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4. INTERPRETING THE DISPLAY 

 
 

 

4-5

4.5.3 Surface 

noise 

When the sea is rough or the ship passes over a wake, surface noise may 
appear at the top of the screen. It can be suppressed with the CLUTTER 
function. 

Surface Noise

 

Surface noise 

4.5.4 Aerated 

water 

When the sea is rough or the ship makes a quick turn, gaps in the bottom echo 
on the screen may appear. This is caused by air bubbles which block 
propagation of the sound wave. Generally low frequency ultrasonic waves are 
interrupted more easily than high ones. 

Ultrasonic wave
blocked by
aerated water

 

Aerated water 

4.5.5 False 

image 

Every time the ultrasonic pulse is transmitted, some radiation escapes on each 
side of the beam, called “side lobes.” Echoes from side lobes show on the 
display as false images as below. 

False Image

Main
Lobe

Side
Lobe

 

False image

 
 
 
 
 

Содержание FCV-1100L

Страница 1: ...COLOR LCD SOUNDER FCV 1100L ...

Страница 2: ... l e p h o n e 0 7 9 8 6 5 2 1 1 1 Te l e f a x 0 7 9 8 6 5 4 2 0 0 Yo u r L o c a l A g e n t D e a l e r A l l r i g h t s r e s e r v e d P U B N o O M E 2 3 6 7 0 F C V 1 1 0 0 L D A M I F I R S T E D I T I O N A U G 2 0 0 1 C N O V 2 0 2 0 0 1 Printed in Japan ...

Страница 3: ... leaks into the equipment Fire or electrical shock can result if water leaks in the equipment WARNING Keep heater away from equipment A heater can melt the equipment s power cord which can cause fire or electrical shock Use the proper fuse Fuse rating is shown on the equipment Use of a wrong fuse can result in damage to the equipment CAUTION A warning label is attached to the equip ment Do not rem...

Страница 4: ...Echoes 1 17 1 14 Picture Advance Speed 1 18 1 15 A Scope Display 1 20 1 16 Suppressing Interference 1 21 1 17 SHIFT PROG Key 1 22 2 MENU OPERATION 2 1 2 1 Basic Menu Operation 2 1 2 2 DISP Menu 2 3 2 3 ALM Menu 2 6 2 4 TX RX Menu 2 8 2 5 E S Menu 2 10 2 6 USER Menu 2 12 3 SYSTEM MENU 3 1 3 1 SYSTEM Menu Operation 3 1 3 2 SYSTEM SETTING Menu 3 2 3 3 DRAFT SETTING Menu 3 4 3 4 RANGE SETTING Menu 3 5...

Страница 5: ... 1 Maintenance 5 1 5 2 Fuse Replacement 5 2 5 3 Troubleshooting 5 2 5 4 Diagnostic Test 5 3 5 5 Test Pattern 5 5 5 6 Restoring Default Settings 5 6 APPENDIX A 1 Menu Tree A 1 Screen Division A 6 Display Division A 9 SPECIFICATIONS SP 1 INDEX ...

Страница 6: ...w the recommended procedures for operation and maintenance We would appreciate hearing from you the end user about whether we are achieving our purposes Thank you for considering and purchasing FURUNO equipment Features 16 color including background presentation provides detailed information on fish density and bottom composition on a 10 4 inch color LCD 8 color presentation also available FURUNO ...

Страница 7: ...v SYSTEM CONFIGURATION System configuration ...

Страница 8: ...vi This page is intentionally left blank ...

Страница 9: ...er with connection of navigator P 1 14 Selects a display range P 1 11 Selects a display P 1 4 Adjusts gain of high and low frequencies individually P 1 13 Turns power on off P 1 2 Opens the SIGNAL LEVEL menu P 1 17 Opens the PIC ADVANCE A SCOPE menu P 1 18 P 1 20 Opens the NOISE LIMITER menu P 1 21 Opens the USER menu P 2 12 Opens the main menu P 2 1 Opens the TVG menu P 1 16 Opens the CLUTTER men...

Страница 10: ...ure Elapsed time From pressing MARKER TLL key Marker line VRM Temperature scale Color bar Depth Ship s speed Scroll time Transducer power reduction Indications 1 3 Turning the Power On Off 1 Press the PWR key A beep sounds and then the power turns on 2 Press the PWR key again to turn the power off Note 1 Wait five seconds before turning on the power again Note 2 The example screens shown in this m...

Страница 11: ...RILL Brill window 2 Press the or key to adjust the LCD brilliance key to raise the brilliance key to lower it Note 1 Brilliance is automatically set to maximum at the next power on when the unit is turned off with the brilliance setting of 4 or lower Note 2 Brilliance must be adjusted within five seconds after pressing the BRILL key or the brill window will be erased ...

