Koden CVS-FX2BB Basic Operation Manual
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Koden CVS-FX2BB Basic Operation Manual

Color echo sounder
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  • Page 2: Declaration Of Conformity

    Declaration of Conformity (As referred to in Annex IV 2. of Directive 2004/108/EC) Declares under his sole responsibility that the produced Echo Sounder manufactured by Koden Electronics Co., Ltd. 5278 Uenohara Uenohara-Shi Yamanashi-Ken 409-0112, Japan Telephone +81 554 20 5860...
  • Page 3 Declaration of Conformity (As referred to in Annex IV 2. of Directive 2004/108/EC) Declares under his sole responsibility that the produced Echo Sounder manufactured by Koden Electronics Co., Ltd. 5278 Uenohara Uenohara-Shi Yamanashi-Ken 409-0112, Japan Telephone +81 554 20 5860...
  • Page 4 Koden Electronics Co., Ltd. The technical descriptions contained in this publication are subject to change without notice. Koden assumes no responsibility for any errors, incidentals or consequential damages caused by misinterpretation of the descriptions contained in this publication.
  • Page 5  Koden is not liable for any damages caused by earthquake, lightning, wind and flood damage and fire for which Koden is not responsible, and actions by third parties, other accidents, customer’s unintended error/abuse and the use under other abnormal conditions.
  • Page 6 When the inside is to be checked, ensure to switch off the power and to discharge the residual voltage for safety. An engineer authorized by Koden shall carry out the inspection and maintenance works.
  • Page 7 In case of failure, please Warning contact Koden’s dealers or Koden. In case of smoking or firing, switch off the power in the boat and of this equipment. It may lead to firing, electric shock or damages.

  • Page 8: Table Of Contents

    CVS-FX2/FX2BB Contents Contents Document Revision History ....................... i Important Notice ........................ii For Your Safe Operation ......................iii Contents ........................... v Introduction ..........................vii Chapter 1 Preparation ....................1-1 1.1 To use keys ........................1-1 1.2 Power On/Off ........................1-3 1.2.1 Power On ..........................
  • Page 9 Contents CVS-FX2/FX2BB 3.1.1 To use [CM] key for switching screen modes ..............3-2 3.1.2 To use [CM] keys as one touch switch to the memorized setting to the fishing positions .. 3-6 3.1.3 Use [CM] keys as screen mode switching and one touch switch of setting: ....3-10 Chapter 4 Useful operation ...................
  • Page 10 CVS-FX2 is the 15inch LCD color echo sounder that can display images in 4 optional frequencies. CVS-FX2BB is the Black Box type without the display unit of CVS-FX2, for which customer can select the display monitor of preference. The external monitor and connecting cable are user supply.

  • Page 11: Chapter 1 Preparation

    VS-FX2/FX X2BB hapter 1 P Preparation Chapte er 1 Pre eparatio To use key Key boar rd of CVS-F FX2/CVS-F X2BB 15 16 9 10 Key Nam Descriptio [BRILL Press: P Power on. A Adjusts brillia ance of the screen and panel.
  • Page 12 Chapter 1 Preparati S-FX2/FX2 [← │←/NAV] Pres ss: Changes s the image scroll speed g-press: Dis splays the n avigation sc creen. VENT] Pres ss: Outputs the present position or the event cursor po osition in TL LL sentences s. Store ima age.

  • Page 13: Power On

    VS-FX2/FX X2BB hapter 1 P Preparation Power On /Off .1 Power O ess the [BRI ILL ] key to p power on. e start-up s screen is d displayed. O On start-up p, the intern nal memory y (ROM an nd RAM) is omatically checked.
  • Page 14 Chapter 1 Preparati S-FX2/FX2 1.2.2 Pow wer Off Keep pres ssing the [B BRILL ] ke r 3 second ds to power r off. After countdown n for power shu t down, whe en the indic cation below w is displaye ed, release the finger o off from the...
  • Page 15 VS-FX2/FX X2BB hapter 1 P Preparation To use Me S-FX2 and CVS-FX2B BB have two o kinds of m menu, [ME NU] and [S UBMENU]. e operation of the both menus is b basically the e same. .1 Open/C Close the M Menu To d display the...

  • Page 16: Operation Of The Menu

    Chapter 1 Preparation CVS-FX2/FX2BB 1.4.2 Operation of the Menu Press [▲] key or [▼] key of to select a menu item while Menu is displayed. List of the setting items changes to the corresponding contents with the selected menu item. Menu column Setting item column Setting value column Press [ ] key of...
  • Page 17 VS-FX2/FX X2BB hapter 1 P Preparation ess [ ] key o . ., a and the sett ting box app pears with th he correspo onding sele ction items. ess [▲] key or [▼] key to change t the setting. ess [ ] key r [SUBMEN NU] key...
  • Page 18 Chapter 1 Preparati S-FX2/FX2 1.4.3 pen/Close o of Submen To display the Subme enu, press th he [SUBME ENU] key List of Sub bmenu items s, operation n guide box x and functio on guide bo ox are displa ayed as sho below: Name of the sele...

