Lowrance electronic LRA-1800 User's Manual
Contents
1. 1 The radar should already be in STANDBY mode so press PWR for 2 seconds to switch the radar into transmission mode A confirmation message will appear press lt to select YEs 2 Press MENU select Gain and press ENT Press to increase the Gain level to around 15 One or two red rings with blue borders should be visible on the screen depending on the wattage of your radar antenna 3 Press gt to ADJusT TRIGGER DELAY then press ENT The 2 kW model the LRA 1800 will have only one ring on the display The 4 kW model the LRA 2400 will have two rings on the display See the following figures EBL3 086 1 R Lu Se Lola 150 VRM3 2 Sada Abe VRM3 2 622NM 195 ago 165 EBL1 138 5 R 59 VRM1 1 865NM Before adjusting the Trigger Delay for 4 kW radars two rings will be shown on the screen left As Trigger Delay is increased the larger ring will start to get smaller The small ring will disappear right You may have to increase gain in the previous step if the rings are not visible Increase gain until you have solid red rings shown on the screen like in the preceding example Increasing Gain too much can cause the rings to be distorted 4 Press T to increase the level of Trigger Delay which will decrease the size of the ring If you have a 4 kW radar as the large ring decreases in size the smaller ring in the center of the screen will disappear leaving only one ring EBL3 086 1 R 210 ele V2. 0 5 0 125 nm Gain HU TRAIL OFF Anti Sea Clutter STC Anti Rain Clutter FTC Interference Rejection Radar Range 0 75 nim 1 am Radar Echo Expansion 15 nm Echo Trail Interval Clear Radar Trails 4 am a nm Radar Setup Ha Radar Information 312 nm 16 r m Radar Power 324 nm Radar Range selected left List of radar ranges right Radar Range This feature allows you to expand the area shown on the display unit allowing you to see distant targets You also can decrease the range to focus on targets closing in on you 17 To adjust radar range 1 Press MENU select RADAR RANGE and press ENT 2 Use 4 to select the desired range and press ENT NOTE When switching radar ranges you likely will need to adjust Gain STC and FTC settings to achieve optimum performance Tip You can also adjust radar range by pressing the ZIN or ZOUT keys Radar Echo Expansion The Radar Echo Expansion feature will make weak signals more visible on the display by lengthening radar echoes To turn Radar Echo Expansion On Off 1 Press MENU highlight RADAR EcHo EXPANSION and press ENT to turn it on check or turn it off uncheck Press EXIT Remember when Echo Expansion is on all signals on the display will be enlarged including clutter Echo Trail Interval The Echo Trail Interval feature displays an on screen history trail of the movements of all radar targets To adjust Echo T
3. repeat these steps for each EBL VRM you want to set up To manually set up an EBL and VRM 1 Press ENT to launch the EBL VRM menu Select an EBL VRM and press ENT 2 Press T 4 to increase or decrease the size of the circular VRM To find the distance to a radar target increase the size of the VRM until it is lined up with the target Check the display in the bottom right hand corner to see your distance from the target in nautical miles 3 To adjust the position of the EBL press gt to move the EBL around the display Line up the EBL with a radar target to determine the target s relative bearing Check the display in the lower left hand corner to see the target s relative bearing displayed digitally 4 When the EBL VRM is in the desired position press ENT Press EXIT Repeat these steps for each EBL VRM you want to set up 29 Radar C Documents and Settings van eby My Documents Emulators Radar Operation Maps0 Demo Radar Log bri 0 5 0 125 nm ta VRM Variable Range Marker 050 N EBL1 099 9 R 0 219NM The Variable Range VRM shows the target is 0 219 nautical miles away The Electronic Bearing Line EBL displays the target s bearing as 099 9 R To reposition an EBL VRM 1 Press ENT to launch the EBL VRM menu Select the EBL VRM you would like to change and press ENT 2 Press T to increase or decrease the size of the circular VRM To find the distance to another radar target increase the s
4. Started 1 Press MENU MENU then use T 4 to System SETUP and press ENT 2 Highlight Communications PORT and press ENT 3 Press 4 to RADAR and press ENT which will place an X in the radar checkbox The Baud Rate automatically will switch to 230400 and a Radar Notice will appear Cancel Navigation Screen aa 010 Sounds ors Transpi Comm Alarms Communications Port 1 Communications Port 2 Route ill Baud Rate Baud Rate My Tra Sonar 460800 5111 9600 GPS Si Cancel Navigation Screen 0 Oli GAIN 0 Sounds PT 030 arc Oe Transp C Alarms Communications Port 1 Communications Port 2 g Fo Routej Baud Rate Baud Rate My Tra Sonar 230400 x 19600 GPS Si T NMEA 0183 Output I NMEA 0183 Output Networ NMEA 0183 Input l NMEA 0183 Input SuniMc Radar LRA 1000 LRA 4000 Radar LRA 1000 LRA 4000 Trip Ca LRA 1500 LRA S000 LRA 1S00 LRA 5S000 Timers LRA 2000 LRA 2Z000 Browse LERE RA 1800 LRA 6000 Radar LRA 1800 LRA 6000 LRA 2400 RA 2400 I NMEA 0183 Output I NMEA 0183 Output If activating Radar for the FIRST time it is recommended to leave the Radar in Standby mode for 30 minutes to maximize magnetron life Browse Radar LR 800 LRA 6000 m LRA 1800 LRA 6000 IRA 2400 LRA 2400 Configure NMEA Configure NMEA Check Free Storage Software Information 160 Check Free Storage Software Information 1160 190 4aq 170 Be L GA 190 180 170 Commun
5. displays digital information on the screen which covers Range Rings Gain Anti Sea Clutter STC Anti Rain Clutter FTC and when active Electronic Bearing Lines EBL and Variable Range Markers VRM Gain The percentage listed next to Gain displays the current Gain setting for your radar display NOTE When adjusting Gain back to a useable level increase the level un til you see a light peppering on the display You will have to adjust gain every time you change ranges Range Rings The Range Ring display in the upper left hand corner of the radar dis play shows the current range ring setting In the example above Range is 5 nautical miles The Range Ring setting the distance between each ring 1s 125 nautical miles 27 Anti Sea Clutter STC The STC percentage displays the current Anti Sea Clutter setting on your radar screen Anti Rain Clutter FTC The FTC percentage displays the current Anti Rain Clutter setting on your radar screen Electronic Bearing Line EBL A radial line that can be rotated 360 the electronic bearing line is used to monitor the bearing of a radar target in relation to your loca tion RANGE O ONM RINGS O ONM 100 mo 120 7130 140 wey 150 En ada d MrS 1 pw e 190 180 170 169 elec ang EBL VRM 2 EBL VRM 3 The EBL and VRM selection menu appears in a small box on the left side of the radar display left Once activated the EBL and VRM dia log boxes appear
