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JRC JFC-180BB Instruction Manual
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JRC JFC-180BB Instruction Manual

JRC JFC-180BB Instruction Manual

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JFC-180BB
Echo Sounder
Instruction Manual
<Basic>
Preparation
Basic operation
To make the best of [CM] keys
Useful operation
Maintenance and Inspection
Specifications
Outside Drawing
Index
1
2
3
4
5
6
7
8

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Summary of Contents for JRC JFC-180BB

  • Page 1 Preparation Basic operation To make the best of [CM] keys Useful operation Maintenance and Inspection Specifications JFC-180BB Outside Drawing Index Echo Sounder Instruction Manual <Basic>...
  • Page 3 Cautions for High Voltage High voltages, ranging from several hundreds to tens of thousands of volts, are used in electronic apparatus, such as radio and radar instruments. These voltages are totally harmless in most operations. However, touching a component inside the unit is very dangerous.
  • Page 4 Precautions for Rescue of Victim of Electric Shock When a victim of electric shock is found, turn off the power source and ground the circuit immediately. If this is impossible, move the victim away from the unit as quick as possible without touching him or her with bare hands.
  • Page 5 Method of First-Aid Treatment Precautions for First-Aid Treatments Whenever a person is struck by an electrical shock, give the patient artificial respiration immediately on the spot, unless it is absolutely necessary to move the patient for safety's sake. Once started, artificial respiration should be continued rhythmically. (1) Refrain from touching the patient carelessly as a result of the accident;...
  • Page 6  Treatment to Give When the Patient Has a Pulse Beating but Has Ceased to Breathe ∗ Performing mouth-to-mouth artificial respiration - Fig. 1 (1) Bend the patient's face backward until it is directed to look back. (A pillow may be placed under the neck.) (2) Pull up the lower jaw to open up the airway.
  • Page 7 (3) Blowing air into the patient's lungs. Blow air into the patient's lungs until chest is seen to rise. The first 10 breaths must be blown as fast as possible. Fig. 1 Mouth-to-mouth artificial respiration  Treatment to Give When the Patient Has No Pulse Beating and Has Ceased to Breathe ∗...
  • Page 8 Fig. 2 Cardiac massage 7ZPNA4617A...
  • Page 9 Procedure for cardiopulmonary resuscitation (CPR) using the AED (Automated External Defibrillator) A person is collapsing. A person is collapsing. - Secure the safety of the surrounding area. - Secure the safety of the surrounding area. - Prevent secondary disasters. - Prevent secondary disasters. Listen to the appeal of the Responding Check for response.
  • Page 10 Procedure for Cardiopulmonary Resuscitation (CPR) Using the AED (Automated External Defibrillator) 1． Check the scene for safety to prevent secondary disasters a) Do not touch the injured or ill person in panic when an accident has Are you OK? occurred. (Doing so may cause electric shock to the first-aiders.) b) Do not panic and be sure to turn off the power.
  • Page 11 6． Check for breathing a) After opening the airway, check quickly for breathing for no more than 10 seconds. Put your cheek down by the mouth and nose area of the injured or ill person, look at his/her chest and abdomen, and check the following three points.
  • Page 12 8． Cardiopulmonary resuscitation (CPR) (combination of chest compressions and rescue breaths) a) Chest compressions 1) Position of chest compressions • Position the heel of one hand in the center of the chest, approximately between the nipples, and place your other hand on top of the one that is in position. 2) Perform chest compressions Compress with these...
  • Page 13 9． When to stop cardiopulmonary resuscitation (CPR) a) When the injured or ill person has been handed over to the emergency services b) When the injured or ill person has started moaning or breathing normally, lay him/her on his/her side in a recovery position and wait for the arrival of emergency services.
  • Page 14 12． Electrocardiogram analysis a) The AED automatically analyzes electrocardiograms. Follow the voice prompts of the AED and ensure that nobody is touching the injured or ill person while you are operating the AED. b) On some AED models, you may need to push a button to analyze the heart rhythm.
  • Page 15 16． When to stop CPR (Keep the electrode pads on.) a) When the injured or ill person has been handed over to the emergency services b) When the injured or ill person has started moaning or breathing normally, lay him/her on his/her side in a recovery position and wait for the arrival of emergency services.
  • Page 16 • JRC is not liable for any damages caused by earthquake, lightning, wind and flood damage and fire for which JRC is not responsible, and actions by third parties, other accidents, customer’s unintended error/abuse and the use under other abnormal conditions.
  • Page 17 JFC-180BB Before Operation Before Operation Pictorial Indication Various pictorial indications are included in this instruction manual and are shown on this equipment so that you can operate them safely and correctly and prevent any danger to you and / or to other persons and any damage to your property during operation.
  • Page 18 Then, start the work. Cautions on handling No disassembly or modification of this equipment is allowed. It may lead to failure, firing, smoking or electric shock. In case of failure, please contact JRC’s dealers or JRC. 7ZPNA4617A...
  • Page 19 JFC-180BB Before Operation Cautions on handling The information displayed on this equipment is not intended to use for your navigation. For your navigation, be sure to see the specified materials. Please use the specified fuses. If un-specified fuses are used, they may cause firing, smoking or damages.
