NorthStar EXPLORER 725EU Operation And Installation Manual Download

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www.northstarnav.com

Explorer 721US / 721EU
Explorer 725US / 725EU

VHF Marine Radio

Operation and Installation Manual

Summary of Contents for EXPLORER 725EU

Page 1: ...www northstarnav com Explorer 721US 721EU Explorer 725US 725EU VHF Marine Radio Operation and Installation Manual ...

Page 2: ...ial personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury CAUTION used without the safety alert symbol indicates a poten...

Page 3: ...ntrast CONTRAST 16 2 6 GPS Data and Time GPS DATA 17 2 7 GPS Simulator GPS SIM 20 2 8 Reset to Factory Defaults RESET 20 2 9 Subscribe or Un Subscribe the 705 handset HS SETTING 21 Section3 RadioSetupMenu RADIOSETUP 22 3 1 The Radio Setup Menu Options RADIO SETUP 22 3 2 Select the Channel Bank UIC USonly 22 3 3 Change Channel Names CH NAME 23 3 4 Ring and Beep Volume RING VOLUME and KEY BEEP 23 3 ...

Page 4: ... 9 Track Your Buddy TRACK BUDDY 36 5 10 Receive an All Ships Call RCV ALL SHIP 38 5 11 Receive an Individual Call RCV INDIV 38 5 12 Receive a Group Call RCV GROUP 39 5 13 Receive a Geographic Call RCV GEOGRAPH 39 5 14 Receive a Polled Position Call RCV POSITION 39 Section6 DistressCalls 40 6 1 Send a Distress Call 40 6 2 Receive a Distress Acknowledgement DISTRESS ACK 40 6 3 Receive a Distress Cal...

Page 5: ...ce This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment Thisdevice santennamustbeinstalledinaccordancewithprovidedinstructions anditmustbeoperated with minimum 96 cm spacing between the antennas and all person s body excluding extremities of hands wrist and feet during operation Further this transmitter must not be co located or operated in conjuncti...

Page 6: ...matic position and time update when connected to a GPS receiver DSC Digital Select Calling capability that meets SC101 standards 721 725US only DSC Digital Select Calling capability that meets EC Class D standards 721 725EU only ATIS facility for inland waterways 721 725EU only In addition the 721 725 US EU models also provide Prominent channel display and rotary channel selector knob with PRESS T...

Page 7: ... equivalent to an ESC function on a PC 5 6 1 4HowtoEnterorChangeAlphanumericData If your radio doesn t have an optional alphanumeric microphone use the CH key on the microphone to enter alphanumeric data as follows Press CH to count through numbers or hold down to scroll rapidly to the desired number Press CH to step through the alphabet or hold down to scroll rapidly to the desired character If y...

Page 8: ... channel is selected D Duplex operation Otherwise blank for Simplex operation LOCAL Local calling is selected Otherwise blank for distance calling DSC DSC capability is available Indicates an incoming DSC call or blinks to notify you of any unread Call Log messages Low Battery warning activates at 10 5 V 88 Channel selected USA INT CAN Selected channel bank for VHF radio operations and regulations...

Page 9: ... and stored barometric pressure data The icons are indicative only and are more accurate close to land rather than in open sea Digital Readout of the current barometric pressure in mb or in Hg or the current temperature in ºC or ºF depending upon your selection BaroGraph A histogram of barometric pressure readings over the past 24 hours The high resolution histogram centres automatically if the ra...

Page 10: ...ower Turn clockwise to power on Continue to turn until a comfortable volume is reached VOL PWR will also adjust the settings of an external speaker if con nected SQL Squelch or Threshold Level Sets the threshold level for the minimum receiver signal Turn fully counterclockwise until random noise is heard then turn slowly clockwise until the random noise disappears Make another 1 4 turn clockwise f...

