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1.  7 is digital  we can pack it full of more  features than have ever been found in an ice sonar before  With an 8    customizable  dashboard display  superior target separation  12 level interference rejection  dual   beam transducer  expandable zoom  and much  much more  the LX7 is the perfect  combination of macro features and micro precision     Showdown 5 6 The Showdown 5 6 Digital Fish Finder delivers unmatched system  performance and offers the most intuitive and easy to use system on the market   This is due in part to the simplicity of ShowDown   s sonar presentation  as well as the  user friendliness of the interface  You will now spend more time actually fishing  less  time trying to figure out how to use and interpret what your sonar unit is showing you     The ShowDown   s Auto Depth Range feature means there   s no switching between  various depth ranges  Nor will you have to guess at bottom or depth itself  The  Showdown 5 6 immediately locks on to the proper depth range  while also displaying  digital depth at all times     Other standard features include Adjustable Zoom  Sensitivity  Range  and Noise  Reduction     Showdown DB The Showdown Dual Beam has all the feature of the Showdown 5 6   with the addition of a dual beam transducer than enables you to easily switch between  the standard 20 degree and a more precise 8 degree transducer cone angle    Showdown Troller Tne new Showdown Troller Digital Fish Finder is a palm sized sonar  device with full size perfo
2.  or if the direction appears to be incor   rect  Tilt of the camera  such as    nose down     or    nose up     will also cause  direction errors  Calibration can be used to compensate for a change in tilt   such as from the addition of weights or attachment of fins     Step 1   Before proceeding further  make sure the camera is suspended  and hanging freely on the cable  Make sure it is not swinging or rotating   The monitor must be on a level surface  Press F C to enter Step 2    Step 2   Without swinging or tilting  slowly rotate the camera on its cable  2 full revolutions  You may rotate it first one revolution one way  then  return to where it started  and then rotate one full revolution the other  way  Carefully  without tilting the camera  return it to its initial position   then press F C to enter Step 3  You will notice the first two columns of  numbers on the screen have changed     MarCu Versa Electronics www marcumtech com    TECHNOLOGIES    Step 3   Prepare the monitor for rotating on a level surface and press F C  to enter Step 4    Step 4   Slowly rotate the monitor on a level surface two full revolutions   You will now notice that the last two columns of numbers on the screen  have changed  Press F C to store the new calibration constants and exit  Compass Calibration  The display will briefly indicate    STORING       The compass sensors are now calibrated  To exit Compass Calibration and  return to the previous calibration  press DISPLAY while at Step 1  Pre
3.  turn the lighting system OFF  press  the light button a second time  When the lights are first turned ON  they will  be at the lowest intensity level setting  To increase the lighting intensity  press  the UP arrow key on the right side of the digital keypad  There are  4  intensity  level settings from low to high  To decrease the intensity of the lights while  the lights are ON  press the down key on the right side of the digital keypad   note  the lights always come on at the lowest intensity level   The amount of  LED light required will depend on the clarity and amount of particulates in the  water  Darker  stained water will require more light while clear water will have  sufficient light penetration therefore decreasing the need for LED intensity     Utilizing the RCA Jack  On the back of the monitor  you will find a yellow  RCA jack  This can be used to attach a larger monitor  or an external recording  device  There are many compact recording devices available that will work  great for capturing video  Be aware that the video signal coming from the   RCA jack is    analog     and most recording devices nowadays are    digital      This means that you will likely need a device that will convert the signal from  analog to digital in order to record  Any large retailer specializing in consumer  electronics will have these devices  and they are inexpensive and easy to use   It is amazing how much more you see    the second time around    when you  review recordings at h