  • Page 20 Contents JFC-180BB Contents Caution ..........................i PREFACE ..........................xiv Before Operation........................xv Pictorial Indication ..................................xv Examples of Pictorial Indication ............................. xv Warning Label ....................................xv Precautions upon Equipment Operation .......................... xvi Contents ..........................xviii Chapter 1 Preparation ........................1-1 1.1 Introduction ........................1-1 1.2 Features ........................
  • Page 21 JFC-180BB Contents 2.4.2 Operation of VRM in Active Screen ....................2-72 2.4.3 Operation of VRM on all Screens ...................... 2-74 2.5 Reduction of noise on images ..................2-76 2.5.1 To reject interference ..........................2-76 2.5.2 To erase the weak response from dust and plankton, etc......... 2-80 2.5.3 To reduce noise ...............................
  • Page 22 Contents JFC-180BB 7ZPNA4617A...
  • Page 23 Chapter 1 Preparation 1.1 Introduction JFC-180BB is the Black Box type without the display unit, for which customer can select the display monitor of preference. The external monitor and connecting cable are user supply. This unit equipped with the latest digital process can accurately display circumstances in the water under all conditions.
  • Page 24 Chapter 1 Preparation JFC-180BB 1.3 Configuration of Equipment Standard Equipment Configuration List of JFC-180BB Weight/ Name of item Type Remark Length Processor unit J : Japanese edition NCM-1810J/E 5.6kg E : English edition Operation unit J : Japanese edition E : English edition 0.7kg/...
  • Page 25 JFC-180BB Chapter 1 Preparation Type of transducer (Select from the following. TDM-052A is the standard selection equipment) Material/ Beam width (- 6 dB) Frequency Mounting Specification Cable length/ (Right and left x output method Cable diameter Back and forth)(-6 dB)
  • Page 26 Chapter 1 Preparation JFC-180BB Option List Name of Item Specification Remark Weight/ Length Cable configuration is the same Specify Transducer as TDM-052A/ TDM-062A. (Refer length at C44-02 extension cable to Installation manual “Connection order of transducer”, page 1-29) Grounding cable OW7/1.6S-3M...
  • Page 27 JFC-180BB Chapter 1 Preparation 1.4 System Diagram Legend Standard configuration Option Owner supply Processor unit NCM-1810J/E CW-560-2M External Monitor (Owners supply) Cable for External monitor Connector of Operation unit Operation unit NCH-1800J/E CW-409-5M CW-409-2M CW-409-10M J1 connector External echo sounder...
  • Page 28 Chapter 1 Preparation JFC-180BB 1.5 To use keys Operation unit of JFC-180BB 15 16 9 10 11 Key Name Description [BRILL Press: Power on. Adjusts brilliance of the panel. Long-press: Power off. [SHIFT/ M OFF] Press: Switches ON/OFF of Shift...
  • Page 29 JFC-180BB Chapter 1 Preparation [←│←/NAV] Press: Changes the image scroll speed. Long-press: Displays the navigation screen. [EVENT] Press: Outputs the present position or the event cursor position in TLL sentences. Store image. Starts homing. Long-press: Displays the images of CCD camera.
  • Page 30 Caution: If an error occurs during the memory check, LEDs on the operation panel blink to indicate possible failure of the unit. In this case, please contact a dealer of JRC or JRC. Caution: Please wait until the echo sounder screen is displayed after the power is turned on.
  • Page 31 JFC-180BB Chapter 1 Preparation 1.6.2 Power Off Keep pressing the [BRILL ] key for 3 seconds to power off. After countdown for power shut down, when the indication below is displayed, release the key immediately. After 15 seconds, power is switched off automatically.
  • Page 32 Chapter 1 Preparation JFC-180BB 1.8 To use Menu JFC-180BB have two kinds of menu, [MENU] and [SUBMENU]. The operation of the both menus is basically the same. 1.8.1 Open/Close the Menu To display the menu, press the [MENU] key List of menu items, message boxes of operation guide and function guide are displayed as...
  • Page 33 JFC-180BB Chapter 1 Preparation 1.8.2 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 34 Chapter 1 Preparation JFC-180BB Press [ ] key of . ., and the setting box appears with the corresponding selection items. Press [▲] key or [▼] key of , to change the setting. Press [ ] key of or [SUBMENU] key .
  • Page 35 JFC-180BB Chapter 1 Preparation 1.8.3 Open/Close of Submenu To display the Submenu, press the [SUBMENU] key List of Submenu items, operation guide box and function guide box are displayed as shown below: Name of the selected menu Cursor Menu column Setting item column...
  • Page 36 Chapter 1 Preparation JFC-180BB 1.8.4 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 37 JFC-180BB Chapter 1 Preparation Then, press [ ] key of , and the setting box appears with the corresponding selection items. Press [▲] key or [▼] key of to change the setting. To return the cursor to the set item column, press [ ] key of or [SUBMENU] key .
  • Page 38 Chapter 1 Preparation JFC-180BB 1.9 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 39 JFC-180BB Chapter 1 Preparation 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 40 Chapter 1 Preparation JFC-180BB 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 41 JFC-180BB Chapter 1 Preparation 1.10 Adjustment of brilliance for comfortable viewing 1.10.1 Adjustment of panel brilliance The brilliance of display panel can be adjusted at [Panel Brill] When [BRILL ] key is pressed, the [Panel Brill] box is displayed. When [▲] key of is pressed, the panel brilliance turns brighter and when [▼] key is...
  • Page 42 Chapter 1 Preparation JFC-180BB 1-20 7ZPNA4617A...