6. heading out on the water Screen SURI GPS Simulator Sonar Simulator 7777757777777 ae Sounds Transparency Alarms Route Planning My Trails Sonar Setup GPS Setup vstem Setup im Radar Simulator On Log Used Demo Radar Log rlg Z Dia x Simulate Position i Units of Measure Networking ae Set Local Time Sun Moon Calculations Communications Port Trip Calculator Reset Options Timers Simulators Browse Files Delete All My Waypoints x Popup Help Hide GPS Features Hide Radar Features Set Language Transfer My Data Check Free Storage Software Information Simulators highlighted on the System Setup menu left Radar Simu lator On selected on Radar Simulator menu right Notice the simula tor has not been turned on since the checkbox is unchecked To access the Radar Simulator 1 Press MENU MENU use 7 4 to highlight System SETUP and press ENT 2 UseT 4 to highlight SimuLators and press ENT 3 Press gt to scroll to the RADAR SIMULATOR tab If you have only one radar log or if you want to use the current radar log press 4 to high light RADAR SIMULATOR ON and press ENT 4 If you have more than one Radar log loaded on your MMC or SD card and you want to switch logs press 4 to Log Used and press ENT Use 4 to select the desired radar log and press ENT 5 Press T to RADAR SIMULATOR ON and press ENT Repeat these steps to turn off the simul
7. in the bottom corners of the screen right Variable Range Markers EBL1 225 3 R A range ring used to measure the precise distance to a target the vari able range marker may be adjusted to measure any distance within the radar s range Radar Cursor The Radar cursor allows you to use the arrow keys to pinpoint the rela tive bearing EBL and range VRM to a target on the display That allows you to simultaneously align the EBL and VRM with a target to get a quick fix on its bearing and range The Radar Cursor also can be used to set up each of your EBL VRMs To set up an EBL VRM with the Radar cursor 1 From any radar page press 4 to launch the Radar Cursor boxes in the top left hand corner of the display The Radar Cursor will appear in the center of the display 2 Use 4 amp gt to move the cursor to the desired target 28 0 5 015 nm HU TRAIL OFF 121 6R 0 132NH Cursor Pe y Radar cursor T Boxes The Radar Cursor boxes are show in white in the top left hand corner The Radar Cursor is aligned with a target in the bottom right portion of the screen 3 Press ENT to launch the EBL VRM menu Use 7 4 to select the de sired EBL and VRM and press ENT twice Press EXIT The Radar Cursor coordinates have been assigned to the EBL VRM you selected The EBL and VRM coordinates will be listed in the bottom left and right hand corners of the display 4 If you want to use more than one EBL VRM at a time
8. legal rights and you may also have other rights which may vary from state to state REMINDER You must retain the sales slip or sales receipt proving the date of your original purchase in case warranty service is ever required NAVICO 12000 E SKELLY DRIVE TULSA OK 74128 800 324 1356 39 How to Obtain Service in the USA We back your investment in guality products with guick expert service and genuine Lowrance parts If you re in the United States and you have technical return or repair guestions please contact the Factory Customer Service Department Before any product can be returned you must call customer service to determine if a return is necessary Many times customer service can resolve your problem over the phone with out sending your product to the factory To call us use the following toll free number 800 324 1356 8 a m to 5 p m Central Standard Time M F Lowrance Electronics may find it necessary to change or end our ship ping policies regulations and special offers at any time We reserve the right to do so without notice in Canada If you re in Canada and you have technical return or repair questions please contact the Factory Customer Service Department Before any product can be returned you must call customer service to determine if a return is necessary Many times customer service can resolve your problem over the phone without sending your product to the factory To call us use
9. oooooooooo 3 Section 2s Radar Set p aicese tease nseseeeescaeteta ees 5 GENE SCC ae ella e Maide ie Sele lll Bb 5 To access Radar PASO ismssliesre ie keiki lies a ime 6 AWO Power OM MK NA 7 Turning on off Auto Power On ooooooccc 7 Bada Oem la Bil NN i 7 TriggerDelayPreparatlon en 8 AN Pe a me ba dl si ln va ay n ela ala el yala 8 Ga m ale An AN la Sall li ai aradan b 8 An eee 2 CU ea e EY 8 Anta ii GE a nar alna m ar An ld 8 VITO CC Deliye audi kani Na 8 Adast Lele ei El sisi ee eli e al kane il 9 Adjust He dine Line seneki lak me aa BA 10 PROSE PUNC ami ak kle a ai a lem melo al 11 Section 3 Basic Operation cooooooooooooooooooooooooooooo 18 e 0 gt RM NE KE ENA ME DANE AN Se e ea wes eas AN TE 13 Radar D an 13 Peral Dateren e Ye O Ke Me 13 kadar with Map Knee net mini tance aa NIA 13 RACAL Wath Sona ne Ke eas eee 14 Radar with Ge Sanel lan ba BNN NN 14 Radar Nap and Sona RN 15 Radar MENU an a la aa ala ee SNN Rl e 15 A e anla yi aa ll e AA NN lab 15 Anti pea Clutter KN eee Ina nia 16 Da ne oi Chatter FTO hora e ee 16 Interference RejeetiOn om sapak N 17 Radar Rano Edere ni adele EES 17 Radar Heho Expansions ba n ab 18 Echo Trail intera ama E EIN 18 clear Radar Eral orn ANR 18 Toclear radar traller AN E 18 1 Los Radar Data aan an NN SIRNA 18 Raat e ER eaten 22 Radar Oren AO ea lm lem ball slam Salya meni 22 Radar Color Sche Me selesi salan RN 22 Adjust Antenna Park n
10. sensitivity at shorter ranges to reduce or eliminate echoes that reflect back at the antenna due to wave action close to the vessel Caution Increasing STC may reduce or eliminate weak echoes like small vessels Use only the minimum amount needed then check back periodically to see if the STC level may be decreased To adjust Anti Sea Clutter 1 Press MENU select ANTI SEA CLUTTER and press ENT 2 Use T 4 to adjust Anti Sea Clutter to a desired level Press EXIT Anti Rain Clutter FTC The Anti Rain Clutter feature is used to reduce or eliminate massive numbers of small echoes that clutter the display during rain or snow storms To adjust Anti Rain Clutter 1 Press MENU highlight ANTI RAIN CLUTTER and press ENT 2 Use 4 to adjust the Anti Rain Clutter setting to a desired level 16 WARNING Increasing FTC may reduce or eliminate weak echoes like those from small vessels Use only the minimum amount needed then check back periodically to see if the FTC level may be decreased STANDBY STANDBY Anti Rain Clutter FTC Interference Rejection Ng 210 Lalai 150 180 Anti Rain Clutter vertical scrollbar left with Interference Rejection scrollbar right Interference Rejection This feature filters out signals from other radars close to your location To adjust Interference Rejection 1 Press MENU select INTERFERENCE REJECTION and press ENT 2 Use T 4 to adjust the Interference Rejection Press EXIT
