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85

How to Obtain Service

If you feel your set is not operating properly, first refer to the sections of this manual on 

Troubleshooting

 and

Interference Problems

.  This information solves the most common problems.  If problems persist, please call

Interphase Technical Service

 at 

(831) 477-4944

,

 ext 16

 or send your unit in with the information below filled out.

If you do need to return your set, send it to the following address:

Service Department
Interphase Technologies, Inc.
2880 Research Park Drive, Suite 140
Soquel, CA  95073

In addition, to speed your repair please fill out the following, tear this page out of the manual (or photocopy it), and
tape it to your unit for our technicians to review.  For fastest warranty service, include a copy of your purchase receipt
to verify the purchase date.

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Evening Telephone:

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Model:

Twinscope

Serial #:                                                                                                                   

                                                                                                                  

Purchase Date

               

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Type of transducer:

Transom mount                      

                        Thru-Hull             

               

Other                       

                      

Please describe the problems you are having with the unit in as much detail as possible in the space below.  Please
use another sheet of paper if necessary.
                                                                                                                                                                                

                                                                                                                                                                              

                                                                                                                                                                                

                                                                                                                                                                              

                                                                                                                                                                                

                                                                                                                                                                              

                                                                                                                                                                                

                                                                                                                                                                              

                                                                                                                                                                                

                                                                                                                                                                              

                                                                                                                                                                                

                                                                                                                                                                              

Summary of Contents for Color Twinscope

Page 1: ...1 OPERATION MANUAL INTERPHASE INTERPHASE TWINSCOPE...

Page 2: ...n decisions were made We feel proud of the Twinscope Forward Scanning Sonar and your satisfaction is very important to us To this end we welcome any comments or suggestions that you might have in rega...

Page 3: ...Scout Mode Set Up View 47 Alignment Adjustment 48 Forward View Full Scan 49 Plot Track Plot View 52 Chart View 54 Data View 58 Chart Plot View 61 Chart Scan View 63 NMEA 0183 Interface 66 Interpretin...

Page 4: ...on zoom and bottom lock large digital display and speed and temperature readings with the speed temperature transducer You will appreciate the very useful features of fish and depth alarms manual or a...

Page 5: ...losed warranty registration card must be completed and returned to Interphase within 15 days of purchase so that your unit may be protected under the warranty Failure to return the warranty card may c...

Page 6: ...lements in the array are sending or receiving acoustic energy at the same time the entire array behaves like a single larger element with one important difference the ability of the array to concentra...

Page 7: ...These impulses are amplified then displayed as an image on the LCD screen The strength of the echo the depth of the object and the angle of the transducer s beam all affect how the image appears on th...

Page 8: ...tion Connect the two pin plug on the end of the power supply cable to the power supply jack located at the rear of the main display unit Connect the red wire to the positive terminal and the black wir...

Page 9: ...le see sketch at right The Twinscope can also use two seperate thru hull transducers one for the Vertical scanning Interphase part number T1 I200 026 and another for Horizontal scanning part number T1...

Page 10: ...els are not readable you can tell the difference by looking at the mounting brackets The Sea Scout has a 1 4 hole drilled as shown in the sketches below Also the Probe s part number on the label is T1...

Page 11: ...l void your warranty NO EXCEPTIONS Cable Connectors view from front of female plug Transducers 1 White 1st element 2 Brown 2nd element 3 Orange 3rd element 4 Yellow 4th element 5 Green 5th element 6 B...

Page 12: ...rward horizontally from side to side The Twinscope has an amazing amount of capabilities but it can not perform magic It can not see through objects such as your boat s hull Therefore it is important...

Page 13: ...usion which will cause the water to be turbulent when it reaches the transducer s or which will obstruct the transducer s forward looking view For displacement hull power and sail boats the thru hull...

Page 14: ...ion where water flow is smoothest For dual engine installation just off the center line is usually acceptable Because the transducers rotate back and upwards when the brackets kick up they must be mou...

Page 15: ...and aft direction is parallel to the surface then the forward looking display may be distorted where flat bottoms appear to be slanted upwards or downwards After mounting the transducer and actually u...