  • Page 43 • Selection of changing method of gain 2.1.1 Display of 1-frequency/displays of 2-frequency and more JFC-180BB 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 44 Chapter 2 Basic operation JFC-180BB 4. Press [ENT] key 5. Moving the cursor with , select [Normal], [Mix] or [OFF] in the Standard Echo Display items of high frequency 2, and press [ENT] key When [Normal] is selected, normal images are displayed on high frequency 2 screen.
  • Page 45 Chapter 2 Basic operation 2.1.2 Setting frequency to match the transducer to be used On JFC-180BB, the frequencies used for 4 screens can be set in a range of 24 to 240 kHz. The range of selectable frequency depends on the transducers connected.
  • Page 46 Chapter 2 Basic operation JFC-180BB 6. Increase or decrease the value with [▲] and [▼] key of to set frequency. [▲] key: The numeric value increases. [▼] key: The numeric value decreases. When the key is kept pressed, the value automatically shifts to the upper digit.
  • Page 47 Setting up of frequency: Relation between a transceiver and display screen For JFC-180BB, 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 48 Chapter 2 Basic operation JFC-180BB 2.1.3 Displaying of zoom images To display zoom images: 1. Press the [CM] key used (Lights red [CM] key). When CM1 is lit red, press the [CM1] key 2. The CM menu is displayed. 3. Moving the cursor with , select [OFF], [Bottom], [B.D.(Bottom Discrimination)],...
  • Page 49 JFC-180BB 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 50 Chapter 2 Basic operation JFC-180BB 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 51 JFC-180BB Chapter 2 Basic operation 3. Zoom Normal Zoom range images Zoom part Specifying a shift position, the images under the position is displayed in the specified zoom range. As the zoomed image at the specified positions is displayed, this is an effective zooming mode for the case when image at particular depth is required for fishing of alfonsino, etc.
  • Page 52 Chapter 2 Basic operation JFC-180BB 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 53 JFC-180BB Chapter 2 Basic operation 5. Bottom follow zoom Normal images Zoom range Bottom follow zoom In a specified zoom range, the sea bottom is displayed by automatic shift to be displayed within a range between 30 % and 90 % from the top of images This is an effective zooming mode to determine the geomorphic changes of sea bottom.
  • Page 54 Chapter 2 Basic operation JFC-180BB To change the range of zoomed images When the icon to show the mode of [Range] and [Shift] keys is in header display, the range of the zoomed images can be changed. 1. When the icon of header display part is , press [NORMAL/ZOOM] key 2.
  • Page 55 JFC-180BB Chapter 2 Basic operation Screen Width of Zoom Image: The screen width of zoomed images can be changed to 3 steps of [Wide], [Medium] and [Narrow] depending on preference. <Examples of Width of Zoom Image (in the case of Bottom)>...
  • Page 56 Chapter 2 Basic operation JFC-180BB 4. [Disp. Setup 1] of Menu is displayed. With [▲] or [▼] keys of , point the cursor to [Width of Zoom Image]. Disp. Setup1 Width of Zoom Image 5. Press [ ] key of 6.
  • Page 57 JFC-180BB 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. For example, when high frequency is 200 kHz, the wavelength of underwater acoustic wave is 0.75 cm, and when low frequency is 50 kHz, the wavelength of underwater acoustic wave is...
  • Page 58 Chapter 2 Basic operation JFC-180BB To display mixed images: 1. Press [CM] key used (Lights red). When CM1 is lit red, press it 2. CM menu is displayed. 3. Moving cursor with , point the cursor to [Mix] of high frequency 2 or Low frequency 1 of Standard Echo Display items.
  • Page 59 JFC-180BB Chapter 2 Basic operation To change the type of mixed image: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [Disp. Setup1] with [▲] or [▼] keys of 3. Press [ ] key of 4. [Disp. Setup1] of the menu is displayed. Move the cursor to [Mix] with [▲] and [▼] keys Disp.
  • Page 60 Chapter 2 Basic operation JFC-180BB 5. Press [ ] key of 6. [Mix] of the menu is displayed. Move the cursor to the desired mix type with [▲] and [▼] keys of to select. 7. Pressing [MENU] key , the menu disappears and the selected mix mode is set.
  • Page 61 JFC-180BB 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 62 Chapter 2 Basic operation JFC-180BB 4. Press [ENT] key 5. Repeat the procedures 3 and 4 above for pulse length of high frequency 2, low frequency 1 and low frequency 2 6. Press [CM1] key to close CM menu ([CM] key lit red).
  • Page 63 JFC-180BB Chapter 2 Basic operation 4. [Manual Set] of menu is displayed. Move the cursor at [Pulse Length HF1] with [▲] or [▼] keys of 5. Press [ ] of 6. [Pulse Length HF1] of the menu is displayed. Move the cursor with [▲] or [▼] keys , and select one of [Short], [Medium] or [Long].
  • Page 64 Chapter 2 Basic operation JFC-180BB 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 65 JFC-180BB Chapter 2 Basic operation 4. Press [ENT] key 5. Repeat the procedures 3 and 4 for frequency bandwidth of high frequency 2, low frequency 1 and low frequency 2 6. Press [CM1] key to close CM menu ([CM] key lights red).