11. the following toll free number 800 661 3983 905 629 1614 not toll free 8 a m to 5 p m Eastern Standard Time M F outside Canada and the USA If you have technical return or repair questions contact the dealer in the country where you purchased your unit To locate a dealer near you visit our web site www lowrance com and look for the Dealer Loca tor 40 Accessory Ordering Information for all countries To order Lowrance accessories for your unit please contact 1 Your local marine dealer or consumer electronics store Most quality dealers that handle marine electronic equipment or other consumer electronics should be able to assist you with these items To locate a Lowrance dealer near you visit our web site www lowrance com and look for the Dealer Locator Or you can consult your telephone directory for listings 2 U S customers LEI Extras Inc PO Box 129 Catoosa OK 74015 0129 Call 1 800 324 0045 or visit our web site www lei extras com 3 Canadian customers can write Lowrance Eagle Canada 919 Matheson Blvd E Mississauga Ontario L4W2R7 or fax 905 629 3118 Shipping Information If it becomes necessary to send a product for repair or replacement you must first receive a return authorization number from Customer Service Products shipped without a return authorization will not be accepted When shipping we recommend you do the following 1 Please do not ship the knobs or mounting bracket w
12. Clutter STC Anti Rain Clutter FTC Interference Rejection Radar Range Radar Echo Expansion Radar Orientation fe C C Echo Trail Interval Clear Radar Trails Radar Setup Radar Information Radar Power Full Color on Black Full Color on Gray Full Color on White Green on Black Yelow on Black Radar Setup selected from Radar menu left Radar Setup menu with Full Color on Black highlighted right 6 To set the radar to Heading Up highlight HEapING Up and press ENT 7 To display the radar images in full color press 4 to select RADAR COLOR SCHEME and press ENT 8 Use 4 to highlight one of the three full color options and press ENT Press EXIT to return to the main page display Auto Power On When the Auto Power on feature is turned on the radar will start warming up every time the display unit 1s turned on Access the Com munications Port menu to turn on or turn off the Auto Power on fea ture Caution If you do not plan to use your radar every time the display unit is turned on you need to turn off the Auto Power On feature Turning on off Auto Power On 1 From the Radar Page press MENU select RADAR SETuP and press ENT 2 Highlight RADAR AUTO Power ON and press ENT which will check turn on or uncheck turn off the radar checkbox Auto Power On is active when there is an X in the Radar Auto Power On checkbox 3 Press EXIT to return to the main radar display Radar Orie
13. LOWRANCE Pub 988 0161 10B LOWRANCE 350 000 010 Radar Operation Instruction Manual Copyright 2008 Navico All rights reserved No part of this manual may be copied reproduced republished trans mitted or distributed for any purpose without prior written consent of Navico Any unauthorized commercial distribution of this man ual is strictly prohibited Lowrance is a registered trademark of Navico NMEA 2000 is a regis tered trademark of the National Marine Electronics Association Navico may find it necessary to change or end our policies regulations and special offers at any time We reserve the right to do so without no tice All features and specifications subject to change without notice This manual covers all display units compatible with Lowrance Radar at press time For free owner s manuals and the most current information on this product its operation and accessories visit our web site www lowrance com Navico 12000 E Skelly Dr Tulsa OK USA 74128 2486 Printed in USA Table of Contents Warnings and Cautions ooooooooooooooooooooooooooo ili Section 1 Introduction KEREN 1 Soltware Update yakm an an na 1 Checking Software Version 1 To download software update to MMC SD card 1 To update display unit software o 2 How to use this manual typographical conventions J Basic Radar Display Components
14. RM3 2 622NM 195 yao Tes EBL1 138 5 R VRM1 1 865NM Increase Trigger Delay to diminish the size of the red ring left To set Trigger Delay correctly reduce the ring to as small a size as possible while keeping a black circle in the middle enlarged view right In either case continue to increase the Trigger Delay level until the ring is as small as possible while keeping a black circle in the middle Every radar is different but typically a setting between 35 and 42 per cent will get the job done If you over apply the Trigger Delay the black circle will disappear De crease the Trigger Delay level and it will reappear 3 Press EXIT to return to the main page display Adjust Heading Line The Heading Line command is used to make sure the green heading line zero point on your display is lined up with the bow of your vessel Before heading line adjustment After peace a jean The bow of the ship i is lined up with the tip of the Eh left but the green heading line is not Adjusting the heading line will allow you to align the direction of the heading line with the direction of the bow right 10 1 Line up the bow of your vessel with a point of reference like a penin sula lighthouse or other stationary target 2 Press MENU highlight RADAR SETUP and press ENT Press gt to select ADJUST HEADING LINE and press ENT That will place an arrow on each side of the green Heading Line 3 Use to a
15. TC b Fi Interference Rejection ST Radar Echo Expansion Echo Trail Interval Clear Radar Trails Overlay Options Radar Options menu To access Radar Options menu from Map page 1 Press MENU highlight ENABLE RADAR OVERLAY and press ENT 25 2 Highlight RADAR Options and press ENT to access the Radar Options menu To use the features on the Radar Options menu refer the Radar Menu instructions covered earlier in this section Overlay Options menu The Overlay Options menu allows you to turn on overlay transparency Transparency Level Overlay Color Green 195 Tee 165 Radar Overlay Options menu left Radar Overlay in use on Radar with Map page To access Overlay Options menu 1 Press MENU highlight RADAR Options and press ENT 2 Select OVERLAY OPTIONS and press ENT To Adjust Transparency level 3 Highlight Transparency level then use gt to adjust the transpar ency level of the radar overlay to the desired setting To select Overlay Color 4 Highlight OvERLAY CoLor and press ENT which will open the Overlay Color drop down menu with the following options Yellow Red Orange Green Magenta and Black 5 Use T 4 to select the desired color and press ENT Press EXIT to re turn to the main display 26 Section 4 Advanced Operation 0 5 0 125 nm TAN 0 HU 7 m TRAIL OFF 0 1 i EBL1 180 0 R 0 000NM Radar Only page display Reading the Display The radar page
