Koden CVS-FX1 Basic Operation Manual
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Koden CVS-FX1 Basic Operation Manual

Color echo sounder
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Summary of Contents for Koden CVS-FX1

  • 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 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 4  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 5 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 6 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 7: Table Of Contents

    CVS-FX1 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 8 Contents CVS-FX1 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 9 Introduction Introduction CVS-FX1 is an LCD color echo sounder that can display images in 4 optional frequencies. This unit equipped with the latest digital process can accurately display circumstances in the water under all conditions, with a good match with the high brilliance 12.1 inch LCD.

  • Page 10: Chapter 1 Preparation

    VS-FX1 hapter 1 P Preparation Chapte er 1 Pre eparatio To use key ey board of f CVS-FX1 15 16 Key Nam Descriptio [BRILL Press: P Power on. A Adjusts brillia ance of the screen and panel. Long-pr ress: Power off.
  • Page 11 Chapter 1 Preparati CVS-F [← │←/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 12: Power On

    VS-FX1 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 13 Chapter 1 Preparati CVS-F 1.3 Select ion of lang guage to be e displayed When the power is sw witched on for the first t time after installation , the followi ing [Langua age] screen is d displayed. Select a la anguage usi ng [▲] key or [▼] key...
  • Page 14 VS-FX1 hapter 1 P Preparation To use Me S-FX1 has two kinds o of menu, [M MENU] and [ [SUBMENU e operation of the both menus is b basically the e same. .1 Open/C Close the M Menu To d display the menu, pres ss the [MEN...

  • Page 15: Operation Of The Menu

    Chapter 1 Preparation CVS-FX1 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.
  • Page 16 VS-FX1 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 17 Chapter 1 Preparati CVS-F 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 18: Operation Of Submenu

    CVS-FX1 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...
  • Page 19 Chapter 1 Preparati CVS-F 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 20 CVS-FX1 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 21 Chapter 1 Preparation CVS-FX1 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...
  • Page 22 CVS-FX1 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.
  • Page 23 Chapter 1 Preparati CVS-F 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 Each time [BRILL s pressed, [ [LCD Brill] a and [Panel...
  • Page 24 VS-FX1 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] ch time [BR RILL ] key is p pressed, [LC CD Brill] and d [Panel Bri ll] are switc ched over.

  • Page 25: Chapter 2 Basic Operation

    Selection of changing method of gain 2.1.1 Display of 1-frequency/displays of 2-frequency and more CVS-FX1 can switch ON/OFF the display of 4-frequency images individually. To select Standard Echo Display: 1. Press [CM] key used ([CM] key lit red) When CM1 is lit red, press [CM1] key 2.
  • Page 26 Chapter 2 2 Basic op peration S-FX1 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 n [Normal]...
  • Page 27 Setting frequency to match t the transdu ucer to be u used On C CVS-FX1, th he frequenc cies used fo or 4 screens s can be set t in a range e of 24 to 24 40 kHz. The...
  • Page 28 Chapter 2 2 Basic op peration S-FX1 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 29 Setting up of frequency: Relation between a transceiver and display screen For CVS-FX1, 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 30 Chapter 2 2 Basic op peration S-FX1 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 31 CVS-FX1 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 32 Chapter 2 Basic operation CVS-FX1 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 33 S-FX1 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 34 Chapter 2 Basic operation CVS-FX1 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 35 S-FX1 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 36 Chapter 2 2 Basic op peration S-FX1 To change e the range e of zoome d images When the icon o show the mode of [R Range] and d [Shift] key ys is in hea ader display y, the range of th he zoomed images can n be change...
  • Page 37 S-FX1 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 38 Chapter 2 2 Basic op peration S-FX1 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 39: Display Of Mixed Images

    CVS-FX1 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 40 Chapter 2 2 Basic op peration S-FX1 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. Moving c cursor with , po oint the curs...
  • Page 41 S-FX1 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 42 Chapter 2 2 Basic op peration S-FX1 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 43: Selection Of Pulse Length

    CVS-FX1 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 44 Chapter 2 2 Basic op peration S-FX1 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 45 S-FX1 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 46: Selection Of Frequency Bandwidth

    Chapter 2 Basic operation CVS-FX1 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 47 S-FX1 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 48 Chapter 2 2 Basic op peration S-FX1 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. [Bandwi idth HF 1] o of menu is displayed,...
  • Page 49 S-FX1 Chapt ter 2 Basic c operation 2.1.7 7 Selection n of gain ch hanging m method -FX1 can d isplay imag ges up to 4 frequencies s and gain c can be adju usted for ea ach images. Adjus stment of g gain is indiv vidually do...
  • Page 50 Chapter 2 2 Basic op peration S-FX1 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 51: Manual Change Of A Range For Normal Image