Page 11: ...han 5 seconds the scan restarts Press ENT or push the rotary knob to temporarily skip over lock out an always busy channel when in ALL SCAN mode and resume the scan An X is shown on the LCD to designate a skipped channel It s not possible to skip over the priority channel Press SCAN to stop at the current channel CALL MENU Radio Menu DSC Set up Menu Radio Set up Menu and DSC CALL Menu Hold down to...

Page 12: ...ansmission setting is incorrect Some channels allow only low power transmissions initially but can be changed to high power by holding down H L and PTT at the same time See Appendix C for a complete listing of channel charts CH Channel Select Press CH or CH to step through the available channels one at a time or hold down to scroll rapidly through all the available channels The current channel is ...

Page 13: ...trast level See Section 2 5 Set position UTC manually See Section 2 6 Set local time and time format See Section 2 6 MANUAL SETTING USER MMSI GROUP SETUP INDIV REPLY US only DSC FUNC ATIS MMSI EU only ATIS FUNC EU only LL REPLY LL RING DSC SETUP Menu See Section 4 Show weather SNR or Happy Fish information on the handset See Section 2 2 UIC US only CH NAME RING VOLUME KEY BEEP INT SPEAKER WATCH MO...

Page 14: ...rs 1 Hold down CALL MENU to display the radio menu 2 The cursor is at INFO DATA Press ENT then select INFO ON to display the information on the handset LCD instead of the time and GPS position 3 78 4 deg F is displayed alternating with SNR bars 4 Happy Fish symbol replaces TEMP SNR if triggered after which it times out Information regarding Barometer Weather and Happy Fish operation For these func...

Page 15: ...p of your buddy list NOTE When the BUDDY LIST is full 20 entries you can make a new entry and the buddy at the end of the list is automatically erased 2 3 2EditanEntry 1 Select BUDDY LIST Press ENT or push the rotary knob to display the list of entries 2 Scroll down if required to the incorrect entry and press ENT 3 Select EDIT The cursor is at the first character of the name 4 Edit the buddy name...

Page 16: ...T 2 Press ENT or push the rotary knob to activate the DIST setting This disables local sensitivity and the menu is displayed again 2 4 2SetLocalSensitivity 1 Select LOCAL DIST then scroll to LOCAL 2 Press ENT or push the rotary knob to activate the LOCAL setting This disables distance sensitivity and the menu is displayed again LOCAL is displayed on the LCD in reverse video as a reminder that loca...

Page 17: ...receiver is disconnected or absent you can specify the vessel position and the local time manually using the GPS DATA option This information is important because it will be used if you transmit a DSC distress call 2 6 1ManuallyEnterPositionandUTCTime MANUAL NOTE This function is available only when an operational GPS receiver is NOT connected 1 Select GPS DATA then MANUAL 2 Enter the latitude the...

Page 18: ...aps Compiled by HM Nautical Almanac Office V X K L P Q Q R V U T S R Q P T S A A Z B C Z A B B B C S S S R H I K K M M H H H I K F G E D E C C D G H E F H I G C D D E K L M Z Z P N 0 30 E 60 E 90 E 120 E 150 E 30 W 60 W 90 W 120 W 150 W 180 180 M N N O O Z Z Z C D D E F E E F K L L L M M Q O Q A S U W V A Y M L M Y P K H M X X W W X M W M M M M L F M Z M K I D F G I I I K L L P Z International Dat...

Page 19: ...set ON course and speed data are NOT displayed on the LCD see section 2 6 6 2 6 5PositionDisplayOptions LLdisplay If you ve entered the vessel position manually as described in the previous section the vessel position is shown ALWAYS with the suffix M However if the time is being updated through a GPS navigation receiver you can switch the vessel position display ON or OFF as follows 1 Select GPS ...