16. This device complies with Part 15 and Part 80 of the U S Fed eral 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 un desired operation Changes or modifications not expressly approved by the manu facturer could void the user s authority to operate the equipment Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 and part 80 of the FCC Rules These limits are designed to provide rea sonable protection against harmful interference in a residential installation This equipment generates uses and can radiate ra dio 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 interfer ence 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 e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the r
17. and Green CRT When using full color mode on the radar display the strongest targets will be displayed in red weaker targets will be shown in green and the weakest returns will be colored blue Gain Radar Setup Anti Sea Clutter STC Radar Orientation pajust Heading Line Anti Rain Clutter FTC e Heading Up Interference Rejection C North Up Re UUS BEN Radar Range ss Us Aqjust Tune Radar Echo Expansion MEME Echo Trail Interval Radar Color Scheme Clear Radar Trails om Color on Black Adjust Antenna Park Radar Setup Adjust Antenna Height Radar Information X Radar Auto Power On Radar Power Radar Setup selected on System Setup menu left Radar Color Scheme highlighted on Radar Setup menu right To adjust the Radar Color Scheme 1 Press MENU select RADAR SETuP and press ENT 2 Press to RADAR COLOR SCHEME and press ENT 3 Select the desired color scheme and press ENT Press EXIT Adjust Antenna Park This feature allows users to adjust their open array antenna so it will come to a stop in a desired position 22 oar Adjust 000 010 024 0 Es AM Pp030 IR OF 040 o 050 o60 ae No70 IMING UP gt KY Ao8o Selecting Adjust Antenna Park will place a dialog box in the upper right hand corner of the screen Use Arrow keys to adjust it NOTE There is no recommended setting for Antenna Park Use the trial and error method when adjusting antenna park Repea
18. as au unlan 22 Radar Lokma tol kali nelik aa 23 Radar POWE acen NB ett 24 Turns the radar on and off ocoooooooooo 24 Radar DIM ALOR kel e laa al allel ia nal allen 24 PA EO CIA yarimi lima sl aid larada ina Sater de asal sinan el 20 Radar Options Men ee 25 Overlay Options ment mia ni ANE NE 26 Section 4 Advanced Operation ooooooooooooooooooo 27 Read n the Display sma een ailemin yn mau 27 EEE o OE ERE EEE O li amme ama nine amine 27 VAIO an teen 2T Ant Sea Clutter DO TO an deh 28 Antika Clutter EEG sene desire sama senle silimi 28 Electronic Bearing Line EBL ooooooWoo 28 Marlable Range Markers senil Rana 28 Radar CU e al ey ae vee ve Mk E Burn 28 Appendix Tc Glossary siman anal seni dadinal iade iaubalk ale 38 11 Warnings and Cautions Caution Use this radar at your own risk This radar was designed for use as a navigation aid It should not be used for purposes that require precise measurements of direction distance topography or location Always compare the navigation information received from your radar with data from other navigation aids and sources When a conflict arises between the navigation data from your radar and data from other navigation aids make sure you resolve the conflict before proceeding with navigation A CARE FUL NAVIGATOR NEVER RELIES ON ONLY ONE METHOD TO OBTAIN NAVIGATION INFORMATION Caution International Regulations for Preventing Collisions at Sea man date
19. ator Press EXIT repeatedly NOTE You can turn on the GPS Simulator from the Radar Simulator menu Press 4 to SIMULATE Position then press ENT which will check the Simulate Position checkbox 24 Radar Overlay The Radar Overlay feature allows you to overlay radar data on any map page as long as you have a valid GPS position and a NMEA 2000 heading sensor or compatible NMEA 0183 heading sensor NOTE You will need to purchase a SIMRAD heading sensor for the Radar Overlay feature to work properly Go To Cursor Find Distance Find Streets Find Address Highway Exits Map Orientation T Auto Zoom Overlay Data Map Data Map Categories Drawn Delete My Icons M Enable Radar Overlay mn On ae To use Radar Overlay 1 Press PAGES highlight the Map tab and press ENT 2 Press MENU highlight ENABLE RADAR OVERLAY and press ENT EXIT 3 To turn off Radar Overlay repeat Step 2 Radar Options menu The Radar Options menu allows you to access radar settings and com mands from the Map page menu You however will ONLY be able to access the Radar Options menu when Radar Overlay has been enabled Go To Cursor Find Distance Find Streets Map Orientation 603 5 Lf T Auto Zoom Overlay Data r Map Data 44 Map Categories Drawn j Delete My Icons l Enable Radar Overlay 1 aq J Radar Range ll Gain LAI Anti Sea Clutter STC Anti Rain Clutter F
20. c 1GPS LMS 522c 1GPS Ice Machine LMS 525c DF LMS 527c DF iGPS Globalmap 5200c Globalmap 5300c 1GPS Globalmap Baja 540c X510c and X515c DF Note for GlobalMap users Menus and commands in your unit are very similar to those shown in this manual except your display will not have sonar page sonar alarm or sonar simulator options Software Update If your display unit s software version is less than 2 2 0 you will need to update the unit s software To update your unit contact your dealer or download the update from our web site www lowrance com Checking Software Version 1 With the display unit turned on press MENU twice use the arrow keys to highlight System SETUP and press ENTER 2 Use the arrow keys to select SOFTWARE INFORMATION and press ENTER The software information screen will appear If the version of software listed on the software information screen is less than 2 2 0 you need to update your display unit To download software update to MMC SD card 1 Log onto www lowrance com Click on the PRoDucTs tab 2 Select MARINE and then click on your display unit s category 1 3 Select your display unit icon and choose DownLoaps Click on the DOWNLOAD button next to the desired software update 4 Follow the onscreen installation instructions to download the update onto your MMC SD card To update display unit software 1 With the display unit turned off install the MMC or SD card that contains the radar sof
21. djust the position of the green heading line so its line to the reference point s radar image matches your bow s actual line to the reference point 4 Press EXIT to remove the heading line arrows from the display Adjust Tune Tuning should require no adjustment during the life of the unit We strongly recommend you do NOT adjust Tune settings yourself This feature is intended for use only by trained technicians If for some reason you need to use this function consult your dealer or customer service about the software updates necessary for tuning 11 Notes Section 3 Basic Operation Pages The Radar Page has six display options Radar Only Digital Data Ra dar with Map Radar with Sonar Radar with Gauges and Radar Map and Sonar GPS only units do not support the Radar with Sonar page so they have four display options Radar Only Digital Data Radar with Map and Radar with Gauges Status Navigation Map Sonar Radar Only Digital Data Radar with Map Radar with Sonar Radar with Gauges Radar Map and Sonar Radar Page Menu with Radar Only selected To access Radar page display options 1 Press PAGES then use gt to highlight the radar tab 2 Use T 4 to select the desired radar page configuration 3 Press EXIT when the desired display option is highlighted Radar Only Choose Radar Only if you want to display the radar full screen Digital Data The Digital Data page allows you to customize digita
