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Reading the TCR 101 Screen 
 

Your TCR has a liquid crystal display, or LCD.  The liquid crystal material in the display 

aligns itself to either block light or let light pass through.  This blocking of light creates images on 
the screen.  Since the display depends on light to form its images, increasing the light source 
makes it easier to see.  This is why your TCR can be seen so well in bright, direct sunlight. 
 

You will also notice that the display can be seen better at certain angles.  The TCR 

mounting system has been designed for tilting and pivoting so that you can easily maintain a 
good angle for viewing.  Another characteristic of the display is that some polarized glasses can 
affect your view by causing a rainbow or prism to appear.  This can be improved by slightly tilting 
the unit. 
 

The TCR 101 features a unique high-resolution display-a full 32 x 100 pixels offer 

incredible detail of targets, structure and bait fish. 
 

 

 

Total Screen Update

 

 

Hummingbird’s exclusive Total Screen Update instantly updates the entire TCR screen to 

include new information each time a function is changed-no waiting for the changes to “march” 
onto the screen.  This feature is valuable in 2 ways. 

1.  Changing depth ranges.

  When the depth range changes to a deeper or shallower 

scale, the entire screen changes to display the new depth scale.  For example, if you’re in 
the 0-60’ scale and it changes to the 0-30 scale, the entire screen will look as if you had 
been in the 0-30’ range all along. 

2.  Using zoom and bottom-lock.

  Through Pixel Memory Capacity, the memory in the 

TCR 101 stores readings in much finer detail than is displayed in the “regular” mode.  So 
when you activate the zoom or bottom-lock functions, the entire screen changes to 
display the up-close detail that is stored in memory.  Then when you turn off the zoom or 
bottom-lock, the whole screen will change back to the full depth scale. 

Of course, the best way to learn to read your TCR 101 is to use it, especially in familiar locations.  
If you know what’s underwater and can see it displayed on the screen, then you’re on your way to 
being an experienced TCR user. 
 
 
 
 
 
 
 
 
 

Summary of Contents for TCR 101

Page 1: ......

Page 2: ...uding aluminum Please carefully consider the following before installing your transducer TRANSDUCER MOUNTING OPTIONS A Transom Mount The Humminbird high speed transducer allows the transducer element...

Page 3: ...bronz thru hull transducer has a threaded stem which installs through a hole drilled in the boat hull leaving the housing exposed under the boat This type of installation must be used for many boats...

Page 4: ...use a silicone sealant between the screwhead and bracket in order to prevent leaking See Figure C Step 2 BRACKET INSTALLATION Fiberglass Boats If your boat has a stepped transom located below and und...

Page 5: ...cally in the three slots found in the bracket It is important to use a silicone sealant between the screwhead and bracket in order to prevent leaking Step 3 TRANSDUCER PIVOT ASSEMBLY Assemble the pivo...

Page 6: ...the bracket Slide the O ring on to the headed pin and insert it through the two parts Assemble by screwing the x3 8 allen head screw into the end of the pin and tighten See Figure G Step 5 ANGLE ALLIG...

Page 7: ...h this type installation it is important that the transducer be mounted by someone familiar with the use of two part epoxy adhesives For this reason Techsonic Industries Inc will not be responsible fo...

Page 8: ...ye of the transducer The bubbles will disappear in a short time or can be removed by rubbing the transducer eye with your fingers while the transducer is in the water 4 If your instrument should fail...

Page 9: ...Install the mounting knobs and tighten snugly The unit can now be swiveled and tilted to any desired position...

Page 10: ...cket can also be mounted directly to the dash without the swivel mount however this method is not recommended since the unit cannot be rotated INSTALLING THE CABLES Your LCR comes equipped with Hummin...

Page 11: ...ole cover after determining the necessary wire length from the hole The power cable has a red lead to the positive post and the black lead to the negative post Install a 1 amp fuse between the red cab...

Page 12: ...ngbird s exclusive Total Screen Update instantly updates the entire TCR screen to include new information each time a function is changed no waiting for the changes to march onto the screen This featu...

Page 13: ......

Page 14: ...n the unit is turned off holding this button down for about 2 seconds activates the built in simulator Stop By pressing this button once you can stop or freeze the display Pressing the button once aga...

Page 15: ...tic setting from a range of 5 to 5 This level will maintain itself as long as you have the unit on automatically as a result of the TCR s Sensitivity Bias feature For example if you set the sensitivit...

Page 16: ...tomatically move up or down to stay on the bottom with the cursor showing you the protion of the total depth range that is being displayed This is an ideal feature for finding structure or locating fi...

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