Page 20: ...n select ON or OFF as desired Whenever the GPS Simulator is turned ON simulated Speed Over Ground SOG Course Over Ground COG and LL position appear on the screen This data is updated automatically during the simulation IMPORTANT It s not possible to send a DSC transmission when you re in GPS Simulator mode 2 8ResettoFactoryDefaults RESET Use RESET to return every setting to the factory defaults EX...

Page 21: ...SUBSCRIBING on its LCD to indicate it is waiting for response from the base unit Note Your handset must be within operational range of the base unit 4 After successful subscription a bi tone will be emitted from the handset then display CONNECTING PLEASE WAIT on the LCD The 705 will then operate normally with the base unit 5 Up to 2 handsets can be subscribed to one base unit Before you subscribe ...

Page 22: ...to the menu RADIO SETUP UIC CH NAME RING VOLUME UIC USA INT L CANADA Edit or delete channel names See Section 3 3 Selects WX Alert scanning mode ON on or OFF off US only See section 3 7 Selects Dual or Tri watch scanning US only See section 3 6 Turn the radio s internal speakers ON or OFF See section 3 5 Select NMEA protocol for communications between the VHF radio and any other instruments 721 72...

Page 23: ... rotary knob to confirm the new channel name tag or the deletion then press ESC to return to the menu 3 4RingandBeepVolume RINGVOLUMEandKEYBEEP Set the volume level of the incoming signal beeps RING VOLUME and or the error and warning beeps KEY BEEP as follows 1 Select RADIO SETUP then RING VOLUME or KEY BEEP as appropriate 2 Select a HIGH or LOW volume You can turn the beeps off completely by sel...

Page 24: ...l will not be watched during scanning 3 When a weather alert is broadcast the alarm will sound Press any key to hear the weather alert voice message 3 8NMEAorNAVBUSprotocol COMPORT 721 725only You can add the radio to a group of instruments using NMEA or NAVBUS protocol NAVBUS is automatically activated when present so that data such as barometric pressure and history temperature DSC polling posit...

Page 25: ...o the menu 3 8 4Usethe721 725 asbarometricpressureandtemperaturedatasource BARO TEMP RADIO SETUP WATCH MODE WX ALERT COM PORT BARO TEMP ON OFF COM PORT NMEA GPS SOURCE BARO TEMP 1 Select RADIO SETUP then COM PORT 2 Select BARO TEMP 3 The cursor is at ON Select ON to have the radio provide the barometric and temperature data to other instruments connected Select OFF to have another instrument to ac...

Page 26: ...LERT COM PORT BARO SENSOR BARO UNIT MILLIBARS INCHES HG BARO SENSOR BARO UNITS BARO DISPLY CAL 1 Select RADIO SETUP then BARO SENSOR 2 The cursor is at BARO UNITS Press ENT or press the rotary knob 3 The cursor is at MILLIBARS Press ENT or press the rotary knob to show barometric pressure in MILLIBARS or select INCHES HG to show barometric pressure in inches of mercury 3 9 2SwitchtheBarometricDisp...

Page 27: ...2 The cursor is at UNITS Press ENT or press the rotary knob 3 The cursor is at ºC Press ENT or press the rotary knob to display the temperature in ºC Celsius or select ºF to show the temperature in Fahrenheit 3 10 2CalibratetheTemperatureReading CAL The temperature sensor works best when calibrated to local conditions RADIO SETUP COM PORT BARO SENSOR TEMPERATURE CAL 00 0 F TEMPERATURE UNITS CAL 1 ...

Page 28: ... Global Maritime Distress and Safety System Currently you are required to monitor Distress Channel 16 but DSC will eventually replace listening watches on distress frequencies and will be used to broadcast routine and urgent maritime safety information DSC enables you to send and receive calls from any vessel or coast station that is equipped with DSC func tionality and within geographic range Cal...

Page 29: ...MMSI 1 Select DSC SETUP then GROUP SETUP The existing group names are displayed Select the group name that you want to edit 2 The cursor is at EDIT Press ENT or push the rotary knob to show the group name details The cursor is at the first character of the group name 3 Edit the new name or to edit only the MMSI press ENT or push the rotary knob repeatedly until the cursor moves to the MMSI line 4 ...