4.  vary depending  on the condition of the battery  use of underwater LED lighting  level of screen  backlight  brightness  and LCD heater system     e Automatic 1 amp  3 stage battery charger   e Full 1 Year Warranty    e Removable visor to improve daylight viewing    Getting Started    The VS825sd has been set up and tested at the factory before being placed into  its retail packaging     Remove the VS825sd from the packaging and place it on a level surface with the  MarCum Technologies logo facing towards you and right side up  Open the top  cover of the soft pack by lifting up on the hook and loop closers on each side and  front of the soft pack  Once opened  loosen the knobs on the either side of the  gimbal bracket  at the base of the monitor  by turning each one counter clock   wise  Make sure to loosen the knobs a considerable distance  Than depress both  knobs by pushing inwards and hold in place  This releases the lock on the monitor    MarCum Versa Electronics www marcumtech com    TECHNOLOGIES    angle  While depressing the knobs with the base of your palms  use the index  fingers of each hand and gently lift the monitor up to the desired viewing posi   tion and release tension on the gimbal knobs  Once you have set the monitor   to the desired viewing angle  gently tighten the knobs until they are snug  The  battery  camera and cable are now accessible behind the monitor  It   s easiest   to remove the hook and loop straps and unzip the soft pack case     The batte
5. Eelt  VS825sd    TECHNOLOGIES Underwater Vie wing Syst em          www marcumtech com    MarCum Versa Electronics www marcumtech com    TECHNOLOGIES    Table of Contents    FOCON on tense een EK aa me ET TE ETE FO 2  Pe ee ee ee tE 2  GELD DAN e en nn er 3  Adjusting the Monitor and On Screen Display  OSD  Settings              4  Monitor screen adjustments   neee en 4  On screen Display  OSD  functions eenen 5  Ice Fishing APPlIGAHOM  star pened OE Re RA A 8  Open Water Application si su des we EER ER ESE Ee DE AE RE 8  installing and Using the VISOF sessie Sr ERRIEDA SR EE RD RE RS 9  Battery Eed ds aai Se ID ERG dr DERS OR de Er DE DA Re ND ae 9  Some common sense safety tips                       aaneen 9  To  charge YOUr Bate  sane sack eee nat sce nd kann dek Ree B 9  Product Performance Specifications        SE ES EE EE Ee Ese se 10  One Year EES TO OR nern dar san 10  How to OBN  elVEB RS ER SES RE RD ER ED RE DE 10  Introduction    Thank you for purchasing the VS825sd underwater viewing system from  MarCum Technologies  The VS825sd offers several technologies that are the  first of their kind  making this system the most technologically advanced under   water viewing system available     Using new technology such as an 8    Solar Intelligent  H2D display will deliver  the sharpest  most vivid display  even in bright sunlight  Color Kill technology  allows you to switch between a Color or Black and White image on demand   while maintaining crisp screen resolution  On 
6. On Screen Display  OSD  Settings    MONITOR SCREEN ADJUSTMENTS      The VS825sd monitor has six different adjustments that can be made to  enhance the image on the monitor to the user   s preference   Note  The  VS825sd has been pre set with factory defaults for normal viewing   To access  the settings menu  press the menu key on the digital keypad  The settings  menu will be displayed on the screen  note  if you wait too long before select   ing an adjustment  the menu screen will time out and disappear      To change between on screen adjustment choices  Brightness  Contrast   Sharpness  Color  Color Kill  and Backlight    When making adjustments for  Brightness  Contrast  Sharpness  Color  and Backlight  press the menu key to  get to your desired monitor adjustment option  The selected on screen adjust   ment will be highlighted on the LCD screen  To change the settings within a  selected menu  use the UP and DOWN arrows located on the far right of the  digital keypad  After pressing your selected menu option  the main menu will  disappear from the center of the screen  and your selected menu option will  appear on the bottom of the screen  You can now be able to easily adjust and  see the screen adjustments that you are making  As you select UP or DOWN  to make your adjustments  you will see the numbers of the selected adjust   ment increase or decrease depending on the arrow direction you are depress   ing  To accept the changes  release the UP   DOWN arrow and settings 