  • Page 66 Chapter 2 Basic operation JFC-180BB 4. [Manual Set] of the menu is displayed. Move the cursor to [Bandwidth HF 1] with [▲] or [▼] keys of 5. Press [ ] of 6. [Bandwidth HF 1] of menu is displayed, Move the cursor with [▲] or [▼] keys of and select [Narrow], [1], [2], [3], [4] or [Wide].
  • Page 67 Chapter 2 Basic operation 2.1.7 Selection of gain adjustment method JFC-180BB can display images up to 4 frequencies and gain can be adjusted for each images. Adjustment of gain is individually done with two gain knobs after selecting of a screen to adjust.
  • Page 68 Chapter 2 Basic operation JFC-180BB 2.2 Adjustment of echo sounder To use echo sounder, it is necessary to adjust depth range (Range) and gain depending on the circumstances. The main adjustment items are as follows: • Switching Range mode •...
  • Page 69 JFC-180BB 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 70 Chapter 2 Basic operation JFC-180BB 2.2.2 Switching of Normal/Zoom for range and shift operation The range key has two functions of “to change range of normal image” and “to change range of zoomed image”, and the shift key has two functions of “to change shift of normal image”...
  • Page 71 JFC-180BB Chapter 2 Basic operation 2.2.3 Manual change of a range for normal image When Range mode is Manual, the range can be changed manually. In manual range, each time range key is pressed range changes among the 8 ranges registered.
  • Page 72 Chapter 2 Basic operation JFC-180BB Switching the range operation to “Change with [All Screens Same]” or to “Change with [Scr. Individual]: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [Range Setup] with [▲] or [▼] keys of 3.
  • Page 73 JFC-180BB Chapter 2 Basic operation 6. [Range Operation] of menu is displayed. Moving the cursor with [▲] or [▼] keys of select [All Screens Same] or [Scr. Individual]. 7. When [MENU] key is pressed, the menu disappears and the setup of range operation is complete.
  • Page 74 Chapter 2 Basic operation JFC-180BB To register ranges: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [Range Setup] with [▲] or [▼] keys of 3. Press [ ] of 4. [Range Setup] of the menu is displayed. Move the cursor to [Range1] with [▲] or [▼] keys 5.
  • Page 75 JFC-180BB Chapter 2 Basic operation 6. [Range1] of the menu is displayed. Set range by increasing or decreasing numeric value with [▲] or [▼] keys of ・ The numeric value increases with [▲] key. ・ The numeric value decreases with [▼] key.
  • Page 76 Chapter 2 Basic operation JFC-180BB T o change ranges: 1. When the header display is , range of normal images can be changed. If the header display is , press [NORMAL/ZOOM] key to turn to 2. When [▲] of [RANGE] key is pressed, the No.
  • Page 77 JFC-180BB Chapter 2 Basic operation To switch the operation screen for individual range: 1. At the left bottom corner of each screen, nothing is shown, or [Gain knob icon] of (red) or (green) is displayed. The range operation can be performed on the screen where [Gain knob icon] (red) is displayed.
  • Page 78 Chapter 2 Basic operation JFC-180BB 2.2.4 Manual change of shift positions of normal images When Range Mode is set at manual, shift can be changed manually. In the manual shift, there are two ways: one is to change shift positions of 4-frequency images with [All Screens Same] and another is to change images per frequency with [Scr.
  • Page 79 JFC-180BB Chapter 2 Basic operation To switch shift operation into “Changes with [All Screens Same] “or “Change with [Scr. Individual]”: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [Shift Setup] with [▲] or [▼] keys of 3.
  • Page 80 Chapter 2 Basic operation JFC-180BB 6. [Shift Operation] of the menu is displayed. Move the cursor with [▲] or [▼] keys of and select [All Screens Same] or [Scr. Individual]. 7. Press [MENU] key , and the menu disappears and the setup of shift operation is complete.
  • Page 81 JFC-180BB Chapter 2 Basic operation To s witch over the shift operation type: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [Shift Setup] with [▲] or [▼] keys of 3. Press [ ] of 4. [Shift Setup] of the menu is displayed. Move the cursor to [Shift Type] with [▲] or [▼] keys 5.
  • Page 82 Chapter 2 Basic operation JFC-180BB 6. [Shift Type] of the menu is displayed. Move the cursor with [▲] or [▼] keys of and to select one of [Numerical Value], [Range Dependant], [Preset Value] or [Range Ratio]. 7. Press [MENU] key , and the menu disappears and the setup of shift type is complete.
  • Page 83 JFC-180BB Chapter 2 Basic operation 3. Preset Value Total 8 shift preset from [Main Menu], [Shift Setup], [Shift Preset1] to [Shift Preset8] can be switched each time shift key is pressed. When [▲] of [Shift] key is pressed, the shift changes to the registered range with one number smaller.
  • Page 84 Chapter 2 Basic operation JFC-180BB 4. [Range Setup] of the menu is displayed. Move the cursor to [Shift Preset1] with [▲] or [▼] keys of 5. Press [ ] key of 6. [Shift Preset1] of the menu is displayed. Set the range by increasing/decreasing of the numeric values with [▲] or [▼] keys of...
  • Page 85 JFC-180BB Chapter 2 Basic operation To change shift: 1. When the header display is , shift of normal images can change. When the header display is , press [NORMAL/ZOOM] key to turn to 2. When [▲] of [Shift] key is pressed, it shifts to shallow direction.