    CVS-FX1 Chapter 2 Basic operation When [Auto Range] is set, [Auto Range] is displayed in the header showing Range Mode. When [Manual] is set, display of the header showing the Range Mode disappears. When [Auto Shift] is set, [Auto Shift] is displayed in the header showing Range Mode.
  • Page 52 Chapter 2 2 Basic op peration S-FX1 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 53 S-FX1 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 54 Chapter 2 2 Basic op peration S-FX1 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 55 S-FX1 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 56 Chapter 2 2 Basic op peration S-FX1 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. Press [ ] of 4.
  • Page 57 S-FX1 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 58 Chapter 2 2 Basic op peration S-FX1 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 59 S-FX1 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 60 Chapter 2 2 Basic op peration S-FX1 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 o ways: one...
  • Page 61 S-FX1 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 62 Chapter 2 2 Basic op peration S-FX1 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 63 S-FX1 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 64 Chapter 2 2 Basic op peration S-FX1 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 Value] or [R...
  • Page 65 S-FX1 Chapt ter 2 Basic c operation 3. Pr reset Value otal 8 shifts preset from m [Main Me enu], [Shift Setup], [Sh ift Preset1] ] to [Shift P reset8] can e switched e each time s shift key is p pressed.
  • Page 66 Chapter 2 2 Basic op peration S-FX1 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 67 S-FX1 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 68 Chapter 2 2 Basic op peration S-FX1 To switch ON/OFF of f shift: 1. Each tim me [SHIFT/M M OFF] key is pr ressed , the e shift is swi tched on or r off. The ic con showing g the shift co onditions in n header dis splay chang...
  • Page 69 S-FX1 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 70: Adjustment Of Image Gain

    In the synchronized gain, the gain of all screens change keeping the gain difference between screens. On CVS-FX1, the gain of all screens including images in the past changes by operation of the gain knobs. Also, it can be switched to a mode in which only the gain of the current image changes, to watch changes by the gain operation.
  • Page 71 S-FX1 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 72 Chapter 2 2 Basic op peration S-FX1 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 73 S-FX1 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 74 Chapter 2 2 Basic op peration S-FX1 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 75 S-FX1 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 76 Chapter 2 2 Basic op peration S-FX1 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 77 S-FX1 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 78 Chapter 2 2 Basic op peration S-FX1 4. [System m] of the SU UBMENU is s displayed. . Move the cursor to [ Gain Type] with [▲] o or [▼] keys of System Gain Type GainType 5. Press [ ] key of 6.
  • Page 79 S-FX1 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 80 Chapter 2 2 Basic op peration S-FX1 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 81 CVS-FX1 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 82 Chapter 2 2 Basic op peration S-FX1 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 83 S-FX1 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 84 Chapter 2 2 Basic op peration S-FX1 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 85 S-FX1 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 86 Chapter 2 2 Basic op peration S-FX1 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 [▲] key, th...
  • Page 87 S-FX1 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 88 Chapter 2 2 Basic op peration S-FX1 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 e value inc...

  • Page 89: Adjustment Of Tvg

    The reflected signals of echo sounder have less sensitivity due to attenuation, as depth is deeper. In the TVG correction for CVS-FX1, a reference point of depth for correction is to be determined. This reference point is [TVG Depth]. Reflected signals from a shallower depth than this reference point are corrected to have the same sensitivity as that of the reference point.
  • Page 90 Chapter 2 Basic operation CVS-FX1 Adjustment of TVG Depth of manual Adjustment of TVG Adjust (start point) of manual TVG [TVG Depth] is the reference point of depth [TVG Adjust] adjusts excessive for correction. The deeper the setup correction by TVG against shallow signals,...