Страница 12: ...of the ultrasonic pulse the wider the detection area Thus the low frequency is suitable for general search and judging bottom condition High frequency HF The higher the frequency of the ultrasonic pulse the better the resolution Therefore the high frequency pulse is useful for detailed observation of fish echoes Low frequency High frequency Frequency and Detection Area Single frequency Picture LF ...

Страница 13: ...play provides the low frequency picture on the left half of the screen the high frequency picture on the right half Frequency Low High Beamwidth Wide Narrow Echo Trail Long Short 1 1 HF LF 0 20 40 60 80 0 49 6m 20 40 60 80 0 Low frequency High frequency 0 0 Dual frequency display ...

Страница 14: ...isplay The bottom lock display shows the area between the zoom marker and the bottom as a straight line to distinguish it from fish near the bottom and thus it is useful for discriminating fish near the bottom The bottom lock zoom range may be chosen on the RANGE SETTING menu For further details see B L RANGE on page 3 5 Zoomed fish school Bottom lock display Bottom shown as a straight line Single...

Страница 15: ...tom echo at the lower part of the screen Bottom zoom display Marker zoom display The marker zoom display expands the area chosen with the VRM on the normal picture to full vertical size of the screen on the left half of the screen This mode is useful for observing a specific fish school The marker zoom range may be chosen on the RANGE SETTING menu For further details see M Z RANGE on page 3 5 Mark...

Страница 16: ...splay occupy the left half of the screen The discriminator display shows the bottom as a straight line which is useful for determining bottom hardness Discrimination 1 2 display DISCRIM 1 3 display This display is similar to the DISCRIM 1 2 display except the bottom discriminator display occupies the bottom one third of the left half of the screen as below Discrimination 1 3 display ...

Страница 17: ...ult settings are as follows USER 1 Screen is split vertically in thirds LF HF MIX USER 2 Screen is split vertically in fourths LF HF LF bottom zoom HF bottom zoom This setting may be changed through the USER menu For further details see USER 1 2 on page 2 12 User 1 display default display User 2 display default display ...

Страница 18: ...h frequency echo it is less likely to be a tiny fish and therefore is displayed in blue 3 If the echoes on both frequencies have the intensity corresponding to reddish brown or red they are displayed in reddish brown or red this is necessary to display the zero line and bottom in reddish brown or red 4 In other words the echoes displayed in orange thru light blue may be considered to be tiny fish ...

Страница 19: ...es default settings Range Switch Position Range Unit 1 2 3 4 5 6 7 8 Feet default 30 60 120 250 500 1000 1600 3000 Meter 10 20 40 80 150 300 500 1000 Fathom 5 10 20 40 80 160 250 500 Hiro Japanese 6 12 25 50 100 200 300 600 Passi Braza 6 12 25 50 100 200 300 600 Note 1 This setting must be done within five seconds after rotating the RANGE switch once otherwise the range window will be erased Note ...

Страница 20: ...inciple of shift 1 0 f t S H I F T 10 Shift window screen center shift indication top right corner Note 1 This operation must be done within five seconds after pressing the or key otherwise the shift window will be erased Note 2 Automatic shift which provides virtually hands free automatic operation is also available For further details see AUTO SHIFT on page 3 3 Note 3 You can shift the display i...

Страница 21: ...Gain too high Gain proper Gain too low Examples of proper and improper gain levels 1 9 Measuring Depth Use the or key to place the VRM on the object to measure depth Depth is digitally displayed above the VRM Note This operation is available by setting MARKER SELECT on the DISP menu to VRM 1 1 0 20 40 60 80 0 49 6m 39 8 Depth to VRM VRM green LF How to use the VRM ...

Страница 22: ... marked on its screen if this unit is interfaced with position fixing equipment Elapsed time from the moment the MARKER TLL key is pressed may be displayed at the upper left corner of the screen For further details see SCROLL TIME on page 2 3 20 40 60 80 0 0H01M 49 6m Marker line Shown in second color from top of color bar in 16 color display the top color of color bar in 8 color display Elapsed t...

Страница 23: ...e or key to open the clutter curve selection window default STD STD LINEAR CUSTOM Clutter curve selection window STD The higher the clutter level the smaller weak echoes are displayed LINEAR The higher the clutter level the smaller all echoes are displayed CUSTOM Applies the user clutter settings from the user clutter menu See page 2 17 4 Press the or key to choose clutter curve desired 5 Press th...