Page 30: ...17 71 72 74 and 77 4 6 1EnterorEditYourATISMMSI To enter or edit your ATIS MMSI 1 Select DSC SETUP then ATIS MMSI 2 If this is the FIRSTTIME that you are entering your ATIS MMSI a dashed line appears Enter your ATIS MMSI along the dashed line An ATIS MMSI always starts with the number 9 Press ENT or push the rotary knob to confirm each correct entry and to move to the next digit If you make an err...

Page 31: ...When you enable one the other will turn OFF If DSC and ATIS are both OFF you must turn DSC ON for normal DSC operation The annunciator on the LCD shows you the current mode if the DSC annunciator is shown DSC is operational if the ATIS annunciator is shown ATIS is operational 4 8ResponseTypetoLLPollingCalls LLREPLY You can set up the radio to respond to an LL polling request in one of three ways M...

Page 32: ...owing options are available through CALL key WARNING A valid USER MMSI must be entered into this radio before these DSC functions can be used See Appendix E Enter Your USER MMSI USER MMSI INDIVIDUAL LAST CALL GROUP ALL SHIPS CALL LOG DIST LOG LL REQUEST TRACK BUDDY Make a individual call or acknowledgement to a new caller or a buddy See Section 5 2 1 5 2 2 and 5 2 3 Make a call to one of your thre...

Page 33: ...all a person who s not in your buddy list otherwise select the name of your buddy If you selected MANUAL NEW enter the user MMSI and then press ENT or push the rotary knob 4 Select the working channel and press ENT or press the rotary knob NOTE If you re making a distress call the radio goes to CH16 automatically Duplex channels can t usually be called and are automatically eliminated from the sug...

Page 34: ...ary knob to display the contact details of the most recent incoming call 2 Select the working channel Duplex channels can t usually be called and are automatically eliminated from the suggested call list If the call is to a Coast Station the radio will recognize this and select the correct channel 3 The radio summarizes the call details and asks for confirmation to send the call SEND Press ENT or ...

Page 35: ...CALL LOG The radio displays the contact details for the most recent incoming call as the first entry 01 in the call log 2 Select the desired contact details In this example the contact details for the 11th most recent call are displayed To save this contact in your buddy list select SAVE MMSI and press ENT or push the rotary knob Enter a name for this contact The logged MMSI is automatically displ...

Page 36: ...LL MENU to enter the DSC CALL menu then select LL REQUEST 2 Select the buddy whose LL position you want to request then press ENT or push the rotary knob to send the request 3 The working channel name is displayed while the radio waits for an acknowledgement from your buddy Continue as explained in Section 5 3 1 If there s no reply after 1 minute the radio asks if you want to retry Continue as exp...

Page 37: ...RACK BUDDY 2 Select INTERVAL then select the desired time interval Press ENT or push the rotary knob to confirm 5 9 3Starttracking DSC CALL DIST LOG LL REQUEST TRACK BUDDY TRACK BUDDY START TRACK SET BUDDY TRACKLIST START TRACK YES NO START TRACK BUDDY1 OFF BUDDY2 ON BUDDY3 OFF 1 Press CALL MENU to enter the DSC CALL menu then select TRACK BUDDY 2 Select STARTTRACK then selectYES The STARTTRACK di...

Page 38: ...RGENCY FROM 123456789 When you receive notification of an ALL SHIP call press any key to cancel the alert Press ENT to switch to the designated working channel press ESC to return to original CH The priority level and the user MMSI are displayed on the LCD If the radio recognises the user MMSI as one of your buddies the buddy s name is displayed in place of the user MMSI No acknowledgement is requ...