22. eceiver is connected e Consult the factory customer service department for help 38 NAVICO FULL ONE YEAR WARRANTY We our or us refers to NAVICO the manufacturer of this product You or your refers to the first person who purchases this product as a consumer item for personal family or household use We warrant this product against defects or malfunctions in materials and workmanship and against failure to conform to this product s written specifications all for one 1 year from the date of original purchase by you WE MAKE NO OTHER EXPRESS WAR RANTY OR REPRESENTATION OF ANY KIND WHATSOEVER CONCERNING THIS PRODUCT Your remedies under this warranty will be available so long as you can show in a reasonable manner that any defect or malfunction in materials or workmanship or any non conformity with the product s written specifications occurred within one year from the date of your original purchase which must be substantiated by a dated sales receipt or sales slip Any such defect malfunction or non conformity which occurs within one year from your original purchase date will either be repaired without charge or be replaced with a new product identical or reasonably equivalent to this product at our option within a reasonable time after our receipt of the product If such defect malfunc tion or non conformity remains after a reasonable number of attempts to repair by us you may elect to obtain without charge a replacem
23. ent of the product or a refund for the product THIS REPAIR OR REPLACEMENT OR REFUND AS JUST DESCRIBED IS THE EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR ANY DEFECT MALFUNCTION OR NON CONFORMITY CONCERNING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER CAUSE WHATSOEVER WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY SPECIAL CONSEQUENTIAL INCIDENTAL OR OTHER INDIRECT DAMAGE OF ANY KIND Some states do not allow the exclusion or limitation of incidental or consequential dam ages so the above limitations or exclusions may not apply to you This warranty does NOT apply in the following circumstances 1 when the product has been serviced or repaired by anyone other than us 2 when the product has been con nected installed combined altered adjusted or handled in a manner other than accord ing to the instructions furnished with the product 3 when any serial number has been effaced altered or removed or 4 when any defect problem loss or damage has resulted from any accident misuse negligence or carelessness or from any failure to provide reasonable and necessary maintenance in accordance with the instructions of the owner s manual for the product We reserve the right to make changes or improvements in our products from time to time without incurring the obligation to install such improvements or changes on equipment or items previously manufactured This warranty gives you specific
24. et EBL an electronic bearing line originating from a location other than the PPI sweep origin Open Array Antenna a radar antenna which has an external rotat ing scanner PPI Plan Position Indicator The PPI provides a map like repre sentation of target echoes Radar Overlay radar image data laid over an electronic chart This feature requires a GPS position fix and a heading sensor Radar Over lay is available only on GPS units and Sonar GPS combo units Radome a single housing containing a radar antenna and transceiver Rain Clutter undesirable echoes caused by rain or snow Range distance to a particular target Range Rings fixed rings on the radar display designed to show the distance from the antenna Sea Clutter undesirable returns caused by smaller waves and water movement Standby radar mode that follows warm up and precedes the start of transmission Sweep Origin the origin of EBL and VRM the sweep origin is located at the center of the PPI Target an item detected by radar Time Base line that rotates around the radar display updating im ages on the display Tuning intermediate frequency adjustment that enhances the per formance of the radar VRM Variable Range Marker a range ring used to measure the precise distance to a target the variable range marker may be adjusted to measure any distance within the radar s range 34 Notes 3D Notes 36 Notes 31 FCC Compliance
25. ications Port menu left Radar Notice right prompting us ers to leave radar in Standby Mode for 30 minutes when activating ra dar for the first time Caution Leave the radar in Standby Mode for 30 minutes when activat ing it the first time This will help maximize the life of the mag netron After the radar has been activated the first time ignore the Radar Notice To access Radar Page 1 Press PAGES then use lt gt to select the radar tab 2 Press 4 to select RADAR ONLY then press EXIT Gain Anti Sea Clutter STC Anti Rain Clutter FTC Interference Rejection TReder Onl Radar Range Radar Echo Expansion Echo Trail Interval Clear Radar Trails Radar Setup Radar Information F Radar Power Mm Digital Data Radar with Map Radar with Sonar Radar with Gauges Radar Map and Sonar Radar only highlighted on Radar Pages menu left Radar menu with Radar Power selected right 3 Press MENU then use T 4 to select RADAR Power from the radar menu and press ENT A confirmation message will appear Press lt to select YES and press ENT A warm up countdown will commence that will vary depending on the model of radar you have 4 After the countdown is finished the unit will enter STANDBY mode 5 Access the Radar Setup menu to make sure your radar display is set to Heading Up and is set to a Full Color scheme Press MENU select RADAR SETUP and press ENT Gain Anti Sea
26. is set to zero percent Press EXIT Notice the corresponding value in the upper right hand corner of the screen NOTE When adjusting Gain back to a useable level increase the level un til you see a light peppering on the display Also remember you will have to adjust gain every time you change ranges Anti Sea Clutter 1 To set Anti Sea Clutter to zero press MENU select ANTI SEA CLUTTER STC and press ENT 2 Press until the Anti Sea Clutter is set to zero percent Press EXIT Notice the corresponding value in the upper right hand corner of the screen Anti Rain Clutter 1 To set Anti Rain Clutter to zero press MENU select ANTI RAIN CLUTTER FTC and press ENT 2 Press 4 until the Anti Rain Clutter is set to zero percent Press EXIT Notice the corresponding value in the upper right hand corner of the screen Trigger Delay 1 To set Trigger Delay to zero press MENU select RADAR SETUP and press ENT 2 Press gt to ADJUST TRIGGER DELAY and press ENT That will launch the Adjust Trigger Delay vertical scrollbar 3 Press 4 until Trigger Delay is set to zero percent Press EXIT Adjust Trigger Delay This feature eliminates the time lag between real radar returns and the time it takes data to be processed by the radar software a common is sue with all radars Caution If you have any doubt about your understanding of the Trigger Delay feature you should have it set up by a qualified radar technician