  • Page 86 Chapter 2 Basic operation JFC-180BB To switch ON/OFF of shift: 1. Each time [SHIFT/M OFF] key is pressed , the shift is switched on or off. The icon showing the shift conditions in header display changes: Shift at [All Screens Same] : ON Shift : [OFF] Shift at [Scr.
  • Page 87 JFC-180BB Chapter 2 Basic operation 2. To turn [Gain knob icon] to (red), press [GAIN-L/SEL] for the left screen and [GAIN-R/SEL] for the right screen until [Gain knob icon] turns (red). 3. When [Shift] key is pressed, [Gain knob icon] turns to (red) shift.
  • Page 88 In the synchronized gain, the gain of all screens change keeping the gain difference between screens. On JFC-180BB, 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 89 JFC-180BB Chapter 2 Basic operation 3. Press [ENT] key 4. Press [CM1] key (lights red [CM] key) to close CM menu. For adjustment of gain per screen (individually): • In the case of single frequency screen: Regardless of frequency, operate with [GAIN-R/SEL]...
  • Page 90 Chapter 2 Basic operation JFC-180BB When [GAIN-L/SEL] or [GAIN-R/SEL] are turned to right, the gain increases, and when turned to left, the gain decreases. • In the case of 3-frequency screen: Regardless of frequency, the gain at left side screen is operated with [GAIN-L/SEL]...
  • Page 91 JFC-180BB Chapter 2 Basic operation • In the case of 4-frequency screen: Regardless of frequency, the gain of two left screens (Low frequency 2/Low frequency 1) is operated with [GAIN-L/SEL] and the gain of two right screens (High frequency 2/...
  • Page 92 Chapter 2 Basic operation JFC-180BB To adjust the gain: The gain can be adjusted on the screens on which [Gain knob icon] of (red) or (green) is displayed at the lower left. When gain knob is not displayed on the lower left of the screen of which the gain is intended...
  • Page 93 JFC-180BB Chapter 2 Basic operation For gain adjustment of all screens at the same time (synchronized): 1. At CM1, press [CM1] key (Lights red [CM] key). 2. CM menu is displayed. Move the cursor to [Synchronized] of the Gain item with Gain item 3.
  • Page 94 Chapter 2 Basic operation JFC-180BB For gain adjustment of all screens at same time (synchronized): 1. If [GAIN-L/SEL] or [GAIN-R/SEL] is turned, the [Synchronized Gain] box is displayed. This [Synchronized Gain] box indicates amount of change in ± value commonly given to the gain individually set per each screen.
  • Page 95 JFC-180BB Chapter 2 Basic operation Types of gain change: There are two types of gain change when gain adjustment is done with a gain knob. One is that the gain of all screens including images in the past is changed and the other is that only the gain of the current mages is changed.
  • Page 96 Chapter 2 Basic operation JFC-180BB 4. [System] of the SUBMENU is displayed. Move the cursor to [Gain Type] with [▲] or [▼] keys of System Gain Type 5. Press [ ] key of 6. [Gain Type] of the SUBMENU is displayed. Move the cursor to [Retractive Gain] or [Current Image] with [▲] or [▼] keys of...
  • Page 97 JFC-180BB Chapter 2 Basic operation 2.2.6 Adjustment of TVG The reflected signals of echo sounder have less sensitivity due to attenuation, as depth is deeper. This means that the same fish schools at shallower positions are displayed stronger and those at deeper positions are displayed weaker.
  • Page 98 Chapter 2 Basic operation JFC-180BB 4. [TVG] of the menu is displayed. Move the cursor to [TVG Type] with [▲] or [▼] keys 5. Press [ ] of 6. [TVG Type] of the menu is displayed. Move the cursor and select [Manual] or [Optimized] with [▲] or [▼] keys of...
  • Page 99 JFC-180BB 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 100 Chapter 2 Basic operation JFC-180BB To adjust TVG Adjust in main menu: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [TVG] with [▲] or [▼] keys of 3. Press [ ] key of 4. [TVG] of the menu is displayed. Move the cursor to [TVG Adjust HF1] with [▲] or [▼] keys 5.
  • Page 101 JFC-180BB Chapter 2 Basic operation 6. [TVG Adjust HF1] of the menu is displayed. Set [TVG Adjust HF1] by increasing and decreasing the numeric value with [▲] or [▼] keys of With [▲] key, the value increases. With [▼] key, the value decreases.
  • Page 102 Chapter 2 Basic operation JFC-180BB 5. Adjust the numeric value with [▲] or [▼] keys of to set [TVG Adjust HF1]. With [▲] key, the value increases. With [▼] key, the value decreases. 6. Press [SUBMENU] key or [MENU] key , and [TVG Adjust XXX] box disappears.
  • Page 103 JFC-180BB Chapter 2 Basic operation To manually adjust TVG in main menu: 1. Press [MENU] key 2. The main menu is displayed. Move the cursor to [TVG] with [▲] or [▼] keys of 3. Press of [ ] key of 4.
  • Page 104 Chapter 2 Basic operation JFC-180BB 6. [TVG Strength HF1] of the menu is displayed. Increase or decrease the numeric value with [▲] or [▼] keys of to set [TVG Strength HF1]. With [▲] key, the value increases. With [▼] key, the value decreases.