Page 39: ...all data is stored in the Call Log see Section 5 7 5 13ReceiveaGeographicCall RCV GEOGRAPH Alternating GEOGRAPHICAL ROUTINE VHF721 ENT ACCEPT 16 CHANNEL REQUEST ESC EXIT A geographic call is sent to all vessels within a specific geographic boundary area When you receive notification of a GEOGRAPH call press any key to cancel the alert The radio will select the channel designated in the incoming ca...

Page 40: ...ole display starts to flash and beep loudly The distress call repeats five times continuously It then repeats randomly every 3 5 to 4 5 minutes until a distress acknowledgement DISTRESS ACK is received from a search and rescue authority or until you cancel the distress call manually The radio selects CH16 automatically so that you can hear any incoming voice contacts from search and rescue authori...

Page 41: ...hips transmission Press any key to cancel the alert Try to make voice contact with the calling vessel Maintain a listening watch on CH16 and standby to lend assistance 6 5RelayaDistressCallfromtheDistressLog RELAY You can relay a Distress Call in your Distress Log to an Individual or to All Ships 1 Press CALL MENU to enter the DSC CALL menu then select DIST LOG see Section 5 8 987654321 DELETE SAV...

Page 42: ...Antenna connector SO 239 50 ohm Temperature Range 15ºC to 55ºC for EU 20ºC to 50ºC for US Waterproof JIS 7 Dimensions 161 W x 75 H x 147 D mm without bracket Weight 3 0 lbs 1 36 kg without microphone Frequency stability 10ppm Frequency control PLL GPS NMEA input Yes GPS data sentences can be received RMC GGA GLL GNS NMEA output Yes NMEA output sentences DSC for DSC call DSE for enhanced position C...

Page 43: ... deviation RECEIVER Frequency 156 025 163 275 MHz 12 dB SINAD sensitivity 0 25 uV distant 2 5 uV local Adjacent CH selectivity more than 70 db Spurious response more than 70 db Intermodulation rejection ratio more than 68 db Residual Noise level more than 40 db unsquelched Audio output power 2 W with 8 ohm at 10 distortion 4 W with 4 ohm external speaker Compass safe distance 1 5 0 5 m OPTIONAL HA...

Page 44: ...he engine b Add a noise suppressor to the power cable c Use resistive spark plug wires and or use an alternator whine filter 4 No sound from the external speaker a Check that the external speaker cable is physically connected b Check the soldering of the external speaker cable 5 Transmissions are always on low power even when high HI power is selected The antenna may be faulty a Test the transceiv...

Page 45: ...S Areas Yes Yes PORT OPS VTS 13 156 650 156 650 S Inter ship Navigation Safety bridge to bridge Yes No BRIDGE COM 14 156 700 156 700 S Port Operations SelectedVTS Areas Yes Yes PORT OPS VTS 15 156 750 156 750 S Port Operations Yes Yes PORT OPS 1 1W only 16 156 800 156 800 S International Distress Safety and Calling Yes Yes DISTRESS 17 156 850 156 850 S State Controlled Yes Yes SAR 1 1W only 18 156...

Page 46: ...156 375 156 375 S Commercial bridge to bridge Yes No BRIDGE COM 68 156 425 156 425 S Boat Operations Recreational Yes No SHIP SHIP 69 156 475 156 475 S Port Operations Yes Yes PORT OPS 70 156 525 156 525 Digital Selective Calling DSC DSC 3 71 156 575 156 575 S Port Operations Yes Yes PORT OPS 72 156 625 156 625 S Inter ship Yes No SHIP SHIP 73 156 675 156 675 S Port Operations Yes Yes PORT OPS 74 ...

Page 47: ...al Distress Safety and Calling Yes Yes DISTRESS 17 156 850 156 850 S State Controlled Yes Yes SAR 1 1W only 18A 156 900 156 900 S Commercial Yes Yes COMMERCIAL 19A 156 950 156 950 S Commercial Yes Yes COMMERCIAL 20 157 000 161 600 D Port Operations Canadian Coast Guard No Yes PORT OPS 20A 157 000 157 000 S Port Operations Yes Yes PORT OPS 21A 157 050 157 050 S U S Government Canadian Coast Guard Y...