27. ith your unit 2 If you are sending a check for repair please place your check in an envelope and tape it to the unit 3 For proper testing include a brief note with the product describing the problem Be sure to include your name return shipping address and a daytime telephone number An e mail address is optional but useful 4 Pack the unit in a suitable size box with packing material to prevent any damage during shipping 5 Write the Return Authorization RA number on the outside of the box underneath your return address 6 For your security you may want to insure the package through your shipping courier Lowrance does not assume responsibility for goods lost or damaged in transit Visit our web site lowrance com Lowrance Pub 988 0161 10B Copyright 2008 All Rights Reserved Printed in USA 090808 Navico
28. ize of the VRM until it is lined up with the target 3 Press gt to move the EBL around the display Line up the EBL with a radar target to determine another target s relative bearing 4 If you have more than one EBL VRM on the radar display repeat these steps to reposition each EBL VRM on the display Press EXIT to close the EBL VRM menu 30 f VRM Variable Range Markef A EBL Electronics Bearing Line This is a zoomed in view from the previous image clearly showing the radar target Variable Range Marker and Electronic Bearing Line To remove an EBL VRM from the display 1 Press ENT to call up the EBL VRM menu Select the EBL VRM you want to remove and press ENT 2 Press EXIT and the desired EBL VRM will be removed from the screen 3 Repeat these steps to remove each EBL VRM from the display 31 When using multiple EBL VRMs the size of the dashes and the dis tance between dashes allows you to distinguish between the different EBL VRMs on the display 32 Appendix I Glossary Anti Rain Clutter FTC used to reduce or eliminate massive num ber of small echoes that clutter the display during rain or snow storms Anti Sea Clutter STC lowers receiver sensitivity at shorter ranges to reduce or eliminate sea clutter echoes which are most prevalent around the vessel Beam focused rays of microwave energy Beam width measured in degrees the width of a beam both horizon tally and ve
29. l data boxes with information you want to monitor while viewing the radar display Radar with Map To keep an eye on radar and GPS data at the same time select Radar with Map 13 000 o 20 22 020 77030 EBL3 086 1 R VRM3 0 285NM nl Le 41 1 Yaa L EBL2 028 0 R VRM2 0 274NM n F JIEBL1 180 0 R 80 4 A EBL1 032 5 R VRM1 0 102NM Digital Data page left with Radar with Map display right NOTE When more than one page display is on the screen at the same time press PAGES PAGES to switch the Active status between windows The title bar at the top of the window will be blue when the window is active The only exception is the map page which will display Active Map at the top of the map Radar with Sonar The Radar with Sonar option allows you to monitor radar information while viewin ye at 1150 195 ag 165 086 19R VRM3 0 285NM 2 1 EBL2 028 0 R VRM2 0 27ANMJI EBL2 199 6 R VRM2 2 894NM EBL1 032 5 R VRM1 0 102NM Bs i 60 Radar with Sonar option left Radar with Gauges display right Radar with Gauges The Radar with Gauges display will split the screen between the radar page and the gauge page The gauge page can be customized to display sonar and GPS information in digital and analog gauge formats NOTE For instructions on customizing the gauges window with digital in formation or analog gauges refer to the overlay data entry in your unit s instr
30. mation window left The Copy To window right NOTE Stop will only appear in the File Information menu if the file is in use 3 Select Copy to save the file to an MMC or SD card Use gt to select your MMC or SD card and press ENT 4 Use T 4 to highlight the Copy From dialog box Select your unit s hard drive as the Copy From location and press ENT 5 Highlight the Copy button and press ENT To delete a data file 1 Press MENU select Loc RADAR Data and press ENT Select BROWSE FILES and press ENT 20 2 Select the desired file from the Browse Files menu and press ENT 3 Highlight DELETE from the File Information window and press ENT 4 A confirmation message will appear Press lt to YEs and press ENT To stop or play a data file 1 Press MENU select Loc Rapar Data and press ENT Select BROWSE FILES and press ENT 1 Select the desired file from the Browse Files menu and press ENT 2 If the file is currently in use the Stop button will be on the menu Otherwise the PLay button will be displayed File Information Name Name Demo Radar Log Demo Radar Log Type Radar log Type Radar log Size 8 26MB Size 8 26MB Date February 14 2006 Date February 14 2006 Copy Delete Copy Delete Stop button highlighted in File Information window left Play button selected in File Information window right 3 To stop playing the chart currently in use highlight Stop and press ENT The play butto
31. n will replace the stop button on the File Informa tion window Press EXIT 4 To play the chart again highlight PLay and press ENT Press EXIT The radar simulator will automatically be turned on if you play a chart from the File Information menu To rename a data file 1 Press MENU select Loc Rapar Data and press ENT Select BROWSE FILES and press ENT 2 Select the desired file from the Browse Files menu and press ENT 3 Highlight Name at the top of the File Information menu and press ENT 4 Press T to change the first letter then press gt to move to the next letter Repeat these steps until the desired name has been entered 5 Press EXIT repeatedly 21 Radar Setup The Radar Setup menu allows you to set up and adjust basic radar set tings like Heading Line Trigger Delay and Tune all of which are ad dressed in the section on Radar Setup You can also modify Radar Ori entation Radar Color Scheme and Antenna Park from the Radar Setup menu Radar Orientation The Radar Orientation feature displays the orientation of your radar which by default is set to Heading Up To select radar orientation 1 Press MENU select RADAR SETUP and press ENT 2 Select the desired orientation Heading Up North Up or Course Up and press ENT Radar Color Scheme Your radar has eight color options Full Color on Black Full Color on Gray Full Color on White Green on Black Yellow on Black Yellow on Blue Night Viewing