  • Page 19: Operation Of Submenu

    CVS-FX2/FX2BB Chapter 1 Preparation 1.4.4 Operation of SUBMENU Press [▲] key or [▼] key of to select a menu item during SUBMENU is displayed. List of the setting items changes to the corresponding contents with the selected Submenu item. Menu column Setting item column Setting value column Press [ ] key of Cursor appears in the setting item column.
  • Page 20 Chapter 1 Preparati S-FX2/FX2 Then, pres ss [ ] key o , an nd the settin ng box appe ears with th e correspon nding selec ction items. Press [▲] key or [▼] key of to chang ge the settin To return t the cursor to the set...

  • Page 21: To Read Echo Sounder's Screen

    CVS-FX2/FX2BB Chapter 1 Preparation 1.5 To read echo sounder’s screen A screen of echo sounder consists of the header display in a gray color stripe at upper portion and the image display part of the echo sounder. The header display indicates setting status of various functions by icons for easier understanding.
  • Page 22 Chapter 1 Preparation CVS-FX2/FX2BB Gain (TD) L2: Gain value of low frequency 2 L1: Gain value of low frequency 1 H2: Gain value of high frequency 2 H1: Gain value of high frequency 1 CM icons CM1 on display CM2 on display CM3 on display CM4 on display CM5 on display...
  • Page 23 CVS-FX2/FX2BB Chapter 1 Preparation Display portion of echo sounder images Name Description Time marker indicates the image scroll speed. White/Black and Green/Black switch at every 5 minutes. : White/Black indicates 10 seconds. : Green/Black indicates 10 seconds. : White/Black indicates 1 minute. : Green/Black indicates 1 minute.
  • Page 24 Chapter 1 Preparati S-FX2/FX2 1.6 Adjust tment of br rilliance for r comfortab ble viewing 1.6.1 Adju ustment of f LCD brillia ance The brillian nce of scree en can be a djusted with h [LCD Brill ]. (Only CV VS-FX2) Each time [BRILL...
  • Page 25 VS-FX2/FX X2BB hapter 1 P Preparation .2 Adjustm ment of pan nel brillianc e brilliance o of display p panel can be e adjusted a at [Panel Br rill] r CVS-FX2 ch time [BR RILL ] key is p pressed, [LC CD Brill] and d [Panel Bri ll] are switc...

  • Page 26: Chapter 2 Basic Operation

    CVS-FX2/FX2BB Chapter 2 Basic operation Chapter 2 Basic operation 2.1 Switch screen images (Setting up of CM menu) At setup of CM* Menu, images on screen can be switched over. If the setup of CM Menu is registered in [CM] keys, there is no need to operate CM Menu at every time of change of images.
  • Page 27 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 4. Pres s [ENT] key 5. Movi ng the curs sor with , selec ct [Normal], [Mix] or [O OFF] in the e Standard Echo Displ lay items of f high freque ency 2, and d press [EN T] key...
  • Page 28 S-FX2/FX2 Chapt ter 2 Basic c operation 2.1.2 Setting frequency to match t the transdu ucer to be u used On C CVS-FX2/FX X2BB, the f frequencies s used for 4 4 screens ca an be set in n a range o of 24 to 240 kHz.
  • Page 29 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 6. Increas se or decrea ase the valu ue with [▲] and [▼] ke ey of to set freq quency. [▲] ke ey: The num meric value increases. [▼] ke ey: The num meric value d decreases.
  • Page 30 CVS-FX2/FX2BB Chapter 2 Basic operation Setting up of frequency: Relation between a transceiver and display screen For CVS-FX2/FX2BB, there are two types of transceiver for high frequency and low frequency, and each transceiver has two channels of channel 1 and channel 2. High frequency 1 is the channel 1 for high frequency.
  • Page 31 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 2.1.3 Disp playing of z zoom imag To display zoom imag ges: 1. Press t the [CM] ke ey used (Lig hts red [CM M] key). When C CM1 is lit re ed, press th e [CM1] ke 2.
  • Page 32 CVS-FX2/FX2BB Chapter 2 Basic operation Types of zoomed images 1. Bottom Normal images Zoom range Bottom images Sea bottom is fixed at 10% bottom of the screen, and the image above is displayed in the specified zoom range. As the image on sea bottom is magnified, this is an effective zooming mode to identify fish schools, etc.
  • Page 33 Chapter 2 Basic operation CVS-FX2/FX2BB 2. Bottom discrimination Normal images Zoom range Bottom discrimination Sea bottom is fixed at 30% bottom of the screen, and the image of bottom is displayed in the specified zoom range. As the sea bottom image is magnified, this is an effective zoom mode to judge the sea bottom condition.
  • Page 34 S-FX2/FX2 Chapt ter 2 Basic c operation 3. Z Zoom Norma Zoom ran images Zoom part Specifying a shift pos ition, the im mages unde er the posi tion is disp played in th he specified zoom range As the zoom med image at the spec cified positio...
  • Page 35 Chapter 2 Basic operation CVS-FX2/FX2BB 4. Bottom zoom Bottom zoom Normal images Mixed images above bottom in a specified zoom range are displayed onto the normal image. This is an effective mode to identify fish schools, etc. near sea bottom with watching the geomorphic changes of sea bottom.
  • Page 36 S-FX2/FX2 Chapt ter 2 Basic c operation 5. B Bottom follow w zoom Normal images Zoom ran Bottom follow zoom In a specifie ed zoom ran nge, the se a bottom is displayed by automat tic shift to be e displayed within a ran nge between n 30 % and...
  • Page 37 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB To change e the range e of zoome d images When the icon o show the mode of [R Range] and d [Shift] key s is in hea der display y , the range of th he zoomed images can...
  • Page 38 S-FX2/FX2 Chapt ter 2 Basic c operation Scre een Width o of Zoom Im mage: screen wid dth of zoom med images s can be ch hanged to 3 3 steps of [Wide], [Me edium] and rrow] depen nding on pr eference.
  • Page 39 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 4. [Disp. S Setup 1] of Menu is dis splayed. W With [▲] or [ [▼] keys of , po oint the curs sor to [Width o of Zoom Ima age]. Disp. Se etup1 dth of Zoom m Image...