7. Screen displays of Camera  Direction  Depth  Temp and Battery Voltage take all of the guess work out of  your camera position so your new VS825sd can be used to hunt for underwater  treasures  locate the    spot on the spot     observe fish in their natural habitat   or learn how fish react to your lure or bait presentation  The applications are  endless  and it   s never been easier or more fun to view     Features    e 600v x 800h Solar Intelligent  H2D LCD monitor   equipped with a sophisti   cated  thermostatically controlled heater to enhance your viewing experience  in winter conditions  The daylight viewable monitor requires no sunshield  while viewing outdoors  Although classified as daylight viewable  it is recom   mended that you use the provided visor and turn the monitor away from  direct sunlight when using outdoors during the day  The ultra thin monitor  housing is sealed with a rubber gasket and all plug in connections are potted  to protect the internal electronics from the harsh elements     MarCum Versa Electronics www marcumtech com    TECHNOLOGIES    e Sony CCD Super HAD Il Camera   01 lux   Sony   s next generation low light  camera  In order to create an ultra clear  nearly HD picture  there needs to be a  matching high quality camera  This camera offers a 90   angle of view  giving the  user a wide coverage area for maximum visibility     The Manta camera design matches the high quality Sony Super HAD Il      Switch able CCD camera  to adjustable high i
8. e an impression of increased sharpness  so try this first      Color   Increasing the color saturation will increase the vividness but can  make the picture look darker overall  Decreasing the color saturation will make  the colors look washed out and gray     Color Kill   This feature allows you to switch between super high res color   and black and white with the push of a button  To access Color Kill  pressing  the UP   DOWN arrows after this menu option is highlighted  will select either  ON OFF  which will chance the display image from Color to Black and White  and back again  For viewing in low light  dirty water  or after dark  Black and  White viewing is recommended for optimal viewing  Clear or good water clarity  and daylight viewing is optimal for viewing in color  NOTE  The Color kill  feature will turn on automatically when the camera   s light sensor doesn   t  detect enough light for optimal color viewing  This can happen in low  light conditions  in deep water  or when the ice is very thick and or  covered with snow     Backlight   This enables the user to increase or decrease to overall bright   ness of the monitor without using the    Brightness     As a general guideline  set  the Backlight at its highest setting when outdoors  When in a darkened ice  fishing shelter  the highest Backlight setting may be brighter than necessary   so dialing this setting back may be desirable     ON SCREEN DISPLAY  OSD  FUNCTIONS    The MarCum VS825sd underwater viewing syst
9. e rear of the fin and locked into place  It is recommended that you  leave about six inches of excess cable  forming a loop  before locking the cable  into place  The camera can now be lowered into the hole to view what is directly  below you  This can be very helpful while fishing in shallow water     Open Water Application    To locate fish  look for treasure or find that perfect spot  simply turn the camera  power ON and drop the Manta camera into the water  If you   re drifting with the  wind or using a trolling motor with the VS825sd  attach the supplied trolling fin to  the rear of the Manta Camera for added stability  The internal weight is enough to  keep the camera down while the fin assists in keeping the Manta camera tracking  straight through the water  The direction  temp and depth indicators combined  with the solar intelligent H2D display makes this is ultimate search tool  Learn in  minutes what would normally take a lifetime to reveal through traditional sonar   Moving along at speeds of 1 mph or less will give the best viewing opportunities   It is a good idea to have a GPS and or a marker buoy at hand to quickly mark any  hotspots for future reference  This is a great way to learn new ice fishing hotspots   Imagine finding a rock pile that no one else on your lake knows about  Always  use extra caution when viewing around underwater obstructions  like boulders   cribs  or wrecks  If the camera becomes hung up  back up from the direction you  were traveling 
10. e wiring harness  It is normal for a green light to appear on the charger  at this time  Once connected  plug the transformer end of the charger into a   110 volt AC wall outlet  You will see a red LED light appear on the charger at   this time  When your battery is fully charged  this red light will change to green   Depending on the condition of your battery  this process can take up to 20 hours  to complete  At this time  you can disconnect the charger from the battery and  wall outlet  However  no harm will come to your battery if you leave it attached to  the charger     If you need to remove the battery  unplug the two battery terminals from the  battery  Remove the hook and loop strap that is holding the battery in place and  lift the battery out  To replace the battery  place a new battery of similar specifica   tions into the battery compartment and secure it with the hook and loop strap  and re connect the positive and negative terminals     Product Performance Specifications    BAE ee E E 12 volt DC  9 0 amp   Ciclo PEN EEE ee eee EG 12 volt DC  1 amp   Camera Image Sensor        2 222222    1 3    Sony SUPER HAD II CCD   Switchable  Color   Black and White    Ee de ass een 800 horizontal lines   Light Sensitivity                    cece ee 01 lux   Field of VIEW pe oi wa ea ea ae Beten 90 degrees   OHIO serene EE een 8    4 3 aspect TFT LCD  600v x 800h    Current Draw    600   1200mA  varies depending    on which functions are being used    One Year Warranty    V