32. nd move the person away from the antenna Turn off the radar whenever it is necessary to work on the an tenna unit or other equipment in the beam of the radar WARNING Turn Off Radar When Docked The radar beam can be harmful to humans in close prox imity within 20 yards or 18 3 meters When docked be considerate of other boats and pedestrians nearby and remember to turn off your radar If your boat is in a cov ered marina and the radar is on a metal roof can act as a reflector bouncing microwave energy back at your boat and passengers 1V Section 1 Introduction Your radar consists of four components the radar scanner unit antenna your display unit sold separately radar processor and RIM 300 radar interface module This manual covers LRA 1800 and LRA 2400 radars WARNING Radar radiation can be harmful to you and bystanders Radar misuse or misunderstanding radar operation could lead to a collision which could result in property damage personal injury or death You must be familiar with the procedures and all warn ings and cautions described in the installation and op eration manuals in order to operate your radar safely and effectively The following units are compatible with LRA 1800 and LRA 2400 radars LCX 113c HD GlobalMap 9300c HD LCX 112c Global Map 9200 LCX 38c GlobalMap 8300c LCX 37c GlobalMap 8200c GlobalMap Baja 840c LCX 28c HD GlobalMap 7300c HD LCX 27c GlobalMap 7200c LMS 520c LMS 522
33. ntation 7 Adjust Heading Line e Aeading U PUP Adjust Trigger Delay North Up course Up Adjust Tune Adjust Man Bang Suppression Radar Color Scheme Full Color on Black M Adjust Antenna Park Adjust Antenna Height Radar Auto Power On Communications Port menu with Auto Power On feature turned on Radar Setup The Radar Setup menu allows you to set up and adjust radar settings Most of the settings in the Radar Setup menu will only have to be set once but we recommend you check the settings periodically for general maintenance NOTE Before starting radar setup take your vessel out on open water with fairly calm seas like an open bay The two setup features we want to modify are Adjust Trigger Delay and Adjust Heading Line We will set them up in that order but before making any adjustments make sure the display is set to a range of 0 125 nautical miles and that Gain Anti Sea Clutter STC Anti Rain Clutter FTC and Trigger De lay all have been set to zero percent Trigger Delay Preparation Range 1 To reset range to 0 125 nm make sure you are on the Radar Only page and press MENU 2 UseT to select RADAR RANGE and press ENT which will call up the Radar Range list Press to select 0 125 nm and press ENT You also can set the range to 0 125 nm from the radar screen by using the ZIN and ZOUT keys Gain 1 To set Gain to zero press MENU select Gain and press ENT 2 Press 4 until the Gain
34. nu also allows you to change the file name or browse through data files on your MMC or SD card To change the file name 1 Press MENU select Loc RADAR DATA and press ENT Press 4 to File Name and press ENT 2 Press T to change the first letter then press gt to move to the next letter Repeat these steps until the desired name has been entered Press ENT Press EXIT To browse data files 1 Press MENU select Loc Rapar Data and press ENT Select BROWSE FILES and press ENT 2 Use T 4 to scroll through the available files Press EXIT EXIT When you select a file from the file browse menu you can copy delete play or stop playing a data file 19 Browse Files i 2 63MB free gt 16MB 8 11 04 Radar Chart Logging Start Logging i grla 8 26MB 2 14 06 File Name PARIL Alloktexpan MI8Mbmmc lcm 34 1MB MMC Card 2 63MB free Time Remaining 0 00 00 Browse Files selected from the Radar Chart Logging menu left Browse Files menu right To copy data files 1 Press MENU select Loc Rapar Data and press ENT Select BROWSE FILES and press ENT 2 Select the desired file and press ENT 3 The File Information window will appear with three buttons copy delete and either stop or play File Information Name Demo Radar Log Demo Radar Log rig Type Radar log Copy From Size 8 26MB Ic Date February 14 2006 Stop Map directory 0 bytes free a gt Delete Copy Cancel File Infor
35. rail Interval 1 Press MENU select ECHO TRAIL INTERVAL and press ENT 2 The Echo Trail Interval menu will display a series of intervals with options ranging from Continuous to Off Use 4 to highlight the de sired interval and press ENT Press EXIT NOTE This feature is best used in open water or when your vessel is sta tionary and you are tracking a moving target If Echo Trail Interval s on and your vessel is moving the display will be crowded with trails for every target including stationary targets like lighthouses and land Clear Radar Trails This feature is used to clear radar trails created with the Echo Trail Interval command To clear radar trails 1 Press MENU highlight CLEAR RADAR TRAILS and press ENT Log Radar Data If your unit has a hard drive LCX 28cHD LCX 38cHD LCX 113cHD GlobalMap 6600cHD GlobalMap 7300cHD GlobalMap 7600cHD 18 GlobalMap 8300cHD and GlobalMap 9300cHD the Log Radar Data feature will be available on the Radar menu allowing you to save radar logs Saving a radar log allows you to reuse the log in the unit s simula tor If your unit does not have a hard drive you will not see the Log Radar Data command on your Radar menu Radar Chart Logging Start Logging Browse Files File Name v Time Remaining 0 00 00 Log Radar Data menu To record a radar log 1 Press MENU select Loc RADAR DATA and press ENT 2 Press ENT to start logging The Chart Logging me
36. rtically Clutter undesirable echoes created by rain snow waves and other intermittent causes Course Up a stabilized display mode in which the current user selected course is represented at the top of the radar display This dis play mode requires a heading sensor EBL Electronic Bearing Line A radial line that can be rotated 360 the electronic bearing line is used to monitor the bearing of a ra dar target in relation to your location Echo reflected radio frequency pulse picked up by radar It is also an other name for a target image detected on the radar display Echo trail a history trail of the echoes for a particular radar target Gain used to adjust the sensitivity of the receiver to increase or de crease the intensity of images on the display Ghost Echo an undesirable image created when returns are reflected off other structures Heading Flash the green line on the radar display that shows the direction you are heading Heading Line Adjustment the Heading Line is used to make sure the green heading line zero point on your radar display is lined up the bow of your vessel Heading Up when your heading is displayed at the top of the screen you are in Heading Up mode Interference Rejection filters out signals from other radars close to your location 33 North Up a stabilized display mode in which North is at the top of the radar display This display mode requires a heading sensor Offs