Страница 24: ...ctive distance Change setting EXIT Exit low TVG This scale is synchronized with the distance value setting HF TVG LEV 5 0 10 HF TVG DIST 600ft LF TVG LEV 5 0 10 LF TVG DIST 600ft 0ft 600 ft Gain high TVG menu For dual display Go to step 2 For other display modes Go to step 3 after pressing the key 2 Press the or key to choose HF TVG DIST or LF TVG DIST as appropriate 3 Press the or key to set the ...

Страница 25: ...m plankton may be painted on the display in green or light blue These weak echoes may be erased with the signal level function 1 Rotate the FUNCTION switch to choose SIG LEVEL Eliminate low intensity echoes Change setting EXIT Exit OFF SIGNAL LEVEL Echo colors disappear from weakest to strongest SIGNAL LEV OFF current Signal level menu 2 Press the or key to choose the setting desired Every pressin...

Страница 26: ... 1 1 2 1 3 1 4 1 Picture advance speed setting window The fractions in the window mean the number of vertical scan lines produced per transmission For example 1 2 means a vertical scan line is produced every two transmissions These fractions also appear at the top of the screen for your reference When choosing an advance speed keep in mind that a fast advance speed will expand the size of a fish s...

Страница 27: ...ze and abundance at any speed The picture advance speed indication is suffixed with an S when the ship s speed dependent mode is active For example 1 1S This function is available with ship s speed of 2 20 kt You can use the ship s speed dependent mode by setting PRR LEVEL to S on the TX RX menu For further details see PRR LEVEL on page 2 8 FULL SPEED HALF SPEED Actual Movement Same size fish scho...

Страница 28: ... with the high frequency display In case of the horizontal split screen high and low frequency A scope displays appear 1 Rotate the FUNCTION switch to choose ADVANCE A SCOPE to show the PIC ADVANC A SCOPE menu 2 Press the key to choose A SCOPE 3 Press the key twice to choose ON from the setting window OFF ON A scope selection window 4 Rotate the FUNCTION switch to choose EXIT 5 To turn off the A s...

Страница 29: ...r Electrical interference Interference 1 Rotate the FUNCTION switch to choose NL 1 Shift frequencies to reject interference 2 Use LF HF NOISE LIM in case interference hasn t been rejected Change setting EXIT Exit NOISE LIMITER The inverted solid triangle shifts with operation of or key 10 10 0 10 10 0 HF FREQ ADJ 0 0 HF NOISE LIM OFF LF FREQ ADJ 0 0 LF NOISE LIM OFF NL menu For the dual display Go...

Страница 30: ...whichever is appropriate 6 Press the or key to choose the noise rejection setting among N1 N2 and N3 N3 provides the highest level of interference suppression OFF N1 N2 N3 Signal level setting window 7 Rotate the FUNCTION switch to choose EXIT Note Turn the noise limiter off when no interference exists otherwise weak echoes may be missed 1 17 SHIFT PROG Key The SHIFT PROG key is a soft key which t...

Страница 31: ...set EXIT Exit NO OF COLORS 16 HUE STD BACKGROUND BLUE WHITE LINE OFF OFF 1 10 DEPTH INFO STD MARKER SELECT VRM ZOOM MARKER ON DISPLAY DATA TIMER SCROLL TIME OFF ECHO STRETCH OFF SMOOTHING 1 3 OFF 1 4 SMOOTHING 2 OFF Menu titles Description for selection DISP menu 2 Press the key to choose menu title area 3 Press the or key to choose menu desired among DISP ALM TX RX ES and SYSTEM The menu chosen i...

Страница 32: ...lation to the entire option range This bar shifts with operation of the or key The blue bar shows the current cursor position in relation to the option range This bar shifts with operation of or key Blue bar CUSTOM STD HUE1 HUE2 HUE3 HUE4 Selection window for item having several options for example HUE 7 Rotate the FUNCTION switch fully counterclockwise to choose EXIT ...

Страница 33: ... HUE Chooses desired picture color USER displays the colors programmed by the user See page 2 16 STD is the standard colors used on most FURUNO video sounders HUE 1 7 provide other picture color arrangements BACKGROUND Chooses background color to black dark blue blue light blue or white Note that the background color is fixed when the user color in HUE above is chosen WHITE LINE Changes the strong...

Страница 34: ... the echo color which you want to emphasize The setting window disappears if there is no key operation within five seconds The color chosen to display in white is shown in white on the color bar Note Before changing from WHITE MARKER to VRM you must choose OFF in the white marker setting window ZOOM MARKER Turns the zoom marker on off DISPLAY DATA Chooses the data to display at the left top corner...

