver continually monitors the battery pack and gives an indication VNA on the LCD 3 Segments 12hours Figure 6 Battery Indicato
16. n A B and the previous selected working channel Channel A is represented by the A to the left of the channel number on the LCD and channel B is represented by b NOTE Do not confuse this A with the one that is sometimes displayed to the right hand side of the channel number in USA and Canadian modes 2 5 VOICE SCRAMBLER HT640 versions A amp B only Press the SCAN key and switch the transceiver on simultaneously SCM will be displayed on the LCD confirming that the voice scrambler of your HT640 is now activated Note The scrambler cannot be enabled on channel 16 amp 9 To exit scramble mode simply switch the radio off and on L egislation for the use of a scrambler encryption varies from country to country We recommend that you check with your dealer prior to using this feature 2 6 VOX voice operated transmit Press the MEM button and switch the transceiver on The VOX symbol and a 0 will flash 0 indicates VOX is switched off 1 is for low sensitivity 5 is for normal sensitivity and 9 is for high sensitivity Use the UP DOWN button to select the desired level press MEM to confirm the transceiver is now set to VOX To switch VOX off go back into VOX programming mode by holding the MEM key whilst switching on Press the UP DOWN button until the vox level is off and press MEM to confirm In VOX mode the transceiver will react to your voice and transmit automatically wit
17. na channel 2 known commonly as M2 161 425Mhz This channel is displayed as P1 and is located between channels 01 amp 88 It is only available with international INTL mode selected 3 6 NOTES Use this page to record important information such as the serial number of your HT640 and any private channels programmed by your dealer 27 GER AUT GBR IRL FRA NED BEL LUX ESP POR lt Intended Country of Use gt ITA GRE SWE DEN FIN NOR SUI C 08910 Registered Community Design Application 000044375 U S Design Patent Pending No 29 183 829 Copyright and Unregistered Design Right Entel UK 2003 All rights reserved Copyright Entel UK Ltd London
18. or 5 156 150 US Government only Coast Guard 03 D 156 150 160 750 Public Correspondence Marine Operator 04A 5 156 200 Pacific coast Coast Guard East Coast Commercial fishing 04 X D 156 200 160 800 Public Correspondence Marine Operator Port operation ship movement 05A X X S 156 250 Port operation VTS in Seattle 05 D 156 250 160 850 Public Correspondence Marine Operator Port operation ship movement 06 5 156 300 Inter ship Safety O7A X S 156 350 Commercial 07 X D 156 350 160 950 Public Correspondence Marine Operator Port operation ship movement 08 5 156 400 Commercial Inter ship only 09 5 156 450 Boater Calling channel Commercial amp Non commercial Recreational 10 5 156 500 Commercial 11 X X X S 156 550 Commercial VTS in selected areas 12 XIX X S 156 600 Port operation VTS in selected areas 13 X X X S 156 650 Inter ship Navigation Safety Bridge to bridge 14 5 156 700 Port operation VTS selected areas 15 5 156 750 Commercial non commercial ship movement 1W 16 S 156 800 International Distress Safety and Calling 17 XXI XIS 156 850 State Controlled 1W 18 X X S 156 900 Commercial 18 D 156 900 161 500 Port operation ship movement 19A X S 156 950 US Commercial 19A x S 156 950 Coast Guard 19 D 156 950 161 550 Port operation ship movement 20A X
19. ours High 17 hours Low Frequency stability 0 0005 Temperature range ee 20 C to 50 C DIMENSIONE 59 W mm 130 H mm 33 D mm Weight 296g 10 43 2 RF type approval EN 300 178 2 V1 1 1 2000 08 Rn eee ee aes EN 60950 August 1992 A11 1997 a EN 60945 1997 ATIS ETS 300 698 Annex December 1996 TRANSMITTER RF output power at 7 4V DC 5W 1W High Low Maximum frequency deviation lt 5 0khz Spurious emissions M 65dB Adjacent channel power 70 dB 26 RECEIVER Receive system Double conversion superheterodyne Intermediate frequency nimim 1st 21 7MHz 2nd 450khz Sensitivity 12dB SINAD 119dBm Adjacent channel selectivity 74dB Spurious response rejection eines 70dB Intermodulation rejection ratio 68dB eet 48dB Audio out power at 7 4V 500 lt 5 distortion distortion with an 82 load 3 5 1 PRIVATE CHANNELS The HT640 has the capacity for a further 36 private channels These channels are dealer programmable only Version A models only are pre programmed with mari