  • Page 40: Display Of Mixed Images

    CVS-FX2/FX2BB Chapter 2 Basic operation 2.1.4 Display of mixed images Mixed images are combination of high and low frequency images by signal processing. The main purpose is to identify small fish, such as whitebait, from other fish school. There are 5 types for mixing methods and they are switchable in application.
  • Page 41 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB To display y mixed im ages: 1. Press [C CM] key use ed (Lights re ed). When C CM1 is lit re d, press it 2. CM men nu is display yed. 3.
  • Page 42 S-FX2/FX2 Chapt ter 2 Basic c operation To ch hange the type of mix xed image: 1. Pr ress [MENU U] key 2. Th he menu is d displayed. M Move the cu ursor to [Dis sp. Setup1] with [▲] or r [▼] keys o 3.
  • Page 43 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 5. Press [ ] key of 6. [Mix] of the menu i is displayed d. Move the e cursor to the desired d mix type w with [▲] an d [▼] keys of select.

  • Page 44: Selection Of Pulse Length

    CVS-FX2/FX2BB Chapter 2 Basic operation 2.1.5 Selection of pulse length Pulse length can be switched to 4 steps: of Short, Medium, Long and Fixed. This change of pulse length causes changes in resolution of images from the echo sounder and the signal to be displayed changes. Shorter pulse length increases resolution, but its power decreases.
  • Page 45 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 4. Press [E ENT] key 5. Repeat t the procedu ures 3 and 4 4 above for r pulse lengt th of high fr requency 2, low freque ncy 1 and low w frequency 6.
  • Page 46 S-FX2/FX2 Chapt ter 2 Basic c operation 4. [M Manual Set] of menu is displayed. Move the c cursor at [P ulse Length h HF1] with h [▲] or [▼] eys of 5. Pr ress [ ] of 6. [P Pulse Lengt th HF1] of the menu...