Страница 35: ...es long though the pulselength setting is short It is useful for distinguishing individual fish for example squid from plankton SMOOTHING 1 This function smoothes echo presentation and can only be changed when the picture advance speed is set to 1 16 1 8 1 4 1 2 or 1 1 See page 1 18 The higher the number the greater the smoothing Adjust the setting when echoes appear spotty SMOOTHING 2 This functi...

Страница 36: ...bottom lock discrim 1 2 discrim 1 3 TEMP ALARM Chooses temperature range which triggers temperature alarm Audio and visual TEMP alarms are released when water temperature is within the range or out of the range of the preset value This function requires a water temperature sensor 2 3 1 Setting the alarm 1 Rotate the FUNCTION switch fully clockwise to choose MENU 2 Press the key to choose the menu ...

Страница 37: ...sh alarm white The starting depth is measured from the transducer surface for BOTTOM ALARM and FISH ALARM from the bottom for BTM FISH bottom fish alarm BTM Alarm area Alarm marker Bottom alarm green right side Fish alarm white right side Bottom fish alarm white left side vertical screen division right side horizontal screen division Selected alarm flashing Start line 12 5ft Setting of alarm zone ...

Страница 38: ...t PRR LEVEL 20 0 20 S STC 0 0 10 GAIN ADJ 0 RX BAND STD TX PULSE STD PULSE LENGTH 0 2 msec 0 2 5 0 STC 0 0 10 GAIN ADJ 0 RX BAND STD TX PULSE STD PULSE LENGTH 0 2 msec 0 2 5 0 High Frequency Low Frequency The setting is available when MANUAL is selected at TX PULSE TX RX menu PRR LEVEL Changes pulse repetition rate Normally the highest rate 20 is used When in shallow waters second reflection echoe...

Страница 39: ...y adjust the gain RX BAND High and Low Frequencies Sets amplifier bandwidth of high and low frequency Rx amplifier When NARROW is chosen the noise suppression is greater however resolution in shallow water is lower Normally set to STD For increased resolution choose WIDE TX PULSE High and Low Frequencies Sets TX pulselength for high and low frequencies The available choices are SHORT1 SHORT2 STD L...

Страница 40: ...s This function is useful when there is interference from other vessel or when targeting certain fish species 50kHz 75kHz transducer Using the following transducers with 75 kHz provides high resolution pictures 50B 6 50 200 1T 50kHz 50 200 1ST 50 kHz 50B 9 50B 12 Note 1 When using above transducers on 75 kHz the transmission line zero line may be longer than normal Note 2 50 kHz and 75 kHz picture...

Страница 41: ... m 0 0 How to adjust bottom level If this setting value is too small fish echoes may be regarded as bottom which causes unstable depth readout AUTO MODE Turns on off the auto mode OFF Turns off the auto mode Gain range and clutter may be adjusted manually CRUISING Suppresses weak echoes to emphasize bottom echoes clearly Use this setting when going to a fishing ground FISHING Displays weak echoes ...

Страница 42: ... OFF NAV DATA MODE ALPHANUMERIC USER 2 NAV DATA DISP OFF NAV DATA MODE ALPHANUMERIC SHIFT PROG KEY SHIFT USER COLOR SETTING USER CLUTTER SETTING USER menu USER 1 2 Customizes the user displays Select screen layout Change set EXIT Exit USER 1 SCREEN LAYOUT DISP MODE LF HF MIX ZOOM MODE BOTTOM ZOOM TARGET ECHO NORMAL USER 2 SCREEN LAYOUT DISP MODE LF Zm Nor HF Zm Nor ZOOM MODE BOTTOM ZOOM TARGET ECH...

Страница 43: ...Nor LF HF LF Zm HF Zm HF MIX LF MIX LF HF Zm Nor LF Zm Nor HF LF HF MIX LF Zm Nor HF Zm Nor HF high frequency LF low frequency NOR normal ZM zoom MIX mix ZOOM MODE Chooses the zoom mode to use BOTTOM LOCK BOTTOM ZOOM MARKER ZOOM DISCRIM 1 2 DISCRIM 1 3 Zoom mode choices TARGET ECHO Chooses the target echo from normal surface squid and deep sea For details see page 3 10 NORMAL SURFACE SQUID DEEP SE...

Страница 44: ...estore the full nav data display press the key POS 34 44 135 N 135 27 098 E CSE SPD 135 8 6kt DEP TMP 42 9ft 85 51 F WP 001 RNG 79 03nm BRG 135 XTE 0 005nm Cursor for choosing data to enlarge Nav data display GRAPHIC1 The GRAPHIC1 display mainly provides steering information Appropriate sensors are required 0 20 40 60 80 DEP 69 4 ft TMP 85 51 F RNG 12 0 nm TRIP 76 8 nm WP ABC SPD 8 4 kt 1nm 1nm BR...