Page 16: ...Generally this provides the best compromise between obtaining aeration free water and minimizing propeller noise The Twinscope s transducer can not see through aerated water and water near the bow and...

Page 17: ...line as possible If necessary use a fairing block to properly position the transducer Use of a Thru hull Fairing Block Nearly all vessels have some dead rise angle at the transducer mounting location...

Page 18: ...st the housing slightly to squeeze out excess sealant Carefully confirm that the transducer is aligned so that the blunt rounded end the front is pointed directly toward the front of the boat 6 Instal...

Page 19: ...stic Fairing Block Add sealing compound between faring block hull Boat s Hull Bronze Nut OPTIONAL SPEED TEMPERATURE TRANSDUCERS INTERPHASE DESCRIPTION PART T1 0200 021 Transom mount S T transducer T1...

Page 20: ...upgrades which may include new important features The use of fixed permanently labeled buttons would severely limit any future upgrade ability User Interface The Twinscope is a very advanced product w...

Page 21: ...aving to completely re set the range gain contrast and all your other settings Because the Twinscope contains an internal lithium memory battery it remembers all system settings with the power removed...

Page 22: ...will respond with an audible beep when it turns on Pressing this key again turns the backlight on and off each time accompanied by a beep To turn the Twinscope off press this key and hold it down for...

Page 23: ...the approximate width of the cone at different distances from the boat Although 50 of the acoustic radiation is concentrated within this cone 50 is also outside the cone which permits the Twinscope t...

Page 24: ...om the Control Center Menu In the following sections these different displays are called Views They include Full Screen Forward View Full Screen Track Plot View Full Screen Chart Conventional View Ful...

Page 25: ...to side sweeping action of the scanning beam is ideal to locate forward targets up to 45 degrees on either side of the bow In the horizontal scanning mode the display will show the distance and bearin...

Page 26: ...scanning modes The display will also change to display either the full screen vertical Probe forward scan or the full screen horizontal Sea Scout forward scan view Once the desired scanning mode has b...

Page 27: ...27 PLOT View Track Plot DATA View Large Digits CHART PLOT View FWD View Forward Scan CHART View Conventional SET UP View Languages etc CHART SCAN View VERTICAL SCAN PROBE CONTROL CENTER FLOW CHART...

Page 28: ...features At any time you can press any key to gain control of the DEMO program to make your own selections and adjustments If you do not press any button for about 45 seconds the unit will automatical...

Page 29: ...problems especially thru hull installations where the transducer is not perfectly vertical to the water s surface This problem can be caused by improper installation or by changes in the boats fore af...

Page 30: ...m conditions change To manually adjust the range press either the range button labeled or or rotate the large knob If you make a manual depth adjustment the AUTO range mode is turned off and will rema...

Page 31: ...om conditions Note the horizontal line will disappear a few seconds after the alarm is adjusted but the vertical bar will remain The Shallow Alarm is often used to alert the user to shallowing bottom...

Page 32: ...e boat to the surface ahead The RESET button can be used to quickly select three popular scanning sectors If the RESET button is pressed once the Twinscope will return to the full 90 degree sector sca...

Page 33: ...O soft key to bring up the menu showing the features and adjustments for this view Range The RANGE soft key calls up the sub menu which lets you turn on and off an automatic plot ranging function by p...

Page 34: ...screen track plotter Both of these Views are updated automatically regardless of what display screen is in use Although these two track plot views are similar the user may select different ranges for...

Page 35: ...st the depth range as bottom conditions change To manually adjust the depth rotate the front panel knob or press either the range button labeled or If you make a manual depth adjustment the AUTO range...

Page 36: ...Shallow Deep and Zone Alarms As either the or keys are pressed and held down or the front panel knob is rotated a vertical bar on the left side of the screen just below the boat icon shows the area c...

Page 37: ...ecause the Twinscope uses an Interphase unique 4X over sampling technique the zoom actually shows more data than the non zoomed picture Fishermen have long used the bottom locking features when fishin...

Page 38: ...Bottom Lock off Moving the zoom bar all the way to the top of the display turns the Zoom off and returns you to full screen bottom history Fish Symbol Turn on off Pressing the soft key labeled FISH t...