  • Page 47: Selection Of Frequency Bandwidth

    Chapter 2 Basic operation CVS-FX2/FX2BB 2.1.6 Selection of frequency bandwidth Frequency bandwidth can be switched to 4 steps: Narrow, Medium, Wide and Fixed. The change of frequency bandwidth results in change of the resolution of echo sounder and change of signals in the displayed images. If the frequency bandwidth is wide, the resolution becomes high.
  • Page 48 S-FX2/FX2 Chapt ter 2 Basic c operation 4. Pr ress [ENT] k 5. Re epeat the pr rocedures 3 3 and 4 for f frequency b bandwidth o of high frequ uency 2, low w frequency and low fre equency 2 6.
  • Page 49 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 4. [Manual Set] of the menu is dis splayed. Mo ove the curs sor to [Band dwidth HF 1 1] with [▲] o or [▼] keys of 5. Press [ ] of 6.
  • Page 50 S-FX2/FX2 Chapt ter 2 Basic c operation 2.1.7 7 Selection n of gain ch hanging m method -FX2/FX2B BB can disp lay images up to 4 fre quencies a nd gain can n be adjuste ed for each imag ges. Adjustm ment of gain n is individua ally done w...
  • Page 51 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 2.2 Adjus stment of e echo sound To use ech ho sounder r, it is neces ssary to adj just depth r range (Ran ge) and ga ain dependin ng on the circum stances.
  • Page 52 S-FX2/FX2 Chapt ter 2 Basic c operation When [Auto o Range] is set, [Auto R Range] is di splayed in t the header s showing Ra ange Mode. When [Man nual] is set, display of th he header s showing the e Range Mo ode disappe ears.
  • Page 53 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 2.2.2 Swit tching of N Normal/Zoo om for rang ge and shif ft operation The range key has tw wo functions s of “to chan nge range o of normal im mage” and “ “to change r range of zoomed...
  • Page 54 S-FX2/FX2 Chapt ter 2 Basic c operation 2.2.3 3 Manual c change of a a range for r normal im mage n Range m ode is Man ual, the ran nge can be c changed m anually. In m manual rang ge, each ti me range key is pre...
  • Page 55 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB Switching g the range operation to “Chang ge with [All Screens S Same]” or to o “Change e with [Scr. Indiv vidual]: 1. Press [M MENU] key 2. The men nu is displa yed.
  • Page 56 S-FX2/FX2 Chapt ter 2 Basic c operation 6. [R Range Opera ation] of me enu is displa ayed. Movin ng the curso or with [▲] o or [▼] keys elect [All Sc creens Sam e] or [Scr. I ndividual]. 7. Wh hen [MENU] is pressed d, the menu...
  • Page 57 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB To registe er ranges: 1. Press [M MENU] key 2. The men nu is displa yed. Move the cursor t to [Range S Setup] with [ [▲] or [▼] k keys of 3.
  • Page 58 S-FX2/FX2 Chapt ter 2 Basic c operation 6. [R Range1] of t the menu is s displayed . Set range e by increas sing or decr reasing num meric value with [▲] or [▼] keys of ・ The numeric va alue increas ses with [▲] ] key.
  • Page 59 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB T o change e ranges: 1. When th he header d display is , range of f normal ima ages can be e changed. If the he eader displa ay is press [NOR RMAL/ZOOM M] key to turn to...
  • Page 60 S-FX2/FX2 Chapt ter 2 Basic c operation To sw witch the o operation s screen for i individual r range: 1. A At the left b bottom cor ner of eac ch screen, nothing is shown, or r [Gain kno ob icon] of (red) or green) is dis...
  • Page 61 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 2.2.4 Man nual chang e of shift p positions o of normal im mages When Ran nge Mode is s set at man nual, shift ca an be chang ged manua lly. In the man nual shift, th ere are two...
  • Page 62 S-FX2/FX2 Chapt ter 2 Basic c operation To sw witch shift operation into “Chan nges with [ [All Screen s Same] “o or “Change e with [Scr. Indiv vidual]”: 1. Pr ress [MENU U] key 2. Th he menu is d displayed.
  • Page 63 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 6. [Shift Op peration] of the menu i s displayed d. Move the cursor with h [▲] or [▼] ] keys of and sel ect [All Scre eens Same e] or [Scr. In ndividual].
  • Page 64 S-FX2/FX2 Chapt ter 2 Basic c operation To s witch over r the shift o operation t type: 1. Pr ress [MENU U] key 2. Th he menu is d displayed. M Move the cu ursor to [Sh hift Setup] w with [▲] or [ ▼] keys of 3.
  • Page 65 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 6. [Shift Ty ype] of the m menu is disp played. Mov ve the curso or with [▲] or [▼] keys s of and to s select one of [Numer rical Value] , [Range D Dependant], , [Preset V...
  • Page 66 S-FX2/FX2 Chapt ter 2 Basic c operation 3. Pr reset Value otal 8 shift p preset from [Main Menu u], [Shift Se etup], [Shift Preset1] to o [Shift Pres set8] can be witched eac ch time shift t key is pres ssed.
  • Page 67 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 4. [Range Setup] of th he menu is displayed. Move the c cursor to [Sh hift Preset1 ] with [▲] o or [▼] keys of 5. Press [ ] key of 6. [Shift P reset1] of t the menu is s displayed...
  • Page 68 S-FX2/FX2 Chapt ter 2 Basic c operation To c hange shif 1. W When the hea ader display y is shift of norm mal images c can change When the he ader displa y is press [NOR RMAL/ZOO OM] key to turn t 2.
  • Page 69 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB To switch ON/OFF of f shift: 1. Each tim me [SHIFT T/M OFF] ke is p pressed , th he shift is sw witched on or off. The ic con showing g the shift co onditions in n header dis splay chang...
  • Page 70 S-FX2/FX2 Chapt ter 2 Basic c operation 2. To o turn [Gain n knob icon] ] to (red), pres ss [GAIN-L/ /SEL] for the left screen and GAIN-R/SEL for t the right scr reen until [G Gain knob ic con] turn ns (red).