Страница 45: ...nt Bearing Position Waypoint Relative Bearing In relation to course 1 0 5 0 0 5 1 XTE Requires appropriate sensor Note Distance run may be reset to zero by pressing the or key for about five seconds Graphic2 display SHIFT PROG KEY Chooses the function of the SHIFT PROG key The choices are shift picture advance signal level hue white line PRR level bottom level A scope auto shift and auto mode The ...

Страница 46: ...LT NO CUSTOM NO USER COLOR SETTING menu 1 Press the or key to show the color setting window In case of eight colors color is 1 6 BKGD ECHO1 ECHO2 ECHO3 ECHO4 ECHO5 ECHO6 ECHO7 Color setting window 16 colors 2 Press the or key to select the color to change ECHO15 ECHO14 ECHO13 ECHO12 ECHO11 ECHO10 ECHO9 ECHO8 ECHO7 ECHO6 ECHO5 ECHO4 ECHO3 ECHO2 ECHO1 BKGD Color bar for 16 colors 3 Press the or key ...

Страница 47: ...TTER SETTING The USER CLUTTER SETTING menu lets you emphasize weak to medium strength echoes Set clutter level to be displayed Change set EXIT Exit USER CLUTTER SETTING The larger the setting the wider the ratio of the color selected COLOR 7 3 1 14 COLOR 6 3 COLOR 5 3 COLOR 4 3 COLOR 3 3 COLOR 2 3 COLOR 1 3 BACKGROUND 3 DEFAULT NO When the value is not suitable weak level is automatically adjusted...

Страница 48: ...OLOR 7 to COLOR 5 Set small value COLOR 4 and COLOR 3 Set large value COLOR 2 and COLOR 1 Set small value you want to remove the weakest color COLOR 1 Set small value 4 Press the or key to close the setting window 5 Repeat steps 1 through 4 to set another color 6 To use custom clutter settings set the FUNCTION switch in the CLUTTER position then select CUSTOM from HF CURVE LF CURVE To return to de...

Страница 49: ...to show the SYSTEM menu Menu for system setting Go to setting EXIT Exit SYSTEM SETTING DRAFT SETTING RANGE SETTING TEMP SETTING NAV DATA SETTING TARGET ECHO TEST MODE DEFAULT SETTING DISP ALM TX RX E S SYSTEM System menu 4 Press the or key to select the item which you want to set 5 Press the key to show the sub menu 6 Rotate the FUNCTION switch fully counterclockwise to select EXIT ...

Страница 50: ...PICT ADV DIR Chooses picture advance direction right or left which advances the picture in both right and left directions from the screen center DISP DIVISION Sets display division for the dual frequency picture vertical horizontal DEPTH SCALE Chooses where to position the depth scale right center or off DEPTH UNIT Chooses unit of depth measurement meters feet fathoms hiro Japanese passi braza Not...

Страница 51: ...s are inoperative when the automatic shift function is turned on Range changes automatically to locate the bottom on the lower half of screen The equipment shifts to a deeper range when the bottom comes to the lower edge of the depth scale 3 4 1 2 3 4 Automatic shift concept ZOOM MODE Chooses the zoom mode for the ZOOM position of the FUNCTION switch The choices are bottom lock bottom zoom marker ...

Страница 52: ...n you require depth below the surface DISP ALM TX RX E S SYSTEM Set draft value if depth below surface is needed Change set EXIT Exit DRAFT SETTING High Frequency DRAFT 0 0 ft 15 90 High Frequency DRAFT 0 0 ft 15 90 DRAFT SETTING menu DRAFT Sets draft depth for low and high frequencies ...

Страница 53: ...enu RANGE1 RANGE8 Presets basic ranges for the RANGE switch Ranges must be set from shallow to deep and a range may not be lower than a preceding one Setting ranges 5 2000 m 16 6000 ft 2 1200 fa 4 1600 hiro 3 1200 P B M Z RANGE Sets display range of marker zoom and bottom zoom pictures Setting ranges 5 200 m 16 600 ft 2 120 fa 4 160 hiro 3 120 P B Note For the vertical split screen halve the above...

Страница 54: ...w 30 ft 60 ft 250 ft 500 ft 1000 ft 1600 ft 3000 ft 120 ft RANGE LF RANGE HF 30 ft 60 ft 250 ft 500 ft 1000 ft 1600 ft 3000 ft 120 ft Switch LF and HF by pressing the RANGE switch Range window 2 Press the RANGE switch within five seconds to display the RANGE LF window or RANGE HF window whichever desired 3 Rotate the RANGE switch to select the range desired ...