Page 39: ...e the soft key labeled AUTO will be shown in reverse video white on black To return to the main forward looking menu press the soft key labeled LAST Log Res Distance log reset If your Twinscope is equ...

Page 40: ...covered by the depth alarm In addition a horizontal line will appear across the display Whenever a solidly displayed target appears at the same depth as that covered by the alarm bar the audible alarm...

Page 41: ...e steered throughout the possible 90 degree sector from directly beneath the boat to the surface ahead The RESET button can be used to quickly select three popular scanning sectors If the RESET button...

Page 42: ...key calls up the sub menu which lets you turn on and off an automatic plot ranging function by pressing the soft key labeled TRACK This feature will for example automatically increase the track plot r...

Page 43: ...ck Plot Note The Twinscope has both a full screen and a split screen track plotter Both of these Views are updated automatically regardless of what display screen is in use Although these two track pl...

Page 44: ...mode is turned off and will remain off until the button labeled AUTO is again selected Note when in the AUTO mode the soft key labeled AUTO will be shown in reverse video white on black To return to t...

Page 45: ...ton can be used to quickly select three popular scanning sectors If the RESET button is pressed once the Twinscope will return to the full 90 degree sector scan from straight ahead to below the boat p...

Page 46: ...46 PLOT View Track Plot DATA View Large Digits CHART PLOT View FWD View Forward Scan CHART View Conventional SET UP View Languages etc CHART SCAN View HORIZONTAL SCAN SEA SCOUT CONTROL CENTER FLOW...

Page 47: ...key to gain control of the DEMO program to make your own selections and adjustments If you do not press any button for about 45 seconds the unit will automatically resume cycling through the different...

Page 48: ...The Twinscope includes a feature that will allow you to compensate for some transducer installation problems where the transducer is not pointing straight forward but instead points off to the right...

Page 49: ...tures for this forward looking view Your display menus should appear as on the left Range Adjustment Press the button labeled RANGE to bring up the Forward Range Adjustment soft key menu as shown at l...

Page 50: ...arm menu choices As either the up or down keys are pressed and held down or the large knob is rotated counterclockwise a horizontal bar will move from the bottom of the display towards the top A verti...

Page 51: ...zontal sector scan pressing RESET again will put the Twinscope into one of two preprogrammed forward sector scans The RESET button cycles through the possible scan sectors as shown at left Beam Speed...

Page 52: ...and press the GO soft key to bring up the menu showing the features and adjustments for this view Range The RANGE soft key calls up the sub menu which lets you turn on and off an automatic plot rangi...

Page 53: ...use Although these two track plot views are similar the user may select different ranges for each of these views For example the full screen track plotter can be set up for a 64 mile range while the s...

Page 54: ...he depth range as bottom conditions change To manually adjust the depth rotate the front panel knob or press either the range button labeled or If you make a manual depth adjustment the AUTO range mod...

Page 55: ...and held down or the front panel knob is rotated a vertical bar on the left side of the screen just below the boat icon shows the area covered by the depth alarm Whenever a solidly displayed target ap...

Page 56: ...dless of changes in bottom depth the left side tracks it and keeps the zoomed bottom picture in view In the Bottom Lock mode the bottom is forced to appear as a straight horizontal line across the bot...

Page 57: ...turns the fish symbol on or off When turned on the FISH soft key will be shown in reverse video and the Twinscope s microprocessor will scan the output of the receiver and looks for specific patterns...

Page 58: ...f and will remain off until the button labeled AUTO is again selected Note when in the AUTO mode the soft key labeled AUTO will be shown in reverse video white on black To return to the main forward l...

Page 59: ...a forward alarm may be set for targets which are closer than a present distance To adjust or clear the alarm settings press the soft key labeled ALARM to bring up the forward looking alarm menu choic...

Page 60: ...he possible 90 degree horizontal sector The RESET button can be used to quickly select three popular scanning sectors If the RESET button is pressed once the Twinscope will return to the full 90 degre...

Page 61: ...ANGE soft key calls up the sub menu which lets you turn on and off an automatic plot ranging function by pressing the soft key labeled TRACK This feature will for example automatically increase the tr...

Page 62: ...ted automatically regardless of what display screen is in use Although these two track plot views are similar the user may select different ranges for each of these views For example the full screen t...