11. em includes the most techni   cally advanced features available in an underwater fishing camera  This  system incorporates a variety of sensors and an On Screen Display  OSD    capable of displaying water temperature  water depth  battery voltage  and the  relative direction heading of the camera     The Manta camera contains a digital temperature sensor  a pressure sensor for  measuring camera depth  and an electronic compass sensor used to determine  the heading of the camera  The monitor base includes an additional compass     5     MarCu Versa Electronics www marcumtech com    TECHNOLOGIES    sensor used to determine the heading of the monitor  The OSD circuit  which  includes the control panel with the DISPLAY and F C buttons  receives data  from the camera  calculates the    relative    heading of the camera  and displays  temperature  depth  voltage  and heading  The heading is displayed as an  arrow which rotates around the perimeter of the screen  An arrow displayed  around the perimeter of the screen indicates which direction the camera is  pointing    relative    to the direction the monitor is facing  For this indication to  be accurate  the camera must be suspended by the cable  and the monitor  must be on a level surface  If either the camera or the monitor rotates  so will  the arrow  An arrow at the top center of the screen indicates that the camera  and monitor are facing in the same direction  An arrow at the left indicates  the camera is pointing to the lef
12. ersa Electronics warrants this product to be free from defects in materials and  workmanship for one year from the date of purchase  This warranty applies to  customers who properly fill out and return the warranty card included with this  manual  Failure to complete and return the warranty card voids the warranty   Versa Electronics will  at its sole discretion and without charging the customer   repair or replace any components that fail in normal use  Failures due to abuse   misuse  or unauthorized alteration  modification or repair are not covered    The warranty is valid only for the original owner who purchases the unit from  an authorized dealer  Products purchased from on line auction sites are not  considered under warranty     How to Obtain Service    REGISTER YOUR PRODUCT ON LINE AT MARCUMTECH COM    We want our products to provide you with a pleasant on the water experience   That means maximum customer satisfaction  If you have a problem with your unit  please contact Versa Electronics toll free number at  888  778 1208 for a Return  Authorization Number  RA   or e mail us at service versae com  No service  returns will be accepted without this return authorization number  which must   be clearly marked on the outside of the package  Versa Electronics retains the  exclusive right to repair or replace the unit at its discretion     210     MarCum Versa Electronics www marcumtech com    TECHNOLOGIES    The customer is responsible for shipping costs associated with 
13. f the fastener on the  visor may now be married to the hook tape on the monitor  providing shade for  those sunny days     Battery Charging    Your Marcum system comes with a 3 stage battery charger  This style of  charger has proven to be the most effective and easiest to use of all charging  systems available  While the rate of charge is low  a completely discharged  battery can be brought back to a full charge in as little as 12 hours  Because  this is a 3 stage charger  there is no danger of overcharging your battery  When  properly cared for  a sealed lead acid battery will last for at least a couple of  years  Batteries are made to be used  and they need to be used to make the  most of them  The most important thing you can do is to promptly recharge your  battery after each use  Not charging your battery immediately after use is the  number one thing that leads to battery failure  When you get home from a trip   put your battery on charge right away  and leave it there overnight  or for around  8 12 hours  We often talk to people who hesitate to charge their battery after  each use for fear that the battery will develop a    memory    and this will lead to   a shortened run time   THIS IS FALSE    ALWAYS CHARGE YOUR BATTERY  AFTER EVERY USE    Be sure to use the charger that came with your system  or  a similar one that is between  5 amp and 1 amp  Using a larger charger  like you  would use on a car  truck  RV  or boat is likely to cause damage to the battery   There 