Страница 55: ...EMP COLOR STD TEMP SETTING menu TEMP UNIT Chooses unit of temperature measure Celsius or Fahrenheit TEMP INPUT Chooses source of water temperature data sensor FURUNO or NMEA TEMP ADJUST Offsets water temperature indication to improve accuracy Effective only for FURUNO supplied water temperature sensor TEMP OUTPUT Turn on off water temperature data output TEMP READOUT Turns on off water temperature...

Страница 56: ...he NAV DATA SETTING menu chooses source of position and heading data DISP ALM TX RX E S SYSTEM Select speed unit Change set EXIT Exit NAV DATA SETTING SPEED UNIT kt SPEED INPUT SENSOR SPEED ADJUST 0 50 50 SPEED OUTPUT ON SPEED INFO OFF NMEA VERSION Ver 2 0 NAV DATA AUTO COURSE TRUE TLL OUTPUT OFF NAV DATA SETTING menu SPEED UNIT Chooses unit of speed measurement from knot kilometer and statute mil...

Страница 57: ...ta at the rate of 600 bps NAV DATA Chooses source of navigation data NMEA talker GPS Loran C Loran A Decca DR or AUTO Select AUTO when more than one talker data is input The order of priority is GPS Loran C Loran A Decca DR COURSE Chooses heading reference for heading data output from navigator TRUE or MAG magnetic bearing TLL OUTPUT Enables disables output of L L position to a navigation plotter ...

Страница 58: ...MAL TARGET ECHO TARGET ECHO menu TARGET ECHO Sets up the equipment according to fishing objective NORMAL For general fishing SURFACE For detecting surface fish Pulse repetition rate is higher than NORMAL on 1 kW and 2 kW transducers only those transducers registered on the menu SQUID For detecting squid and other individual fish The items below are automatically set as follows TX pulselength Short...

Страница 59: ...d bars each bar 30 seconds in time It is useful for estimating elapsed time 4 1 Color Bar The color bar shows the relation between echo intensity and echo color on the screen The top color reddish brown is the strongest color and the lower colors the weakest The bar can be used as a reference to estimate density of a fish school fish species and hardness of the bottom The background color can be s...

Страница 60: ... sea condition installation frequency pulselength and sensitivity A hard and rough bottom appears with a longer tail because it reflects more of the ultrasonic pulse Because of their stronger return shallow echoes appear wider than deep ones even when all bottom conditions are equal Also a longer bottom tail appears on slopes because of the difference in traveling time at both edges of the beam an...

Страница 61: ... School Echoes Fish quantity can be estimated to a certain extent from fish echoes on the screen if fish school size and fish school density are kept in mind Usually the size of fish echoes on the screen is proportional to the actual size of the fish school However if two fish echoes appear at different depths with the same size the fish school at shallower depth is smaller because the ultrasonic ...

Страница 62: ... Sparse echo Reddish Dense echo Difference in signal strength Weak Echo Strong Echo Fish school density 4 5 Other Echoes 4 5 1 Plankton A plankton layer a likely place to find fish is displayed in green or blue dots It usually descends in the day and rises at night Fish School Plankton Plankton 4 5 2 Current rip A current rip develops when two ocean currents of different speeds directions and wate...

Страница 63: ... gaps in the bottom echo on the screen may appear This is caused by air bubbles which block propagation of the sound wave Generally low frequency ultrasonic waves are interrupted more easily than high ones Ultrasonic wave blocked by aerated water Aerated water 4 5 5 False image Every time the ultrasonic pulse is transmitted some radiation escapes on each side of the beam called side lobes Echoes f...

Страница 64: ...4 INTERPRETING THE DISPLAY 4 6 This page is intentionally left blank ...

Страница 65: ...ed secure tightly Monthly Grounding If corroded clean Monthly Ship s mains voltage If out of ratings correct problem Monthly Display unit cleanliness Dust or dirt may be removed with a soft cloth Water diluted mild detergent may be used if desired DO NOT use chemical cleaners to clean the display unit they may remove paint and markings Use special care when cleaning the LCD since it scratches easi...

Страница 66: ...o line or zero line is not in correct position check if the range shifted Zero line does not appear when the range is shifted press the key so as the scale starts from 0 you suspect poor or low sensitivity check that the GAIN control is properly set the bottom is traced in zigzag pattern or you experience occasional loss of echo the sea may be rough Bottom is traced zigzag when the sea is rough ow...