20. pondence Marine Operator 157 375 Public correspondence Marine Operator 157 375 161 975 Public correspondence Marine Operator 157 425 Commercial Inter ship Only 157 425 162 025 Public correspondence ship to coast 162 550 Weather receive only 162 400 Weather receive only 162 475 Weather receive only 162 425 Weather receive only 162 450 Weather receive only 162 500 162 525 Weather receive only 161 650 Weather receive only 161 775 Weather receive only O O O U O O U O CO UO O ojojoj ojoon X gt lt Xx x xx gt lt Xx gt lt Xx gt lt xx gt lt gt lt Xx X Xx x x xxx gt lt gt lt Xx 24 163 275 Weather receive only Weather receive only 3 5 SPECIFICATION General receive and transmit Performance specifications are nominal unless otherwise indicated and are subject to change without notice GENERAL Frequency Range TX RX 156 000 163 275MHz Type of emission 16KOF3E Number of channels 8 58 EXP 36 DC Power supply arresero 7 4V DC NTLB 155 Current drain Transmit 1 3A High 0 7A Low Receive 135 Standby 40mA Duty cycle based on 596 596 9096 16 h
21. r 2 Segments 1hour 1 Segment 20mins 3 1 BATTERY SAFETY The battery pack of your transceiver contains lithium lon cells This type of battery stores a charge powerful enough to be dangerous if misused or abused especially when removed from the transceiver Please observe the following precautions detailed on page 19 DO NOT SHORT BATTERY PACK TERMINALS Shorting the terminals that power the transceiver can cause sparks severe over heating burns and battery cell damage If the short is of sufficient duration it is possible to melt the battery components Do not place a loose battery pack on or near a metal surface or objects such as paper clips keys tools etc When the battery pack is installed on the transceiver the terminals that transfer current to the transceiver are not exposed The terminals that are exposed on the battery pack when it is mounted on the transceiver are charging terminals only and do not constitute a hazard DO NOT OVERCHARGE When using the CWC640 do not charge the transceiver for more than 8 hours Heat generated by overcharging can shorten battery life and cause other battery pack component failures DO NOT INCINERATE Do not dispose of your CNB640 battery in a fire or incinerator The heat of fire may cause battery cells to explode and or release dangerous gases DISPOSE OF BATTERY PACKS PROPERLY amp Lithium lon battery packs must be recycled or disposed of properly For
22. ternational Port operations and Ship movement 74 X X X S 156 725 US Port Operations Canada Commercial fishing only fishing only International Port operations and Ship movement 77 X X X S 156 875 Port Operations Inter ship only 78A X X S 156 925 Non commercial Recreational 78 X D 156 925 161 525 Public Correspondence Marine Operator Port operation ship movement 79 S 156 975 Commercial 79 X D 156 975 161 575 Port operation and Ship movement 80A X X 5 157 025 Commercial 80 D 157 025 161 625 Port operation ship movement 81 X xX S 157 075 U S Government only Environmental protection operations 81 X D 157 075 161 675 Port operation ship movement 82A S 157 125 U S Government only Canadian Coast Guard Only 82 X D 157 125 161 725 Public Correspondence Marine Operator Port operation ship movement 83A X X S 157 175 U S Government only Canadian Coast Guard Only 83 X D 157 175 161 775 Public Correspondence Marine Operator 84A X S 157 225 Public Correspondence Marine Operator 84 D 157 225 161 825 Public Correspondence Marine Operator 23 VHF MARINE CHANNEL CHART TX RX CHANNEL USE 157 275 Public correspondence Marine Operator 157 275 161 875 Public correspondence Marine Operator 157 325 Public correspondence Marine Operator 157 325 161 925 Public corres
23. uitable for vox operation have been marked vox 1 3 1 ATTACHING AUDIO ACCESSORIES Locate accessory connector cover marked ACC Lift cover and rotate screw the connector as shown in the diagram below Note The accessory socket is waterproof without the ACC cover in place However when not using an audio accessory we strongly advise keeping the ACC cover firmly pressed in its recess to prevent foreign objects from getting into the socket Figure 1 Attachment of accessory connector 1 4 CONTROLS AND INDICATORS POWER SWITCH VOLUME CONTROL Powers the transceiver on and off SQUELCH CONTROL To set the squelch rotate the control fully anti clock wise then rotate the control clockwise until the white noise stops If you occasionally get breakthrough of unwanted noise rotate the control a little further clockwise PUSH TALK SWITCH Hold down to transmit release to receive UP DOWN buttons Select the desired channel by pressing the UP DOWN buttons For fast channel selection hold down for more than 1 second 16 9 button A momentary press of this button recalls channel 16 from any location Holding this button for 1 second recalls channel 9 WX button Immediately recalls the weather channels SCAN button Starts scanning programmed channels MEM button Memorises a desired channel for scanning button Immediately recalls up to 2 user defined channels H
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