37. t the process until the antenna comes to a stop in the desired position To adjust Antenna Park 1 Before adjusting Antenna Park make sure your vessel is stationary From the Radar Page press MENU select RADAR SETUP and press ENT 2 Press gt to ADJUsT ANTENNA PARK and press ENT The Park Adjust dialog box will appear in the upper right hand corner of the screen 3 Use gt to input the desired setting 4 Test your settings by putting the radar into STANDBY Mode Ob serve the location where the antenna stops Repeat the steps above un til the desired location 1s achieved Press EXIT You must not be moving when attempting to adjust Antenna Park set tings Your vessel must be stationary for the antenna to stop in the de sired position If you attempt to adjust Antenna Park while the vessel is underway or if the antenna stops in the desired position and you begin moving the wind will move the antenna out of position Radar Information Displays information about the radar like radar model radar status and software information To access radar information 1 Press MENU highlight RADAR INFORMATION and press ENT Press EXIT 23 Radar Power Turns the radar on and off To turn the radar on or off 1 Press MENU select RADAR Power and press ENT 2 A confirmation message will appear Select Yes and press EXIT Radar Simulator Your unit has a simulator that allows you to get familiar with radar operation before
38. that when radar is on a vessel the radar must be used at all times regardless of weather conditions or visibility Numer ous court decisions have not only ruled the radar must be used but that the radar operator must be knowledgeable in all opera tional aspects of radar performance or otherwise face a greater risk of liability if an accident occurs Caution If you purchased an open array radar antenna make sure it is installed in an area free of hardware obstructions and free of po tential obstructions like sails lines or other vessel components that could intermittently intrude or be caught up in the array antenna s rotation path WARNING High Voltage Hazard Dangerously high voltages are present within the radar scanner unit Technicians must exercise extreme care when working inside the unit ALWAYS remove power before removing the cover Some capacitors may take several minutes to discharge even after switching off the radar Before touching the magnetron or any high voltage components ground them with a clip lead 11 WARNING Microwave Radiation Hazard The microwave energy radiated by a radar antenna is harmful to humans especially to the eyes NEVER look directly into an open waveguide or into the path of ra diation from an enclosed antenna Radar and other ra dio frequency radiation can upset cardiac pacemakers If someone with a cardiac pacemaker suspects abnormal operation immediately turn off the radar equipment a
39. tus Expansion status Electronic Bearing Lines d y m i Variable Range Markers EBL3 234 5 R SK Lee VRM3 5 000NM EBL2 152 7 R EBL1 090 6 R Your unit has three electronic bearing lines and three variable range markers An enlarged example of EBLs and VRMs is on the next page EBL3 234 5 R EBL2 152 7 R EBL1 090 6 R Electronic Bearing Line position Variable Range Marker position for EBLs 1 2 and 3 Highlighted for VRMs 1 2 and 3 Highlighted in white EBL 2 is the active bear in white VRM 2 is the active ing line range marker PPI radar screen s 360 overhead view of the area Heading line in green Bearings in degrees in Heading Up mode relative to bow VRMs and EBLs allow you to track the distance and bearing of multiple radar targets Section 2 Radar Setup Before you begin radar setup the radar scanning unit RIM 300 mod ule radar processor and display unit all must be installed WARNING Do NOT attempt to execute Radar Setup while the ves sel is moving Some motion from wind and wave action is acceptable but these setup instructions are NOT in tended for vessels moving across the water Caution If you are unsure or do not understand the following instruc tions it is strongly recommended that an experienced radar technician handle radar setup and the installation of radar hardware Getting
40. tware update 2 Turn on the unit and the update will install automatically 3 When the update is finished the unit will power up normally After the update is complete remove the update MMC from the card slot The update program will be erased automatically when the process is complete You can now use this card to record sonar logs or GPS data NOTE Lowrance continues to regularly develop display enhancements and new radar features We recommend you periodically check our web site for the latest free radar software updates How to use this manual typographical conventions Arrow Keys The arrow keys are represented by symbols 4 gt Keyboard When a key needs to be pressed the key is shown in bold For example the Enter Icons key is shown as ENT and the Menu key is shown as MENU Menu Commands A menu command or a menu option will appear in small capital letters in a bold sans serif type like this ROUTE PLANNING Instructions Menu Sequences Instructions for accessing the My Trails menu would look like this 1 From the Map Page press MENU MENU 7 to My TRaiLs ENT Step 1 above means From the Map Page press the Menu key twice Select highlight My Trails menu and press Enter Basic Radar Display Components Range Range Ring Interval Gain level S Anti Sea N Interference Clutter Rejection 1 5 0 125 nm Display status mode Radar PONO Tran Radar Echo sta
41. uction manual 14 Radar Map and Sonar page display Radar Map and Sonar The Radar Map and Sonar page is broken up into three windows al lowing you to monitor the radar map and sonar simultaneously Radar Menu When a radar page is the active page you can access the radar menu by pressing MENU To access the main menu press MENU MENU Anti Sea Clutter STC Anti Rain Clutter FTC Interference Rejection Radar Range Radar Echo Expansion Echo Trail Interval Clear Radar Trails Radar Setup Radar Information Radar Power Radar Menu Gain The Gain feature allows you to adjust the sensitivity of the receiver Setting Gain to a low level will clear up some of the clutter on the screen but also could eliminate some desired echoes A high level of the Gain allows you to see greater detail around you but will display more clutter on the screen 15 NOTE When adjusting Gain back to a useable level increase the level un til you see a light peppering of echoes on the display Also remem ber you will have to adjust gain every time you change ranges To adjust Gain 1 Press PAGES select the Radar tab and press ENT 2 Press MENU highlight Gain and press ENT 3 Use T 4 to adjust the Gain to a desired level Press EXIT STANDBY dE STANDBY Gain vertical scrollbar left with Anti Sea Clutter scrollbar right Anti Sea Clutter STC The Anti Sea Clutter feature lowers receiver
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