Страница 67: ...0 kHz LOW FREQ LOW FREQ 50 kHz 50 kHz Press and hold MARKER key more than 3 sec to exit from TEST MODE Test menu 6 Press the key twice to select YES in the setting window YES NO Test setting window 7 The ROM SRAM DRAM and NMEA check results appear Water temperature and speed also appear if appropriate sensor is connected Program No 0252307 03 XX R O M OK S R A M OK D R A M OK N M E A OK Temp SENSO...

Страница 68: ... The pressed key s on screen location changes from 0 to 1 when the key is pressed 2 Operate each control The figure on the screen changes as below FUNCTION 1 to 8 RANGE 0 to 20 MODE 1 to 7 GAIN 0 to 255 3 To quit the diagnostic test press the MARKER TLL key more than three seconds to return to the SYSTEM menu then rotate the FUNCTION switch fully counterclockwise to select EXIT ...

Страница 69: ...elect TEST MODE 5 Press the key 6 Press the key to select TEST PATTERN 7 Press the key twice to select YES in the dialog box YES NO Test pattern selection dialog box 8 Press the key successively to change the test pattern in the sequence below BLUE GREEN BLACK WHITE RED 16 tones of RED 16 tones of GREEN 16 tones of BLUE Test pattern sequence 9 Press the MARKER TLL key more than three seconds to re...

Страница 70: ...clockwise to select MENU 2 Press the key to select the menu titles at the top of the menu 3 Press the key to select SYSTEM 4 Press the key to select DEFAULT SETTING 5 Press the key to show the DEFAULT SETTING menu DISP ALM TX RX E S SYSTEM Change set EXIT Exit DEFAULT SET NO DEFAULT SETTING Default setting menu 6 Press the key twice to select YES in the selection window YES NO Default setting sele...

Страница 71: ...tch CLUTTER TVG SIG LEVEL SIGNAL LEV OFF 16 colors 1 9 8 colors 1 4 ADVANCE A SCOPE PIC ADVNC STOP 1 16 1 8 1 4 1 2 1 1 2 1 3 1 4 1 A SCOPE OFF ON NL HF FREQ ADJ 10 0 10 0 0 0 HF NOISE LIM OFF N1 N2 N3 LF FREQ ADJ 10 0 10 0 0 0 LF NOISE LIM OFF N1 N2 N3 Underline default setting 1 Continued on the next page 1 The setting range is limited because the following frequencies can not be used 54 64 kHz ...

Страница 72: ... BOTTOM ZOOM TARGET ECHO Same as USER 1 default setting NORMAL HF Normal LF Normal HF Zoom LF Zoom MIX Normal HF Zm Nor LF Zm Nor LF HF LF Zm HF Zm HF MIX LF MIX LF HF Zm Nor LF Zm Nor HF LF HF MIX LF Zm Nor HF Zm Nor USER 1 USER 2 NAV DATA DISP OFF LEFT RIGHT NAV DATA MODE ALPHANUMERIC GRAPHIC1 GRAPHIC2 SHIFT PROG KEY SHIFT PIC ADVNC SIGNAL LEVEL HUE WHITE LINE PRR LEVEL BOTTOM LEVEL A SCOPE AUTO...

Страница 73: ... 3 COLOR 1 1 14 3 BACKGROUND 1 14 3 DEFAULT NO YES USER COLOR SETTING COLOR NO BKGD 16 colors ECHO1 ECHO15 8 colors ECHO1 ECHO7 RED 0 15 0 GREEN 0 15 2 BLUE 0 15 9 DEFAULT NO YES CUSTOM NO YES USER CLUTTER SETTING DISP ALM BOTTOM ALARM OFF ON Continued on next page ALARM DEPTH 0 6000ft 0ft ALARM ZONE 1 6000ft 10ft FISH ALARM OFF FISH BTM FISH TEMP ALARM OFF WITHIN RANGE OUT OF RANGE ALARM DEPTH FI...

Страница 74: ...FISHING DRAFT SETTING DRAFT 0 0 15 to 90 Sets draft depth for both high and low frequencies RANGE SETTING RANGE1 16 6000ft 30ft RANGE2 16 6000ft 60ft RANGE3 16 6000ft 120ft RANGE4 16 6000ft 250ft RANGE5 16 6000ft 500ft RANGE6 16 6000ft 1000ft RANGE7 16 6000ft 1600ft RANGE8 16 6000ft 3000ft M Z RANGE 16 600ft 16ft B L RANGE 16 600ft 16ft SPLIT RANGE OFF ON SYSTEM SYSTEM SETTING PICT ADV DIR LEFT RI...