  • Page 105 JFC-180BB Chapter 2 Basic operation To manually adjust TVG with [F1]/[F2] keys: 1. At first, assign [MENU] key or [F2] key with [TVG]. As for the setting method of [F1]/[F2] keys, see “4.2.2 Assign intended operation to function keys ([F1]/[F2])”, p 4 - 2.
  • Page 106 Chapter 2 Basic operation JFC-180BB 7. In the case of [TVG Depth HF1], set [TVG Depth HF1] by increasing or decreasing the numeric value with [▲] or [▼] keys of With [▲] key, the value increases. With [▼] key, the value decreases 8.
  • Page 107 The reflected signals of echo sounder have less sensitivity due to attenuation, as depth is deeper. In the TVG correction for JFC-180BB, 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 108 Chapter 2 Basic operation JFC-180BB 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,...
  • Page 109 JFC-180BB 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 110 Chapter 2 Basic operation JFC-180BB 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 111 JFC-180BB 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 112 Chapter 2 Basic operation JFC-180BB <Example of display of VRM whole screen (Screen individual range)> VRM 1 line VRM 2 lines 2.4.1 Changing of VRM follow interval Under the first VRM, another VRM with interval can be displayed. This VRM follows the movement of the first VRM keeping the interval, and this is intended to use as a guidance of depth for casting a net.
  • Page 113 JFC-180BB Chapter 2 Basic operation 4. The menu [Disp. setup 2] is displayed. Move the cursor to [VRM Interval] with [▲] or [▼] keys of 5. Press [ ] key of 6. The menu [VRM Interval] is displayed. Set an interval by increasing or decreasing a numeric value with [▲] or [▼] keys of...
  • Page 114 Chapter 2 Basic operation JFC-180BB 2.4.2 Operation of VRM in Active Screen To switch VRM display to Active Screen: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [Disp. Setup 2] with [▲] or [▼] keys of 3.
  • Page 115 JFC-180BB Chapter 2 Basic operation 6. The menu [VRM Image] is displayed. Move the cursor with [▲] or [▼] keys of , and select [Active Screen] and [All Screens]. 7. Press [MENU] key , and the menu disappears and the selected VRM image is set.
  • Page 116 Chapter 2 Basic operation JFC-180BB 2.4.3 Operation of VRM on all Screens To switch over VRM Image to All Screens: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [Disp. Setup2] with [▲] or [▼] keys of 3.
  • Page 117 JFC-180BB Chapter 2 Basic operation 6. The menu [VRM Image] is displayed. Select [Active Screen] [All Screens] by moving the cursor with [▲] or [▼] keys of 7. Press [MENU] key , and the menu disappears and the selected VRM Image is set.
  • Page 118 2. Blur due to micro animate beings such as plankton 3. Noise caused by electric signal synchronized with transceiver JFC-180BB 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 119 JFC-180BB Chapter 2 Basic operation To avoid the reception of interference wave by shifting your own frequency: 1. Press the CM key used (lights red [CM] key). Press the [CM1] key when CM1 is lit red. 2. CM menu is displayed.
  • Page 120 Chapter 2 Basic operation JFC-180BB To setup [IR] (Interference Rejection) function and to eliminate interference wave: There are 3 steps of setting: [OFF], [Low] and [High] for interference rejection function. If interference does not disappear at the set of [Low], then the set change the setting to [High].
  • Page 121 JFC-180BB Chapter 2 Basic operation 6. The menu [IR] is displayed. Select [Low] with [▲] or [▼] of 7. By viewing images, confirm that interference has disappeared. 8. If not, select [High] with [▲] or [▼] keys of 9. Press [MENU] key , and the menu disappears.
  • Page 122 Chapter 2 Basic operation JFC-180BB 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 123 JFC-180BB Chapter 2 Basic operation To set [Color Erase]: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [Echo Adjust] with [▲] or [▼] of 3. Press [ ] key of 4. The menu [Echo Adjust] is displayed. Move the cursor to [Color Erase] with [▲] or [▼] keys 5.
  • Page 124 Chapter 2 Basic operation JFC-180BB 6. The menu of [Color Erase] is displayed. Adjust [%] with [▲] or [▼] keys of With [▲] key, [%] increases (Bluish color first disappears first). With [▼] key, [%] decreases (Disappeared color comes out).
  • Page 125 JFC-180BB 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 126 Chapter 2 Basic operation JFC-180BB To set [Noise Reduction]: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [Echo Adjust] with [▲] or [▼] keys of 3. Press [ ] key of 4. The menu [Echo Adjust] is displayed. Move the cursor to [Noise Reduction] with [▲] or [▼] keys of 5.
  • Page 127 , and the menu disappears. 2.5.3 To reduce noise JFC-180BB is equipped with the [Noise Reduction] function. 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 128 Chapter 2 Basic operation JFC-180BB 2-86 7ZPNA4617A...
  • Page 129 JFC-180BB is equipped with six [CM] keys, so can be used as if six units of echo sounders were used at a time.
  • Page 130 Chapter 3 To make the best of [CM] keys JFC-180BB 3.1.1 To use [CM] key for switching screen modes JFC-180BB is not equipped with the switching knobs or dedicated keys for screen modes like conventional echo sounders. Instead, 6 types of screen modes* can be memorized with 6 keys of CM1 to CM6.
  • Page 131 JFC-180BB Chapter 3 To make the best of [CM] keys To set [CM] key to [Screen mode switching]: 1. Press [SUBMENU] key 2. The SUBMENU is displayed. Move the cursor to [System] with [▲] or [▼] keys of 3. Press [ ] of 4.