14. from and slowly try to back the camera out of the snag  DO NOT  pull directly upward with force unless all other avenues have been pursued     If you spend a lot of time using your Viewing System from your boat  it is  inevitable that you will encounter some weather  While your VS825sd system is  designed to be used in a variety of conditions in the outdoors  it is recommended  that anytime you experience precipitation that is more than a light rain  you should  immediately turn off and stow your entire viewing system  At no time should the  monitor be in direct contact with large amounts of water  Should your viewing  system become wet  it is unlikely that any harm will come to it  but make sure to  get the entire system completely dried out as soon as possible     MarCum Versa Electronics www marcumtech com    TECHNOLOGIES    Installing and Using the Visor    You VS825sd package includes a visor that was custom designed to fit snugly  around the monitor  This visor will help to shroud the monitor and improve your  viewing during sunny conditions  The visor is easily attached or removed by  using the hook and loop fasteners  It is strongly advised that you install the hook  side of the hook and loop fastener to the monitor while still at home  Make sure  the monitor is clean  warm  and dry  Peel the    hook    tape from the visor  and  then peel the tape backing off  You may now apply the sticky side of the tape  around the perimeter of your monitor  The    loop    portion o
15. is really very little danger of overcharging your battery with a low amp  charger  and most chargers automatically go into    maintenance mode    once a  full charge has been achieved     A 3 Stage charger works like this       Stage 1  Bulk Stage   Constant current charging at a high voltage level at  maximum amperage to minimize charge time    Stage 2  Absorption Stage   Current tapers off for final 10  of charge    Stage 3  Maintenance Stage   Lower voltage mode to prevent electrolyte loss   keeping your battery at full charge indefinitely     Some common sense safety tips     For safety reasons  it is recommended that you place your system on a flat  hard  surface like cement or tile when charging it  away from any flammable materi   als  Be sure to disconnect the charger from the wall when not in use  and avoid  leaving your battery hooked up to the charger for extended periods of time     To charge your battery     Your battery has a wiring harness attached to it that has    piggyback    terminals  on it  enabling you to keep the power cord from the unit attached to the battery  at all times  as well as having the wiring harness with receptacle for your charger    MarCum    TECHNOLOGIES    Versa Electronics  3943 Quebec Avenue N   Minneapolis  MN 55427    RA     Note  The RA number must  be clearly marked on the  outside of the package       Versa Electronics www marcumtech com    attached at all times  To charge  simply couple the end of the charger with the  end of th
16. ntensity white LEDs  This lighting  option incorporates MarCum   s exclusive Darkwater lighting technology  Dark   water technology greatly reduces particulate reflection and increases viewing  distance by positioning the lights above and behind the actual camera lens  The  Manta camera incorporates internal ballast weights within the camera housing   The amount of weight is ideal for trolling at low speeds or keeping the camera  tracking smooth in current  For added open water stability or to use as a down  view camera  the fin  included  snaps into the rear of the Manta camera   housing with ease     e Color Kill Technology   Switch between Color and Black and White on demand   e OSD   On Screen Displays of  Direction  Depth  Temp and Battery Voltage   e 75 feet of high strength  flexible camera cable    e Manta camera design utilizing Darkwater technology lighting system    e Super high intensity white LED lights for low light viewing    e Front keypad control panel for one touch menu and on screen display   e Removable down viewing and trolling fin    e Video Output jack for attaching to external monitor or recording device    e 90   cable connections to prevent cable wear     e Padded soft pack encompasses internal molded case that stores battery  camera  cable  and Manta camera  Provides for maximum portability and protection     e 9 0 amp 12v rechargeable battery  This battery will provide up to 11 hours of  continuous use during ideal conditions  Battery run time will