  • Page 71: Adjustment Of Image Gain

    Chapter 2 Basic operation CVS-FX2/FX2BB 2.2.5 Adjustment of image gain On CVS-FX2/FX2BB, gain of 4-frequency images can be adjusted individually. For gain adjustment, there are two modes: individual mode and synchronized mode. In the individual mode, the gain is adjusted individually on a selected operation screen. In synchronized mode, the gain on all screens are adjusted all together by one gain adjustment knob after gain adjustment is optimized individually for each screens.
  • Page 72 S-FX2/FX2 Chapt ter 2 Basic c operation 3. Pr ress [ENT] k 4. Pr ress [CM1] key (lights r red [CM] ke o close CM menu. For a adjustment t of gain pe er screen ( (individuall ly):  In the case of f single freq quency scre...
  • Page 73 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB When [G GAIN-L/SEL or [G GAIN-R/SEL are t turned to rig ght, the gain increase es, and whe en turned to left, the ga in decrease  In the ca ase of 3-freq quency scre een: Regardle...
  • Page 74 S-FX2/FX2 Chapt ter 2 Basic c operation  In the case of f 4-frequenc cy screen: egardless of f frequency , the gain o of two left sc creens (Low w frequency y 2/Low freq quency 1) is erated with h [GAIN-L/S SEL] and the ga...
  • Page 75 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB To adjust the gain: The gain c can be adjus sted on the screens on n which [Ga in knob icon n] of (red) or green) is dis splayed at t he lower lef When gain n knob is no ot displayed...
  • Page 76 S-FX2/FX2 Chapt ter 2 Basic c operation For g gain adjust tment of al l screens a at the same e time (syn nchronized 1. At CM1, pres s [CM1] key Lights red [C CM] key). 2. CM M menu is d displayed.
  • Page 77 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB For gain a adjustment t of all scre eens at sam me time (sy ynchronize 1. If [GAIN N-L/SEL] or [GA AIN-R/SEL] is tu urned, the [ [Synchroniz zed Gain] b box is displaye This [Sy ynchronized...
  • Page 78 S-FX2/FX2 Chapt ter 2 Basic c operation Type es of gain c change: Ther re are two t ypes of gai n change w when gain a adjustment is done wit th a gain kn nob. One is that t the gain of all screens including im...
  • Page 79 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 4. [System m] of the SU UBMENU is s displayed. . Move the cursor to [ Gain Type] with [▲] o or [▼] keys of System Gain T Type 5. Press [ ] key of 6.
  • Page 80 S-FX2/FX2 Chapt ter 2 Basic c operation 2.2.6 6 Adjustme ent of TVG reflected s ignals of ec cho sounde er have les s sensitivity y due to att ttenuation, a as depth is deep per. This means tha at the same e fish scho ools at shal lower posit...
  • Page 81 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 4. [TVG] o of the men u is display yed. Move the cursor to [TVG T Type] with [ [▲] or [▼] keys 5. Press [ ] of 6. [TVG Ty ype] of the menu is dis splayed.
  • Page 82 CVS-FX2/FX2BB Chapter 2 Basic operation To use of optimized TVG:  Optimized TVG corrects the reflected signal from shallower than the [Depth] where color is produced with maximum level. This is done by having room for gain adjustment, in reference to the diffusional attenuation and absorption attenuation of ultrasonic sound. ...
  • Page 83 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB To adjust TVG Adjus st in main m menu: 1. Press [M MENU] key 2. The men nu is displa yed. Move the cursor t to [TVG] wit th [▲] or [▼ ▼] keys of 3.
  • Page 84 S-FX2/FX2 Chapt ter 2 Basic c operation 6. [T TVG Adjust HF1] of th he menu is s displayed . Set [TVG G Adjust HF F1] by incre easing and creasing th e numeric v value with [ ▲] or [▼] k keys of With [▲] ] key, the va...
  • Page 85 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 5. Adjust th he numeric value with [▲] or [▼] k keys of to set t [TVG Adju ust HF1]. With [▲] key, th e value inc reases. With [▼] key, th e value dec creases.
  • Page 86 S-FX2/FX2 Chapt ter 2 Basic c operation To m manually ad djust TVG i n main me enu: 1. Pr ress [MENU U] key 2. Th he main me nu is displa ayed. Move the cursor t to [TVG] wi th [▲] or [▼...
  • Page 87 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 6. [TVG St trength HF1 ] of the me nu is displa ayed. Increa ase or decre ease the nu umeric value e with [▲] or [ ▼] keys of to s et [TVG Str rength HF1] With...
  • Page 88 S-FX2/FX2 Chapt ter 2 Basic c operation To m manually ad djust TVG w with [F1]/[F F2] keys: 1. At first, assign n [MENU] k or [F2] key with [TVG]. s for the set tting method d of [F1]/[F2 2] keys, see e “4.2.2 Ass ign intende ed operation...
  • Page 89 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 7. In the c case of [TV VG Depth H HF1], set [T TVG Depth HF1] by in creasing or r decreasin g the numeric c value with h [▲] or [▼] keys of With [▲] key, th...