Page 48: ... 156 425 156 425 S Boat Operations Recreational Yes No SHIP SHIP 69 156 475 156 475 S Boat Operations Recreational Yes Yes PLEASURE 70 156 525 156 525 Digital Selective Calling DSC DSC 6 71 156 575 156 575 S Boat Operations Recreational Yes Yes PLEASURE 72 156 625 156 625 S Boat Operations Recreational Yes No SHIP SHIP 73 156 675 156 675 S Port Operations Yes Yes PORT OPS 74 156 725 156 725 S Port...

Page 49: ... in Selected Areas Yes Yes PORT OPS VTS 15 156 750 156 750 S Commercial Yes Yes COMMERCIAL 1 1W only 16 156 800 156 800 S International Distress Safety and Calling Yes Yes DISTRESS 17 156 850 156 850 S State Controlled Yes Yes SAR 1 1W only 18A 156 900 156 900 S Commercial Yes Yes COMMERCIAL 19A 156 950 156 950 S Canadian Coast Guard Yes Yes CANADIAN CG 20 157 000 161 600 D Canadian Coast Guard No...

Page 50: ...IAL 70 156 525 156 525 S Digital Selective Calling DSC DSC 6 71 156 575 156 575 S Boat Operations Recreational Yes Yes PLEASURE 72 156 625 156 625 S Inter ship Yes No SHIP SHIP 73 156 675 156 675 S Commercial Fishing Only Yes Yes COMMERCIAL 74 156 725 156 725 S Commercial Fishing Only Yes Yes COMMERCIAL 77 156 875 156 875 S Port Operations Yes Yes PORT OPS 1 1W only 78A 156 925 156 925 S Boat Oper...

Page 51: ...is channel is only available on DSC enabled radios Note The CANADA mode is not legal to use in U S waters KEY S Simplex operating channel D Duplex operating channel C 4 WEATHER Channels CH RX MHz TRAFFICTYPE NAME REMARK WX01 162 550 NOAAWeather Channel NOAAWX RX only WX02 162 400 NOAAWeather Channel NOAAWX RX only WX03 162 475 NOAAWeather Channel NOAAWX RX only WX04 162 425 NOAAWeather Channel NOA...

Page 52: ... a 156 15 160 75 x 63 a 156 175 160 775 x 04 a 156 2 160 8 x 64 a 156 225 160 825 x 05 a 156 25 160 85 x 65 a 156 275 160 875 x 06 a b 156 3 156 3 x 66 a 156 325 160 925 x 07 a 156 35 160 95 x 67 a c 156 375 156 375 x 08 a q 156 4 156 4 x 68 a 156 425 156 425 x 09 a b c 156 45 156 45 x 69 a 156 475 156 475 x 10 e 156 5 156 5 x 70 a 156 525 156 525 Digital selective calling for distress safety and ...

Page 53: ...ugosla via The Administra tions concerned should make any possible attempt to make these fre quencies channels as soon as possible available for the radiotelephone service on Inland Waterways and or the required service catego ry 76 j d o 156 825 156 825 x 17 h 156 85 156 85 x 77 a k 156 875 156 875 x 18 156 9 161 5 x 78 156 925 161 525 x 19 156 95 161 55 x 79 a 156 975 161 575 x 20 157 161 6 x 80...

Page 54: ...ry on board on board communications i This channel may be used only for communications between sea going vessels and participating land stations in case of distress and safety communica ti ons within the maritime sea areas In the countries mentioned under remark 2 this channel may be used only for distress safety and calling j The output power shall be reduced automatically to a value between 0 5 ...