17. ome     MarCum    Versa Electronics www marcumtech com    Ice Fishing Application    The VS825sd can be used to search for that perfect weed line or locate the   crib or rock pile where fish will generally school  entertain the kids  or as the  perfect tool to enhance your ice fishing experience  To use as a search tool  drill  a series of holes through the ice in the location you   re interested in fishing  The  VS825sd is small enough to hold in your arms while walking from hole to hole   Drop the camera down each hole in search for the best spot or until you locate  fish  Keep your eye on the directional and depth indicators to pinpoint the fish   s  hideout  Once you ve located the spot  drill a hole 3 or 4 feet away from the hole  you   re actually going to fish in  Set the VS825sd on the ice and lower the camera  down the second hole  To assist in keeping the camera at the desired depth and  direction  it is recommended that an Automatic Camera Panner with Remote   purchased separately  be used  Once you send a lure or bait down and locate it  with the VS825sd  you   re ready to fish  The depth and direction and temp indica   tors on the VS825sd can be changed at any time by pressing the OSD Display  button  Lower or Raise the camera and rotate the head with your fingers or the  Camera Panner     The VS825sd also includes a down viewing fin that snaps into the back of the  Manta camera  Once the fin is attached  the camera cable can be inserted through  the cutout at th
18. returning the  unit to Versa Electronics  Versa Electronics will pay for shipping the repaired unit  back to the customer while it is still under one year warranty  All out of warranty  services will be charged a fee for service and shipping which must be paid in  advance  After obtaining a Return Authorization number  the unit should be  securely packed and shipped    pre paid freight    and insured to Versa Electron   ics  It is the consumers    full responsibility to track their products sent out in the  mail or other forms of delivery service  Versa Electronics will not be liable for lost  packages sent to us  Unless specified otherwise  do not include batteries or other  accessories when returning the product for repair  Versa Electronics will not be  responsible for lost or damaged accessories     These are some other great systems from Marcum     These items can be purchased from one of our many fine retailers  or direct from  us at marcumtech com    LX5 The LX 5 is the most advanced flasher style sonar on the market  The LX 5 incor   porates the latest in sonar technology  featuring a patented flexible zoom that can be  set anywhere between surface and bottom  a patent pending TrueColor display  2500  watts of peak to peak power  patented signal interference rejection  Superfine Line  Technology  and target separation down to 3 4 inch     LX7 The LX 7 Digital Sonar takes DNA from other fine Marcum sonars  you might say  it was    bred    for excellence  Because the LX
19. rmance  For use in either ice fishing or open water situa   tions   quickly    troll    from hole to hole while ice fishing or shoot through your canoe or  kayak in order to find fish and the correct depth  The ultimate in portability is matched  to ShowDown   s proven Crystal Quick   vertical display  The sonar instantly locks on to  bottom  and clearly displays the location of fish and your lure  anywhere in the water  column     de       MarCum    iia    TECHNOLOGIES OGIES    www marcumtech com       MarCum User Manuals are available for download from  www marcumtech com     
20. ry has a wiring harness with    piggyback    terminals attached  The  power cord from the monitor attaches to this  the positive  red  terminal should  already be attached  You should only have to attach the negative  black    wire to the negative terminal  and you   re ready to go  The other cord coming  from the battery is the port to attach your battery charger  more on that in the  section on charging  There is no reason for you to disconnect any of these  wires unless you are going to remove replace the battery     To turn ON the VS825sd  press the power key which is located on the keypad  on lower left side on the front of the monitor  After pressing the power key    a small red LED indicator light   located next to the power button   will turn  ON  The monitor should now be displaying the image being transmitted from  the camera  The camera can now be unwrapped from the cable spool and  deployed into the water to the desired depth     The depth of field  distance the camera can see underwater  depends on the  clarity of the water and available light at the depth the camera is used  In clear  water  the depth of field can be many feet but in cloudy or muddy water the  depth of view can be reduced to only a few inches due to particles suspended  in the water  Dirty or muddy water and or low light penetration can detract  from the quality of the color picture  Optimum color quality will result from  clear water and adequate light penetration     Adjusting the Monitor and 