Page 63: ...O is again selected Note when in the AUTO mode the soft key labeled AUTO will be shown in reverse video white on black To return to the main forward looking menu press the soft key labeled LAST Sensit...

Page 64: ...om the bottom of the display towards the top A vertical bar will also move along the range scale The horizontal and vertical bar indicate the alarm range Any strong target between the boat at the bott...

Page 65: ...the possible 90 degree horizontal sector The RESET button can be used to quickly select three popular scanning sectors If the RESET button is pressed once the Twinscope will return to the full 90 degr...

Page 66: ...er information on interfacing The Twinscope needs to be interfaced via the eight pin jack on the rear panel of the display unit The pin connections are shown at right Interphase also offers a NMEA 8 P...

Page 67: ...winscope sequentially steps the acoustic beam from the bottom to the area ahead of the vessel the LCD display shows a continuously updated display of the return echoes in their approximate position in...

Page 68: ...adings and too much sensitivity will cause an increase in screen noise and a possible display of unwanted transducer sidelobe readings Transducer Sidelobe Effect The Twinscope s transducer like all ac...

Page 69: ...creases This feature tends to compensate for the weakening of the signal at large distances as the receiver s gain will be increased as the signal gets smaller It is also helpful in minimizing sidelob...

Page 70: ...designed to help reduce the effects of surface noise clutter when the water is choppy and to allow easier mounting of the transducer to the transom of smaller boats As the acoustic sound beam is proje...

Page 71: ...h as this it is advisable to adjust the gain manually Otherwise the Auto gain feature will reduce the gain because of the strong close in bottom reflections On the following page two bottom situations...

Page 72: ...Sides of Underwater Trench Bottom Under Boat Bottom Getting Deeper to port left of boat Examples of two bottom situations followed by the resulting view on the Twinscope split screen Chart Scan Displ...

Page 73: ...nd causes a small vibration in the transducer The small vibrations in the transducer caused by the returning acoustic echo cause the transducer to send a small electrical signal back up the cable to t...

Page 74: ...that can achieve both outstanding coverage and good resolution Interphase pioneered the use of Ultrasonic Phased Array Technology In 1991 we received the prestigious IMTEC Innovation Award in recognit...

Page 75: ...ch too costly and bulky to be of any practical use in the marine market Since the acoustic beam in the phased array is steered electronically requiring no moving parts it can be quickly and reliably s...

Page 76: ...beam This means that the diameter of the beam at 100 is about 15 wide The transducer operates at approximately 200 kHz The beam has many unique characteristics which allow increased resolution as wel...

Page 77: ...ee a regular depth sounder view of the bottom and scan forward or zoom into the bottom at the same time All Interphase products provide both full screen views as well as split screens for bottom chart...

Page 78: ...carefully remove any marine growth Use a mild detergent 220 grit sandpaper or crocus cloth to remove stubborn growth 3 If the in line fuse is blown replace it with a 2 amp fuse NEVER REPLACE WITH A HI...

Page 79: ...ansducer may refer to a plastic bracket The stainless steel brackets include a spray shield to reduce possible rooster tails The spray shield rests between the transducer tabs in a U fashion with the...

Page 80: ...d have continuity with pin 1 on the female side of the power supply lead Loses picture at speed Adjust the transducer angle or placement Make sure that the transducer is installed in the area which ha...

Page 81: ...tall an alternator filter to smooth the alternator s output signal Interference may also be caused by radiation from other nearby equipment and can be detected by turning off all other equipment and o...

Page 82: ...s peak to peak Surface Water Temperature With optional speed temperature upgrade kit installed display continuously indicates surface water temperature in tenths of a degree F from 32 0 to 99 9 F Powe...

Page 83: ...83 Notes...

Page 84: ...84...

Page 85: ...nc 2880 Research Park Drive Suite 140 Soquel CA 95073 In addition to speed your repair please fill out the following tear this page out of the manual or photocopy it and tape it to your unit for our t...

Page 86: ...86...

Page 87: ...due to improper installation misuse or accident nor does it apply to products which have been repaired or altered outside the Interphase factory Any costs incurred with transducer replacement are spe...

Page 88: ...88...

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