Страница 75: ...URSE TRUE MAG TLL OUTPUT OFF ON NAV DATA SETTING TARGET ECHO TARGET ECHO NORMAL SURFACE SQUID DEEP SEA TEST MODE DIAGNOSTICS NO YES TEST PATTERN NO YES DEFAULT SETTING DEFAULT SET NO YES Continued from previous page TEMP UNIT C F TEMP INPUT SENSOR NMEA TEMP ADJUST 0 00 F 20 20 TEMP OUTPUT ON OFF TEMP READOUT OFF ON TEMP GRAPH OFF NARROW STD EXPAND TEMP COLOR STD WHITE RED BLACK YELLOW TEMP SETTING...

Страница 76: ...en Division The screen may be divided as below with SCREEN LAYOUT on the USER 1 2 sub menu of the USER menu Full screen HIGH NORMAL LOW NORMAL HIGH ZOOM HF Normal LF Normal HF Zoom LOW ZOOM MIX NORMAL LF Zoom MIX Normal ...

Страница 77: ...X H Z O O M H N O R M A L HIGH NORMAL HIGH ZOOM L Z O O M L N O R M A L LOW NORMAL LOW ZOOM L N O R M A L H N O R M A L HIGH NORMAL LOW NORMAL L Z O O M H Z O O M HIGH ZOOM LOW ZOOM H N O R M A L M I X N O R HIGH NORMAL MIX NORMAL L N O R M A L M I X N O R LOW NORMAL MIX NORMAL ...

Страница 78: ...A L H N O R M A L H Z O O M HIGH NORMAL HIGH ZOOM LOW NORMAL L N O R M A L H N O R M A L L Z O O M HIGH NORMAL LOW NORMAL LOW ZOOM L N O R M A L H N O R M A L M I X N O R MIX NORMAL HIGH NORMAL LOW NORMAL Fourths screen LF Zm Nor HF Zm Nor LOW NOR HIGH NOR LOW ZOOM HIGH ZOOM ...

Страница 79: ...ded vertically and horizontally as shown below with DISP DIVISION on the SYSTEM SETTING menu Vertical division LOW HIGH LF or HF DUAL LOW HIGH ZOOM ZOOM LOW HIGH NORMAL LOW HIGH A SCOPE ON LOW HIGH Z O O M H I G H L O W A S C O P E A S C O P E A S C O P E ...

Страница 80: ...APPENDIX A 10 Horizontal division LOW HIGH LF or HF DUAL HIGH LOW ZOOM ZOOM LOW HIGH LOW HIGH LOW HIGH HIGH LOW ZOOM NORMAL A SCOPE ON A S C O P E A S C P A S C P A S C P A S C P ...

Страница 81: ... Range 5 2000 m Shift 0 2000 m Expansion range 5 200 m 2 7 Display Advance Speed 7 steps Lines TX Freeze 1 16 1 8 1 4 1 2 1 1 2 1 3 1 4 1 2 8 Alarm Fish alarm Water temperature alarm Bottom alarm 2 9 Noise Limiter Frequency adjustable range 10 or 10 0 to 6 for 28 kHz 4 0 to 10 for 67 68 kHz 10 0 to 4 for 107 kHz 9 0 to 10 for 200 kHz 2 10 Automatic Indication Full auto Automatic bottom tracking Wa...

Страница 82: ...IRONMENTAL CONDITION 5 1 Temperature 15 C to 55 C 5 2 Relative Humidity Less than 95 at 40 C 5 3 Water Resistance Display Unit Panel IEC IPX5 6 COATING COLOR 6 1 Display Unit Panel N3 0 Sleektone No 535 Chassis 2 5GY5 1 5 ...

Страница 83: ...ination display 1 8 DISP menu 2 3 Display data 2 4 Display division 3 2 A 9 DRAFT SETTING menu 3 4 Dual frequency display 1 5 E E S menu 2 10 Echo stretch 2 5 F False image 4 5 Fish alarm 2 6 Fish school echoes 4 3 Free shift 3 2 Fuse replacement 5 2 G GAIN control 1 13 Gain offset 2 9 H Heading reference 3 9 Hue 2 3 I Indications 1 2 L Language 3 3 M Maintenance 5 1 Marker line 1 14 MARKER TLL ke...

Страница 84: ...etup 3 8 3 9 STC 2 9 Surface noise 4 5 System configuration v SYSTEM menu 3 1 SYSTEM SETTING menu 3 2 T TARGET ECHO menu 3 10 Temp alarm 2 6 Temperature data setup 3 7 3 8 Test pattern 5 5 TLL output 3 9 Troubleshooting 5 2 TVG 1 16 Tx pulse 2 9 TX RX menu 2 8 U USER CLUTTER SETTING menu 2 17 USER COLOR SETTING menu 2 16 User display 1 9 USER menu 2 12 V VRM 1 13 W White line 2 3 White marker 2 4 ...

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