Page 55: ...6 000 UK Coast Guard Users Yes Yes UK COAST GRD M1 157 425 157 850 UK Marina Channel M1 Yes Yes UK MARINA M2 161 425 161 425 UK Marina Channel M2 Yes Yes UK MARINA 31 157 550 162 150 INT L Duplex Holland No Yes NL MARINA 96H 162 425 162 425 INT L Belgium No Yes BEL G MARINA L1 155 500 155 500 INT L Skandinavia Yes No LEISURE 1 L2 155 525 155 525 INT L Skandinavia Yes No LEISURE 2 L3 155 650 155 65...

Page 56: ...r press CH until appears then press ENT or push the rotary knob to backup and correct the entry 3 Press ENT or push the rotary knob to store your user MMSI 4 Enter your user MMSI again as a password check then press ENT or push the rotary knob to permanently store the user MMSI and return to the menu You can view your stored user MMSI at anytime by selecting USER MMSI in the main menu E 3LicenseIn...

Page 57: ...FORE doing any cutting or drilling Whichever installation method you choose ensure that the chosen location is at least 3 1 m from the antenna allows easy connection to at least a 10 Amp fused 13 6 V DC electrical source and the antenna is at least 1 5 45 cms from the compass to avoid creating magnetic deviation of the compass during radio operation has a suitable space close by for installing the...

Page 58: ...he mounting gimbal 9 Four spring washers for the mounting gimbal 10 Four plain washers for the mounting gimbal 11 Four nuts for the mounting gimbal 12 Two self tapping screws for the microphone bulkhead mount 13 Two flat screws for the microphone bulkhead mount 14 Two spring washers for the microphone bulk head mount 15 Twoplainwashersforthemicrophonebulkhead mount 16 Two nuts for the microphone b...

Page 59: ...e location site 4 Slide the radio into the mounting gimbal 5 Insert the two mounting knobs through the holes and tighten them sufficiently to hold the radio at the desired viewing angle 7 5ChangetheViewingAngle The viewing angle on the gimbal mount has a 20º tilt range To change the current viewing angle on the gimbal mount 1 Support the radio then cautiously loosen the mounting knobs until the ra...

Page 60: ...d the microphone bulkhead mount at the chosen location and use a soft pencil to mark the screw hole positions on the mounting surface Ensure that the microphone curly cable will comfortably reach this location BEFORE you drill 2 Drill the two pilot screw holes where marked 3 Use a short length Philips screwdriver and the set of two flat screws spring washers plain washers and nuts to secure the mi...

Page 61: ...able jack into the connector If you re not using this be sure to put the protective cap securely over the connector to protect it from moisture and dust 3 ExternalSpeakerconnector Plug theexternal speakercablejackintotheconnectorBEFOREpowering on the radio Use a 4 Ohm 4 Watt external speaker 4 REDPowerwire Connect this to the POSITIVE battery terminal Check that a 10 Amp fuse is installed on this ...

Page 62: ...nformation Black Power data cable Orange Blue Blue Grey Pin Wire Function Notes 1 Red No connection Not used 2 Orange NMEA OUT To GPS 3 White Program clone Not used 4 Green NMEA IN From GPS Pin Wire Function Notes 5 Yellow NMEA IN From GPS 6 Black NMEA OUT Ground 7 Blue NAVBUS 8 Grey NAVBUS Connecting to a Northstar display using NavBus GPS and COM connector 721 725 Base unit Northstar GPS product...

Page 63: ...allation withOptional701Handset M84 Battery VHF Antenna Wallplate on bulkhead Northstar GPS product Handset docking cable Antenna connection cable External speaker BLACK power cable Fuse on RED power cable Optional 701 Handset External speaker connection cable VHF721 725 Base unit with microphone ...

Page 64: ...DesignedinNewZealand Made in China MN000751C G FOR FURTHER CONTACT DETAILS GO TO www navico com 0560 Explorer721 1177 Explorer725 ...

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