  • Page 90: Adjustment Of Tvg

    CVS-FX2/FX2BB Chapter 2 Basic operation To manually correct TVG: The reflected signals of echo sounder have less sensitivity due to attenuation, as depth is deeper. In the TVG correction for CVS-FX2/FX2BB, a reference point of depth for correction is to be determined.
  • Page 91 Chapter 2 Basic operation CVS-FX2/FX2BB Adjustment of TVG Depth of manual Adjustment of TVG Adjust (start point) of manual TVG [TVG Adjust] adjusts excessive [TVG Depth] is the reference point of depth for correction. The deeper the setup correction by TVG against shallow signals, becomes, the wider the correction range making the amount of correction at the becomes.

  • Page 92: Changing Of The Image Scroll Speed

    CVS-FX2/FX2BB Chapter 2 Basic operation 2.3 Changing of the image scroll speed The image scroll speed can be changed at 14 steps of [Speed -2], [Speed -1], • • • [Stop], [Speed 2], • • • [Speed 9]. The larger the speed number is, the slower the image scroll speed becomes.
  • Page 93 Chapter 2 Basic operation CVS-FX2/FX2BB To stop image scroll: 1. While [Image Speed] adjustment box is displayed, move the cursor to [Stop] with [▲ ] key When the cursor is at [Speed 2 (1/1)], press [Image speed] key , and the cursor moves to [Stop].

  • Page 94: Finding Out Depth Of Targets In Images (Vrm Operation)

    CVS-FX2/FX2BB Chapter 2 Basic operation 2.4 Finding out depth of targets in images (VRM operation) VRM (Variable Range Marker) is a mobile marker to measure the depth of targets such as fish schools, and indicates lines and depth values of the lines. This can be also used as an indication of depth for casting net, etc.
  • Page 95 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB <Example of display o of VRM who ole screen ( (Screen ind ividual rang ge)> 1 line RM 2 lines 2.4.1 Cha anging of V VRM follow interval Under the first VRM, , another V VRM with in nterval can...
  • Page 96 S-FX2/FX2 Chapt ter 2 Basic c operation 4. Th he menu [D Disp. setup 2] is display yed. Move the cursor to [VRM Int terval] with [▲] or [▼] keys of 5. Pr ress [ ] key y of 6. Th he menu [V VRM Interv val] is disp...
  • Page 97 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 2.4.2 Ope eration of V VRM in Act ive Screen To switch VRM displ lay to Activ ve Screen: MENU] key 1. Press [M 2. The men nu is displa yed. Move the cursor t to [Disp.
  • Page 98 S-FX2/FX2 Chapt ter 2 Basic c operation 6. Th he menu [V RM Image] is displaye ed. Move the e cursor wit th [▲] or [▼ ▼] keys of , and elect [Active e Screen] a nd [All Scre eens]. 7.
  • Page 99 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 2.4.3 Ope eration of V VRM on all Screens To switch over VRM Image to A All Screens MENU] key 1. Press [M 2. The men nu is displa yed. Move the cursor t to [Disp.
  • Page 100 S-FX2/FX2 Chapt ter 2 Basic c operation 6. Th he menu [V VRM Image ] is displaye ed. Select [Active Scr een] [All Sc creens] by moving the ursor with [ ▲] or [▼] k keys of 7. Pr ress [MENU U] key , and the menu disa...

  • Page 101: Reduction Of Noise On Images

    Chapter 2 Basic operation CVS-FX2/FX2BB 2.5 Reduction of noise on images Images of echo sounders display noise due to various causes. The causes of noise are: 1. Interference caused by reception of signals transmitted by other echo sounders 2. Blur due to micro animate beings such as plankton 3.
  • Page 102 S-FX2/FX2 Chapt ter 2 Basic c operation To av void the re eception of f interferen ce wave by y shifting y your own fr requency: 1. Pr ress the CM M key used ( (lights red [ CM] key). ress the [CM M1] key when C...
  • Page 103 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB To setup [ [IR] (Interfe erence Reje ection) fun ction and t to eliminat e interferen nce wave: There are 3 steps of s setting: [O OFF], [Low] a and [High] f for interfere ence rejectio on function.
  • Page 104 S-FX2/FX2 Chapt ter 2 Basic c operation 6. Th he menu [IR R] is display ed. Select [ [Low] with [ ▲] or [▼] o 7. By y viewing im mages, conf firm that inte erference h as disappea ared. 8.