  • Page 91: Changing Of The Image Scroll Speed

    CVS-FX1 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 92 Chapter 2 Basic operation CVS-FX1 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 93: Finding Out Depth Of Targets In Images (Vrm Operation)

    CVS-FX1 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.
  • Page 94 Chapter 2 2 Basic op peration S-FX1 <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 n be display...
  • Page 95 S-FX1 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 96 Chapter 2 2 Basic op peration S-FX1 2.4.2 Ope eration of V VRM in Act ive Screen To switch VRM displ lay to Activ ve Screen: 1. Press [M MENU] key 2. The men nu is displa yed. Move the cursor t to [Disp.
  • Page 97 S-FX1 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 98 Chapter 2 2 Basic op peration S-FX1 2.4.3 Ope eration of V VRM on all Screens To switch over VRM Image to A All Screens 1. Press [M MENU] key 2. The men nu is displa yed. Move the cursor t to [Disp.
  • Page 99 S-FX1 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 100: Reduction Of Noise On Images

    2. Blur due to micro animate beings such as plankton 3. Noise caused by electric signal synchronized with transceiver CVS-FX1 is equipped with functions to weaken the effect by each cause. 2.5.1 To reject interference Interference is generated by the reception of signals transmitted by other echo sounders.
  • Page 101 S-FX1 Chapt ter 2 Basic c operation To av void the re eception of f interfacial l wave by s shifting you ur own freq quency: 1. Pr ress the CM M key used ( (lights red [ CM] key). ress the [CM M1] key when C...
  • Page 102 Chapter 2 2 Basic op peration S-FX1 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 103 S-FX1 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 104: To Erase The Weak Response From Dust And Plankton, Etc

    Chapter 2 Basic operation CVS-FX1 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 105 S-FX1 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 106 Chapter 2 2 Basic op peration S-FX1 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 107 CVS-FX1 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 108 Chapter 2 2 Basic op peration S-FX1 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 109 S-FX1 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 110: Chapter 3 To Make The Best Of [Cm] Keys

    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. CVS-FX1 is equipped with six [CM] keys, so can be used as if six units of echo sounders were used at a time.
  • Page 111 [CM] keys S-FX1 3.1.1 To u use [CM] ke ey for switc ching scre en modes CVS-FX1 is not equip pped with th he switching g knobs or dedicated keys for sc creen mode es like...
  • Page 112 S-FX1 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 the cursor to [System] ] with [▲] or r [▼] keys o...
  • Page 113 Chapter 3 3 To make the best of f [CM] keys S-FX1 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 7.
  • Page 114 S-FX1 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 115 Chapter 3 3 To make the best of f [CM] keys S-FX1 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 ey lit green)
  • Page 116 S-FX1 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 117 Chapter 3 3 To make the best of f [CM] keys S-FX1 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 118 S-FX1 Chapter 3 To make th he best of [CM] keys 2. T hen, keep pressing t he key [CM until a guid de of [Save e setting t o CM2.] is indic cated. CM2] key bli inks in red a and green.

  • Page 119: Use [Cm] Keys As Screen Mode Switching And One Touch Switch Of Setting:

    Chapter 3 To make the best of [CM] keys CVS-FX1 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 120 CVS-FX1 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 121 S-FX1 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 122 Chapter 4 4 Useful op peration S-FX1 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 tion)
  • Page 123 S-FX1 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 124 Chapter 4 4 Useful op peration S-FX1 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 s outside o...
  • Page 125 S-FX1 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 126 Chapter 4 4 Useful op peration S-FX1 With [ ] key y, the value moves to la arger digit. With [ ] key y, the value moves to s smaller digit With [▲] key y, the value increases. With [▼] key y, the value decreases 7.
  • Page 127 S-FX1 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 128: To Store Images

    Chapter 4 4 Useful op peration S-FX1 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 129: Starting Up Homing

    S-FX1 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 130 Chapter 4 4 Useful op peration S-FX1 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 keys of...
  • Page 131 S-FX1 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 132 Chapter 4 4 Useful op peration S-FX1 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 ctly with one...
  • Page 133 S-FX1 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 134: Chapter 5 Index

    CVS-FX1 Chapter 5 Index Chapter 5 Index Control box ..........4-1 Current Image ..........2-54 A Scope ............4-2 Cycle period ........4-4, 4-5, 4-6 Absorption attenuation ....... 2-57 Adjustment of gain ........2-25 Alarm range bar ........1-13, 4-1 Depth range ..........
  • Page 135 Chapter 5 Index CVS-FX1 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 136 CVS-FX1 Chapter 5 Index Pulse length ....... 2-19, 2-80, 3-2 Sona-tone ............ 4-2 Sounding Limit ..........4-5 Standard Echo Display ........ 2-1 Range ........3-2, 3-6, 3-8, 3-9 Standard echo display item ......3-4 Range bearing ..........4-9 Start-up screen ..........1-3 Range Dependent ........
  • Page 137 Chapter 5 Index CVS-FX1 Zoom image title ........1-13 Zoom screen ..........3-2 Zoom range bar ......... 1-13 0093101112-02...

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