  • Page 132 Chapter 3 To make the best of [CM] keys JFC-180BB 5. Press [ ] of 6. The SUBMENU [CM Key Usage] is displayed. Move the cursor to [Screen Mode] with [▲] or [▼] keys of 7. Press [MENU] key , the SUBMENU disappears and CM key is set at [Screen Mode Switching].
  • Page 133 JFC-180BB Chapter 3 To make the best of [CM] keys 6. For selection of Standard Echo Display of high frequency 2, low frequency 1 and low frequency 2, repeat the procedures 4 and 5. 7. Select Zoom Display. Move the cursor with to select [OFF], [Bottom], [B.D.], [Zoom],...
  • Page 134 Chapter 3 To make the best of [CM] keys JFC-180BB 3.1.2 To use [CM] keys as one touch switch to the memorized setting to the fishing positions When one of the CM1 to CM6 keys (CM key lit green) is pressed, screen mode, range, shift, gain, MENU set items and SUBMENU set items are switched over to the preset setting in the key (light color turns red).
  • Page 135 JFC-180BB Chapter 3 To make the best of [CM] keys To set [CM] key to [One touch switch of setting] : 1. Press [SUBMENU] key 2. The SUBMENU is displayed. Move the cursor to [System] with [▲] or [▼] of 3.
  • Page 136 Chapter 3 To make the best of [CM] keys JFC-180BB 5. Press [ ] of 6. The SUBMENU [CM Key Usage] is displayed. Move the cursor to [CM] with [▲] or [▼] 7. Press [MENU] key , and the SUBMENU disappears and the CM key is set to [Setup one touch switching].
  • Page 137 JFC-180BB Chapter 3 To make the best of [CM] keys 2. Then, keep pressing the key [CM2] until a guide of [Save setting to CM2] is indicated. [CM2] key blinks in red and green. 3. Move the cursor to [Yes] with [▲] or [▼] of 4.
  • Page 138 Chapter 3 To make the best of [CM] keys JFC-180BB 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 139 JFC-180BB 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 140 Chapter 3 To make the best of [CM] keys JFC-180BB 3-12 7ZPNA4617A...
  • Page 141 JFC-180BB Chapter 4 Useful operation Chapter 4 Useful operation 4.1 Temporary change of images for better view In the images of echo sounders, normally such various information is overlaid as image title, water depth, water temperature, boat speed, color bar scale, alarm range bar, enlargement range bar.
  • Page 142 Chapter 4 Useful operation JFC-180BB 4.2.2 Assign intended operation to function keys ([F1]/[F2]) The functions can be assigned to [F1]/[F2]: Icon Function Icon Function : VRM Interval : Shift Digit Input : Nav Start : IR (Interference rejection) : Image Recall...
  • Page 143 JFC-180BB Chapter 4 Useful operation 4.3 Switching of range mode There are 3 types of range modes: [Auto Range], [Manual] and [Auto Shift]. [Auto Range] is the mode to switch the depth range automatically to display sea bottom always on the display screen.
  • Page 144 Chapter 4 Useful operation JFC-180BB 4.3.2 Setting of auto range [Auto Range] is the function to switch depth range automatically to display sea bottom always on the displayed screen. When sea bottom falls outside of the display screen, it turns to the sea bottom search mode with deeper range after a specific number of transmission (depending on the ranges, more frequent at shallower range and less frequent at deeper range).
  • Page 145 JFC-180BB Chapter 4 Useful operation Function to specify the maximum search range so as to reduce deterioration of cycle period: To set [Sounding Limit] at sea bottom search mode: 1. Press [MENU] key 2. The menu is displayed. Move the cursor to [BTM Search] with [▲] or [▼] keys of 3.
  • Page 146 Chapter 4 Useful operation JFC-180BB With [ ] key, the value moves to larger digit. With [ ] key, the value moves to smaller digit. With [▲] key, the value increases. With [▼] key, the value decreases. 7. Press [MENU] key , and the menu disappears.
  • Page 147 JFC-180BB Chapter 4 Useful operation 3. Press [ENT] key . Range Mode is set at [Auto Shift]. When [Auto Shift] is set, [Auto Shift] is displayed in the header display showing Range Mode. Caution: During the operation of auto shift, [Shift] key is disabled. In addition, the shift operation is set to [All Screen Same], and the [Scr.
  • Page 148 Chapter 4 Useful operation JFC-180BB 4.4 To use event key [Event] key can be switched over among 3 functions: [Store Position] to register waypoints and to output the position information externally as TLL data, [Store Image] to store fish images as image files on screen, and [Homing] to assist return to the positions where events have been registered.
  • Page 149 JFC-180BB Chapter 4 Useful operation 4.4.3 Starting up Homing To enable [Homing], it is necessary to input latitude/longitude data such as GGA, RMC and GLL of NMEA0183. 1. When [Event] key is pressed, the position information input from outside is registered as waypoints, and the waypoint navigation starts taking the position information as waypoints.
  • Page 150 Chapter 4 Useful operation JFC-180BB 4.4.4 Selection of event key function To select function of [Event] key: 1. Press [SUBMENU] key 2. The SUBMENU is displayed. Move the cursor to [System] with [▲] or [▼] keys of 3. Press [ ] of 4.
