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14 

 

4.3.4. Gain Control 

 
 

 
 

 
 
 

 

(1) How to control Gain Control 

 Turn 

  to the left to decrease the Gain and to the right to increase the Gain. 

(2) To adjust the optimum gain 

 The echo image size by target is the biggest and any targets nearby do not contact the echo image. 

감도가 낮아 영상이 작다.

감도가 최적이다.

감도가 높아 2개의

영상이 붙었다.

 

4.3.5. Rain/Snow Removal 

 
 

 
 

 
 
 

 
(1)

 

If  much  rain/snow,  it  is  difficult  to  analyze  the  wishful  target  image  as  the  echo  by  rain/snow  clutter 

appears on the PPI display. 
(2) Turn 

(rain/snow) to the right to remove the echo image by snow and rain. 

                   

 

                      

Reflected Wave of Rain/Snow

                                     

Removed Rain/Snow   

                                                                                                                      (Target Retricted, too) 

ATTENTION

 

 It should be always observed by adjusting the optimum conditions. 

 If the gain is too low, the targets may not be displayed. 

 If too high, it may be an obstacle in observation due to the noise increase on the 

PPI display.

 

ATTENTION

 

  Too  much  adjustment  of  rain/snow  removal  will  restrain  the  target  of  ships  or 

hazards  as  well  as  any  images  by  rain/snow.  This  can  be  the  cause  of  image 
analysis. 

 In case of use of rain/snow removal, the optimum conditions should always set up.

 

Small Imge by Low Gain 

Optimum Gain 

2- images contact   

by high gain 

Содержание SMR-3700

Страница 1: ...How to operate the unit 13 4 1 General Idea 13 4 1 1 Power Input and Operation 13 4 1 2 Tuning Control 13 4 1 3 Image Control 13 4 1 4 Power Off 13 4 2 Stand by for Processing 13 4 2 1 Brightness Cha...

Страница 2: ...ter 6 Installation 25 6 1 Overview 25 6 2 Installation of Antenna 25 6 2 1 Selection of the installation place 25 6 2 2 How to install Antenna 25 6 2 3 Connection to Equipment cable 26 6 3 DISPLAY SET...

Страница 3: ...play Unit SMR 3700 monitor is designed to receive the input signal from Scanner and displays the optimum conditions on the TFT LCD screen based on the SAMYUNG s best digital signaling technology 1 10...

Страница 4: ...ed 51 5m sec 100 knots 11 Power Consumption 60W 12 DC Power DC 10V 36V 13 Preheating Time 90 Secs 14 Preaction Within 3 Secs 1 5 2 Scanner RSU 3700 1 Dimentions a Diameter 590mm b Height 290mm 2 Weigh...

Страница 5: ...ont Panel a Tune Knob b Gain Knob c Rain Snow Removal Knob d Sea Cluter Removal Knob e Guard Switch f Distance Circle Switch g Interference Rejection Switch h Heading Line Switch i Parallel Line Switc...

Страница 6: ...ing it needs to be measured only straightline from obstacle which should be 1 2 time This radar is calculated automatically 2 4 Measurement of a Course One way to measure the distance to an object is...

Страница 7: ...the set value or select the menu item To dark LCD display brightness Stand By and TX conversion To call Menu display Directional button To light LCD display brightness To turn ON OFF To remove any in...

Страница 8: ...d Setup 5 Parallel Line 6 Heading Line 7 1 EBL 8 Cursor Position Bearing Distance Arrival Time 9 Display Color 10 Indication of the set EBL VRM bearing distance 11 1 EBL VRM 12 2 EBL VRM 13 F EBL VRM...

Страница 9: ...ctions to enable user to control with menu 3 3 1 Menu Composition It is available to converse the display language to Korean English Russian Chiness For the conversion of the display language please r...

Страница 10: ...ial Setup Menu for installer At INIT SET of MENU press button the following display will appear For any additional item please refer to 6 6 Initial Setup by Installer Initial Setup by Installer Additi...

Страница 11: ...cording to the time intervals Short 5 Circles Long 10 Circles WAYPONT To display the position of the target on the screen HEADING MODE To select the display of the own ship heading RADAR SET UP TIMED...

Страница 12: ...top color of the screen INSIDE COLOR To set up the internal desktop color of the screen COLOR SET To set up PPI image color Initial Setup by Installer DISPLAY TIMING To adjust the PPI image distance T...

Страница 13: ...st the image biggest b Adjust the movement of the tuning bar biggest c In case of the automatic tuning mode it is needless to turn the volume d If any image doesn t appear adjust the volume again or t...

Страница 14: ...emove the echo image by snow and rain Reflected Wave of Rain Snow Removed Rain Snow Target Retricted too ATTENTION It should be always observed by adjusting the optimum conditions If the gain is too l...

Страница 15: ...tion a How to set up Alert Zone based on the position of own ship as selecting Ring function The message of Press ENT to set is shown onto a screen with a red ring mark Adjust the Alert Zone controlli...