21. ss   ing DISPLAY at any time after Step 1  i e  Steps 2  3  or 4  will exit Compass  Calibration and return to the factory default settings     The numbers on the screen can be largely ignored  The digits in the first two  rows indicate raw compass data coming from the sensors  the third row indi   cates calculated sensor offsets  and the fourth row indicates compass sensor  scale factors  You will notice these numbers change as either the camera or  monitor is rotated     Depth Calibration  Since the depth sensor is sensitive to barometric pres   sure changes  it is automatically zeroed each time the unit is turned on  If the  unit is turned on while the camera is already under water  the previous stored  zero is automatically recalled  If the depth display ever indicates a non zero  depth with the camera out of the water  possibly due to a change in baromet   ric pressure  a quick press of both buttons will force the display to zero     Lighting  The VS825sd utilizes super high intensity white LED lights  The  VS825sd incorporates Darkwater technology which greatly reduces particulate  reflection and increases viewing distance by positioning the lights above and  behind the actual camera lens     To turn the lighting system ON  press the key titled LIGHTS  located on the  digital keypad on the front of the monitor  By pressing the key  a small green  LED light to the right of the button will be illuminated  This indicates that the  high intensity white LED lights are ON  To
22. t relative to the direction the monitor is facing   Down indicates behind  and right indicates to the right  The arrow will move  around the perimeter of the screen indicating all positions  The corners corre   spond to relative angles at the 45 degree marks  When enabled  the tempera   ture  voltage  and depth are also displayed along the top     DISPLAY  Each press of the OSD DISPLAY button will toggle the unit through  its various display modes     Mode 1  Mode 2  Mode 3  Mode 4    Direction  temperature  depth    default  Direction and depth    Direction only    all OSD off      Dal ATA    F C  Each press of the F C button will alternate the units between Fahrenheit  and Celsius  and Fresh and Salt water  In addition  with each initial press of  the F C button  the battery voltage and current water mode  either Fresh or  Salt  is displayed briefly     CALIBRATION  The systems contain sensors which measure water tempera   ture  relative direction  and depth  The temperature sensor is pre calibrated   The compass sensor may be calibrated with a sophisticated calibration  routine contained within the microprocessor software  The Depth sensor  automatically calibrates itself  and can optionally be manually zeroed     Compass Calibration  Pressing and holding both buttons simultaneously for  several seconds will cause the unit to enter Compass Calibration mode  This  is only necessary if the user suspects the camera or monitor compasses have  become magnetized for some reason 
23. will  be saved  Once the settings are adjusted properly  the on screen menu will    MarCu Versa Electronics www marcumtech com    TECHNOLOGIES    shut off automatically  Occasionally  you may find that one of your settings will  not adjust  By simply scrolling through the menu options and coming back to  the setting that wouldn   t adjust a second time  you will automatically reset the  internal timer  enabling that setting to be adjusted     Brightness   This increases how bright the individual pixels on your screen  will illuminate  Different lighting conditions and water clarity will affect how   you may want the brightness to be set  Too much    Brightness    can cause the  image to have a washed out look  To increase the overall brightness  you may  want to use the    Backlight    feature   See below     Contrast   Contrast is the difference in brightness between lightest and  darkest tones in a picture  A picture with too much contrast has highlights   lighter tones  that are too bright and no detail and shadow areas that are too  black  A picture with too little contrast looks dull  with no true blacks and more  grayish highlights  Different water clarities coupled with the amount of light  available will affect the contrast  Adjust the contrast to the desired setting for  the best overall picture     Sharpness   Sharpness is the amount of high frequency detail in the image   Adjust the sharpness according to personal preference   Note  increasing the  contrast can giv
    
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