  • Page 151 JFC-180BB Chapter 4 Useful operation 5. Press [ ] of 6. The SUBMENU [Event Key Usage] is displayed. Select a function to be set with [▲] or [▼] 7. When [MENU] key is pressed, the SUBMENU is closed and the selected function is set on the [Event] key.
  • Page 152 Chapter 4 Useful operation JFC-180BB 4.5 Shortcut to range registration menu When the registered range in use is to be changed, there is a shortcut function to change the registered range directly with one touch operation not by menu operation.
  • Page 153 JFC-180BB Chapter 4 Useful operation 4.6 To move the position of menu The MENU or SUBMENU is displayed half transparent at the upper left of the screen, overlaid on echo images. There is a function to move the menu position, to see the echo images blocked by the display of MENU or SUBMENU.
  • Page 154 Chapter 4 Useful operation JFC-180BB 4-14 7ZPNA4617A...
  • Page 155 JFC-180BB Chapter 5 Maintenance and Inspection Chapter 5 Maintenance and Inspection 5.1 Inspection The daily maintenance and inspection extend the life of equipment. To keep the equipment always in the best conditions, implement the periodical inspection shown in the table below.
  • Page 156 Chapter 5 Maintenance and Inspection JFC-180BB 5.2.2 Transducer In the case of the through-hull installation, check the surface of opening of transducer (portion from which the ultra-sonic is emitted). If shells or oil adhere, scrub the surface with a wooden or bamboo knife with caution not to damage the surface and remove stuck materials.
  • Page 157 JFC-180BB Chapter 5 Maintenance and Inspection 5.4 Troubleshooting Failure locations will be identified using following failure diagnostics table, and necessary actions shall be implemented. Phenomenon/Indication Possible cause Countermeasures Connect the power cable firmly to Power cable is disconnected. POWER connector. Wiring shall be secured.
  • Page 158 Chapter 5 Maintenance and Inspection JFC-180BB Turn the [GAIN Knob] clockwise to Gain is too weak. increase gain. Sealife may be growing on Carefully clean the transducer not to transducer surface. damage it. Not enough gain. Request transducer repair, when the insulation value in Service Manual Transducer is defective.
  • Page 159 JFC-180BB Chapter 5 Maintenance and Inspection See Service Manual "Chapter 2 Cable connection", double check connection. Position information from GPS “Position data is missing” After connection, setting [In out] → sensor or other navigation is displayed. [NMEA monitor] in MENU to [ON], equipment is not input.
  • Page 160 Chapter 5 Maintenance and Inspection JFC-180BB 7ZPNA4617A...
  • Page 161 JFC-180BB Chapter 6 Specifications Chapter 6 Specifications Item Content Model JFC-180BB Display unit － Processor unit NCM-1810J/E Operation unit NCH-1800J/E Output power (RMS) TDM-052A(38 to 75kHz and 130 to 210kHz) Transducer (Output frequency) TDM-062A(38 to 75kHz and 85 to 135kHz) Selectable frequency range 24 to 240kHz 0.1kHz step...
  • Page 162 Chapter 6 Specifications JFC-180BB 7ZPNA4617A...
  • Page 163 JFC-180BB Chapter 7 Outline Drawing Chapter 7 Outline Drawing Processor unit NCM-1810J/E Outline Drawing Unit: mm (inch) Mass:5.6kg 付録 7ZPNA4617A...
  • Page 164 Chapter 7 Outline Drawing JFC-180BB Operation unit NCH-1800J/E Outline Drawing Unit: mm (inch) Mass:0.7kg Transducer TDM-052A/062A Outline Drawing Unit: mm (inch) 7ZPNA4617A...
  • Page 165 JFC-180BB Chapter 8 Index Chapter 8 Index Color Tone ............ Control box........... A Scope ............2-54 Current Image ........... 2-57 Absorption attenuation ......Cycle period ......... 2-25 Adjustment of gain ........Alarm range bar ........1-18, 4-1 2-31 2-38 All Screens Same ....
  • Page 166 Chapter 8 Index JFC-180BB Long-press ........... 1-7 Gain ........2-46 2-50 Gain adjustment ....... 2-26 2-29 Manual ........2-53 Gain change type ........2-20 2-23 Manual Set ........Gain knob ............ 2-36 Manual shift ..........Gain knob icon .......... 1-18...
  • Page 167 JFC-180BB Chapter 8 Index 2-19 2-80 2-40 Pulse length ......Shift Type ..........4-12 Shortcut ............. Simultaneous transmission ......2-79 Random Transmission ....... Sounding Limit ..........Range ........Standard Echo Display ........ Range bearing ..........Standard echo display item ......
  • Page 168 Chapter 8 Index JFC-180BB White Line ............ Zoom image ..........Zoom image title......... 1-18 Zoom range bar.......... 1-18 2-12 Zoom .......... Zoom screen ..........Zoom Display ..........7ZPNA4617A...
  • Page 170 Not use the asbestos For further information,contact: URL Head office : http://www.jrc.co.jp/eng/ Marine Service Department 1-7-32 Tatsumi, Koto-ku, Tokyo 135-0053, Japan 　　　　　　　　　　　: tmsc@jrc.co.jp e - mail One - call 　　　　　　　　　　　: +81-50-3786-9201 ISO 9001, ISO 14001 Certified CODE No.7ZPNA4617A MAR. 2021 Edition 3...