Страница 16: ...ed in 3 steps 4 3 9 To remove the Radar Interference ATTENTION When using the function of Intereference Removal weak image such as a dangerous thing may happen to be removed Stop the function of inter...

Страница 17: ...Able to adjust EBL Able to adjust VRM Function is end 2 Press button The method of adjustment is same as 1 EBL VRM 3 How to measure bearing distance from a target to target by using F EBL VRM function...

Страница 18: ...ess Back to PPI screen 1 HEAD UP a Ship s head is displayed to the HEAD UP Its bearing scale is 0 on PPI screen b If ship s head is changed ECHO image bearing on screen is also changed c If you could...

Страница 19: ...Bearing a True bearing indication is set based on True North with Scale 0 b It requires the equipment like GYRO COMPASS to obtain bearing reference 2 Magnetic Bearing a Magnetic Bearing indication is...

Страница 20: ...4 3 20 To display the Waypoint To use this function it needs the input of bearing data distance data to go waypoint and own ship s speed data on the indicator Menu screen Move to FUNC DISPLAY SET Mov...

Страница 21: ...SET UP Move to TIMED TX press On According to TX PERIOD STAND BY TIME values the intermittent transmit is started Off End Back to PPI screen 4 3 23 To display ECHO image long on PPI screen CAUTION Whe...

Страница 22: ...reen 4 4 Other convenient function 4 4 1 Display own ship s speed on the indicator a To use this function own ship s speed data is needed to the indicator b The own ship s speed data is shown at a cen...

Страница 23: ...these are of theoretical value and would not be constant due to environmental condition In theory the target 10 miles away from the antenna requires 7 6 meters height if it is lower than 7 6 meter EC...

Страница 24: ...the direction in order to observe the targets with care 2 Side echo There may be an image of arc wave line in the same distance from target image on the screen This is caused by the side lobe of whic...

Страница 25: ...t is apt to be sliding in slant toward the counter windy side while the yaucht is navigating when the wind is blowing to the extent In case the slanted angle being over 1 2 of beam width the electric...

Страница 26: ...nal Connected Display TX RX Motor ANT Bearing sensor 1 2 3 4 ATTENTION Fix the cable with tie Don t bend the connector too much when input the cable into the Radome for preventing from the damage Hexa...

Страница 27: ...nts are the cable connection tight connection of each units aireal cable the connection of cable shield 6 5 Operation check 1 Before the operation check it needs to check if the internal voltage is in...

Страница 28: ...PPI screen comes up and displayed number in the middle of top screen The distance range is auto changed to 6NM Adjust it to make a target of PPI screen maximum size Ref Adjust Range 000 255 1 Step Ad...

Страница 29: ...is adjusted to 7 8 steps Ref Adjust Range 000 255 1 Step Adjust 10 Step Adjust Rotate the controller from a center to the left right and make the bar of the Tune indicator to max in a middle of point...

Страница 30: ...is set as a display of heading nearby 0 5 1 5NM and adjust to locate the target on a heading line of the PPI screen Ref Adjust Range 90 0 90 0 0 1 Step Adjust 1 0 Step Adjust In case of increasing the...

Страница 31: ...ditional menu out of default settion menu Move to DISPLAY TIMING Select PPI screen comes up and displayed number in the middle of top screen Adjust the target of waypoint to reach at the real distance...

Страница 32: ...er another It is displayed additional menu out of default settion menu Move to GAIN L SET Select PPI screen comes up and displayed number in the middle of top screen Ref Adjust Range 000 255 1 Step Ad...

Страница 33: ...es up and displayed number in the middle of top screen Adjust to disapper noise to 6NM Adjust to have little noise in a ring of 6NM Ref Adjust Range 000 255 1 Step Adjust 10 Step Adjust If the values...

Страница 34: ...itional menu out of default settion menu Move to MBS SET Select PPI screen comes up and displayed number in the middle of top screen Suppress the signal of Main Bang to the desirable distance Ref Adju...

Страница 35: ...ower on monitor because it is still excited even Radar stopped 7 2 Scanner When maintained a wireline cut off the power of monitor and then protect the power supplied into the wireline Don t place wat...

Страница 36: ...acket 1 CODE NO ACC RADAR 001 3 Knob 6 20 2 CODE NO ACC 6X18MM 002 4 Scanner RSU 3700 1 CODE NO RSU 3700 5 Scanner Cable SAMYUNG 11 X 16C 1 Cap SRCN2A25 16P L 15m CODE NO RSU 3700 15M 6 Power Cable CV...

Страница 37: ...001 9 10 11 12clause packings 9 6Angle Bolt 10 X 25 4 CODE NO ACC SC 001 10 Spring Washer 10 4 CODE NO ACC WA 001 11 Plain Washer 10 4 CODE NO ACC WA 002 12 Bottom Pad 50 4 CODE NO ACC PAD 001 13 Fus...

Страница 38: ...38 Chapter 9 Installation drawing and circuit diagram...

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