  • Page 105: To Erase The Weak Response From Dust And Plankton, Etc

    Chapter 2 Basic operation CVS-FX2/FX2BB 2.5.2 To erase the weak response from dust and plankton, etc. To erase the weak response from dust and microbes such as plankton in seawater, there are following 4 methods: 1. Setting TVG 2. Shortening pulse length and narrowing frequency bandwidth 3.
  • Page 106 S-FX2/FX2 Chapt ter 2 Basic c operation To se et [Color E Erase]: 1. Pr ress [MENU U] key 2. Th he menu is d displayed. M Move the cu ursor to [Ec cho Adjust] w with [▲] or [▼] of 3.
  • Page 107 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB 6. The men nu of [Color r Erase] is d displayed. A Adjust [%] w with [▲] or [ ▼] keys of With [▲] key, [% %] increases s (Bluish co olor first disa appears firs st).
  • Page 108 CVS-FX2/FX2BB Chapter 2 Basic operation When [Noise Reduction] is effective: When the response from dust and plankton is to be diminished regardless of water depth and color, [Noise Reduction] is effective. For [Noise Reduction] function, by narrowing the dynamic range and reducing tone graduation of colors, the color of weak response level becomes less visible.
  • Page 109 Chapter 2 2 Basic ope eration VS-FX2/FX X2BB To set [No oise Reduc ction]: 1. Press [M MENU] key 2. The men nu is displa yed. Move the cursor t to [Echo Ad just] with [▲ ▲] or [▼] ke eys of 3.
  • Page 110 S-FX2/FX2 Chapt ter 2 Basic c operation 6. Th he menu [No oise Reduc ction] is disp played. Adju ust the value e with [▲] o or [▼] keys With [▲] k key, the valu ue increase With [▼] k key, the valu ue decrease The bigger t...

  • Page 111: Chapter 3 To Make The Best Of [Cm] Keys

    CVS-FX2/FX2BB Chapter 3 To make the best of [CM] keys Chapter 3 To make the best of [CM] keys 3.1 To use [CM] keys [CM] (Condition Memory) key is used to memorize setting conditions of an echo sounder and recall them with one touch of a key button. For example, it is possible to switch the setting for seine fishing to the setting of squid fishing with one touch of a key button.
  • Page 112 Chapter 3 3 To make the best of f [CM] keys VS-FX2/FX X2BB 3.1.1 To u use [CM] ke ey for switc ching scre en modes CVS-FX2/F FX2BB is n not equippe ed with the e switching knobs or dedicated keys for sc creen modes lik...
  • Page 113 S-FX2/FX2 Chapter 3 To make th he best of [CM] keys To se et [CM] key y to [Scree n mode sw witching]: 1. Pr ress [SUBM MENU] key 2. Th he SUBMEN NU is displa ayed. Move to [System] ] with [▲] or r [▼] keys o the cursor...
  • Page 114 Chapter 3 3 To make the best of f [CM] keys VS-FX2/FX X2BB 5. Press [ ] of 6. The SU BMENU [C M Key Usa age] is displ ayed. Move e the cursor r to [Screen n Mode] wit h [▲] or [▼] k keys of...
  • Page 115 S-FX2/FX2 Chapter 3 To make th he best of [CM] keys 6. Fo or selection n of Standa ard Echo D Display of h high freque ncy 2, low frequency 1 and low frequ uency 2, rep peat the pro ocedures 4 a and 5.
  • Page 116 Chapter 3 3 To make the best of f [CM] keys VS-FX2/FX X2BB 3.1.2 To u use [CM] k keys as on ne touch sw witch to th he memoriz zed setting g to the fis shing itions When one e of the CM M1 to CM6 k keys (CM ke...
  • Page 117 S-FX2/FX2 Chapter 3 To make th he best of [CM] keys To se et [CM] key y to [One to ouch switc ch of settin g] : 1. Pr ress [SUBM MENU] key 2. Th he SUBMEN NU is displa ayed.
  • Page 118 Chapter 3 3 To make the best of f [CM] keys VS-FX2/FX X2BB 5. Press [ ] of 6. The SU UBMENU [C CM Key Usa age] is disp played. Mov ve the curs sor to [CM] with [▲] o or [▼] 7.
  • Page 119 S-FX2/FX2 Chapter 3 To make th he best of [CM] keys 2. Th hen, keep p ressing the key [CM2] until a guide of [ Save settin ng to CM2] i s indicated. CM2] key bli inks in red a and green.

  • Page 120: Use [Cm] Keys As Screen Mode Switching And One Touch Switch Of Setting:

    Chapter 3 To make the best of [CM] keys CVS-FX2/FX2BB 3.1.3 Use [CM] keys as screen mode switching and one touch switch of setting: This is to use [CM] key as screen mode switching normally, and to change to one touch switch of setting when fishing method changes.
  • Page 121 CVS-FX2/FX2BB Chapter 3 To make the best of [CM] keys To use [CM] keys normally as [Screen mode switching]: 1. Press the [CM] key that is set as normal in use. In the case of CM1, press [CM1] 2. Change [CM] key to [Screen mode switching] by referring to “To set [CM] key to [Screen mode switching]”, p 3-3.
  • Page 122 S-FX2/FX2 Chapte er 4 Useful l operation hapter 4 4 Useful l operat tion 4.1 T Temporary y change of f images fo or better vie In the e images o of echo soun nders, norm mally such v various info rmation is o overlaid as image title,...
  • Page 123 Chapter 4 4 Useful op peration VS-FX2/FX X2BB 4.2.2 Ass sign intende ed operatio on to funct tion keys ([ [F1]/[F2]) The functio ons can be assigned to o [F1]/[F2]: Icon Function Icon unction Shift Digit I Input : VR RM Interval IR (Interfer rence reject...
  • Page 124 S-FX2/FX2 Chapte er 4 Useful l operation Switching of range m mode Ther re are 3 type es of range modes: [Au uto Range], , [Manual] a and [Auto S hift]. [Auto o Range] is s the mode e to switch the depth range auto omatically t...
  • Page 125 Chapter 4 4 Useful op peration VS-FX2/FX X2BB 4.3.2 Sett ting of auto o range [Auto Rang ge] is the fu unction to sw witch depth range auto omatically to o display se ea bottom al lways on the disp played scree When sea bottom fall...
  • Page 126 S-FX2/FX2 Chapte er 4 Useful l operation Func ction to sp pecify the m maximum s search ran ge so as to o reduce d deterioratio on of cycle perio To se et [Soundi ng Limit] a at sea botto om search mode: 1.
  • Page 127 Chapter 4 4 Useful op peration VS-FX2/FX X2BB With [ ] key y, the value moves to la arger digit. With [ ] key y, the value moves to s maller digit With [▲] key y, the value increases. With [▼] key y, the value decreases 7.
  • Page 128 S-FX2/FX2 Chapte er 4 Useful l operation 3. Pr ress [ENT] k . Range Mo ode is set a t [Auto Shif When [Auto o Shift] is s et, [Auto S hift] is disp layed in the e header di isplay show wing Range Mode.

  • Page 129: To Store Images

    Chapter 4 4 Useful op peration VS-FX2/FX X2BB 4.4 To use e event key [Event] ke an be switc ched over among 3 f functions: [ [Store Posi ition] to re gister waypoints and to outp put the posit tion informa ation extern ally as TLL data, [Store...

  • Page 130: Starting Up Homing

    S-FX2/FX2 Chapte er 4 Useful l operation 4.4.3 3 Starting up Homing To en nable [Hom ming], it is n necessary to o input latit ude/longitud de data suc ch as GGA A, RMC and of NMEA01 183. 1. W hen [Event] ] key is pressed,...
  • Page 131 Chapter 4 4 Useful op peration VS-FX2/FX X2BB 4.4.4 Sele ection of ev vent key fu unction To select f function of f [Event] ke 1. Press [S SUBMENU] 2. The SUB BMENU is d displayed. M Move the cu ursor to [Sy stem] with [ [▲] or [▼] k...
  • Page 132 S-FX2/FX2 Chapte er 4 Useful l operation 5. Pr ress [ ] of 6. Th he SUBMEN NU [Event K Key Usage] is displaye ed. Select a function to be set with h [▲] or [▼] 7. W When [MENU U] key is presse ed, the SUB...
  • Page 133 Chapter 4 4 Useful op peration VS-FX2/FX X2BB 4.5 Short tcut to rang ge registra ation menu When the registered r range in use e is to be ch hanged, the ere is a sho rtcut functio on to chang ge the registered range direc...
  • Page 134 S-FX2/FX2 Chapte er 4 Useful l operation To move th he position n of menu MENU or S SUBMENU i s displayed d half transp parent at the e upper left of the scree en, overlaid on ec cho images Ther re is a funct ion to move...

  • Page 135: Chapter 5 Index

    CVS-FX2/FX2BB Chapter 5 Index Chapter 5 Index Bottom ..........2-7, 3-5 Bottom discrimination ........2-8 A Scope ............4-2 Bottom follow zoom ........2-11 Absorption attenuation ....... 2-57 Bottom zoom ..........2-10 Adjustment of gain ........2-25 Broadband type transducer ......2-4 Alarm range bar ........
  • Page 136 Chapter 5 Index CVS-FX2/FX2BB LCD Brill ............. 1-14 Long-press ........... 1-2 Gain ........3-2, 3-6, 3-8, 3-9 Gain adjustment ........ 2-46, 2-50 Gain change type ........2-53 Manual ........2-26, 2-29, 4-3 Gain knob ............ 1-2 Manual Set ........2-20, 2-23 Gain knob icon ...........
  • Page 137 CVS-FX2/FX2BB Chapter 5 Index Pulse length ....... 2-19, 2-80, 3-2 Sounding Limit ..........4-5 Standard Echo Display ......... 2-1 Standard echo display item ......3-4 Range ........3-2, 3-6, 3-8, 3-9 Start-up screen ..........1-3 Range bearing ..........4-9 Store Image ..........4-8 Range Dependant ........
  • Page 138 Chapter 5 Index CVS-FX2/FX2BB Zoom Display ..........3-5 Zoom range bar ......... 1-13 Zoom image ..........2-6 Zoom screen ..........3-2 Zoom image title ........1-13 0093102002-03...

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