Instructions For Using The Wayne Liquid Crystal Windos Display

A portable liquid crystal display for projecting and viewing different areas of a 5"x 8" transparency. The transparency can be viewed directly or it can be projected on a screen for use in testing and training procedures.

The display is actually a shutter for exposing selected portions (windows) of a transparency.

The display is connected to a computer which is programmed to open from 1 to 16 windows (slots) for viewing the material. The display operates (either manually or automatically) like a shutter or shade to open up different areas (windows) of the transparency. These windows can be opened in steps or at random from 1/100 second to 10 seconds. Size of the windows can vary from 1/16 op the area to the entire area.

A built-in timer records the elapsed time of each pattern sequence. This is displayed on a computer screen.

For direct viewing (near point) or distance (projection)

For developmental visual therapy

Test & train:

• Tachistoscope for visual memory
• Reading pacer
• Sacccadic fixation
• King Devick test
• Rotary pursuits tracking
• Anti-suppression
• Accommodative rock training
• Peripheral awarneness
• Dynamic convergence
• Base in-base out
• Pattern recognition
• Suppression breakdown (TBI)
• Luster test
• Closure test and train
• Reaction timing
• Anticipation
• Pattern recognition

1. Train both near & far in real space.
2. No need to purchase special computer programs. Make your own training material using marking pens, typewriter, etc. Copiers and computer print-outs make excellent overhead transparencies.
3. Use anaglyph color filters.
4. Windows can be opened at either mamual or automatic speeds for motion and dynamic training from 1/100 second to infinity. View rotations from 500 revolutions/minute to 1/4 revolutions/minute.
5. Response and/or elapsed time is displayed for each activity.
6. Excellent for use in research as well as for testing & training

1. Tachistoscope: Project and view in different locations--numbers, words, patterns etc. at speeds from 1/100 sec. to 10 seconds. Use manual or automatic control.
2. Fusion: Use anaglyph glasses. Project or view from 1 to 16 patterns in sequence or at random. The display will store and show the time of fusion (either individual or total time).
3. Peripheral awarness: Use numbers, words, patterns, and central fixation, flash peripheral images.
4. Test & improve reading speeds: Use a line at a time or use 1 columns (left, right, down). Total time is displayed.
5. Pace reading skills: Display a partial line of copy at a time. Space width from 1/8 line, 1/4 line, 1/2 line and the complete line.
6. Time: Near to far accommodation, tracking skills, King Devick standard, Hart chart tracking, binocular fusion, etc.

For convenience and portability a special computer is included as part of the system. The computer was originally designed by Zenith Electronics for use by the US Internal Revenue Service. Although the computers have been used, they are in excellent condition and are fully guaranteed for six months.

A special padded case is provided for carrying the display and the computer.

1. Plug the cable from the LC shutter display into the "printer" connector on the back of the computer.
2. Plug the remote hand switch into the front connector of the lc shutter display panel.
3. Connect the plug on the computer power adapter into the receptical on the left side of the computer.
4. Open the door of the front floppy drive (near front); press center of the door with a snapping action.
5. Insert the 5 1/4" floppy disc into the drive slot located near the front of the computer (this is the "a" floppy disc drive; the 2nd drive slot is "b").
6. Switch the computer "on" (left side).

The computer will boot-up and a world map including the date and time will appear on the screen. Adjust the contrast for best image (left side).

Below the screen and above the key board are special "F" keys. Depress the key with a floppy disk picture (icon). Allow 20 seconds for the program to appear.

When the program is displayed, you may select either "patterns to flash" menu or "sequences to show" menu.

 The Wayne Liquid Crystal Shutter
 Copyright 1995-1996 Wayne Engineering.  All Rights Reserved

 P Select pattern to flash
 S Select sequence to show
 R Run/Step program
 0,1-9 Load pre-stored program
 T Set on time
 O Set off time
 Q Exit to DOS

 No program selected

Select "patterns to flash" by depressing the "P" key. "Pattern to flash" menu is now displayed on the computer screen. Choose from the list of 51 patterns. To see the complete list, press the down arrow; or press and hold the right "shift" key and press the down arrow key to page down.

 On time: 100/100 Sec     Off time: None
 Patterns

 1  Top left quadrant
 2  Top right quadrant
 3  Bottom right quadrant
 4  Bottom left quadrant
 5  Random quadrant
 6  Top half
 7  Bottom half
 8  Left half
 9  Right half
 10 Whole window
 11 Full strip 1 (top)
 12 Full strip 2
 13 Full strip 3
 14 Full strip 4
 15 Full scrip 5
 16 Full strip 6
 17 Full strip 7
 18 Full strip 8 (bottom)
 19 Random full strip
 20 Left strip l (top)
 21 Left strip 2
 22 Left strip 3
 23 Left strip 4
 24 Left strip 5
 25 Left strip 6
 26 Left strip 7
 27 Left strip 8 (bottom)
 28 Random left strip
 29 Right strip 1 (top)
 30 Right strip 2
 31 Right strip 3
 32 Right strip 4
 33 Right strip 5
 34 Right strip 6
 35 Right strip 7
 36 Right strip 8 (bottom)
 37 Random right strip
 38 Random left or right strip
 39 Full double strip 1 (top)
 40 Full double strip 2
 41 Full double strip 3
 42 Full double strip 4 (bottom)
 43 Left double strip 1 (top)
 44 Left double strip 2
 45 Left double strip 3
 46 Left double strip 4 (bottom)
 47 Right double strip 1 (top)
 48 Right double strip 2
 49 Right double strip 3
 50 Right double strip 4 (bottom)
 51 Left half, random right strip

The "P" key selects the windo pattern which will open.

Type the "P" key followed by the number of the pattern. Press "Return". The "pattern to show" will appear again, note, a small box appears on the left side of the screen.

     Repeat pattern?
   No
   Yes

Typing "Y" (or moving the curser to "Yes") will cause the pattern to repeat; ie, if the selected pattern was set to open a full screen for 1/25 of a second, then the full screen will open and close repeatedly, flashing "on and off" at 1/25 second each time. If "no repeat" pattern is selected, (typing an "N") then the full screen will flash open for 1/25 sec., only once.

Note: the "off" time must be set for the repeated "on/off."

Important: the "Return" (RT) key must always be pressed after the "repeat pattern" is displayed.

Depress letter "T" key to display "on" time menu (time window is open)

 SECONDS

 A   4
 B   2
 C   1
 D   1/10
 E   1/25
 F   1/50
 G   1/100
 H   OTHER
 I   WAIT FOR SWITCH

"OTHER" (option H) permits selection of any time period from 1/100 seconds to 10 sec. Enter the time in units of 1/100 second, i.e. if time of 1/2 second is required, depress the "H" key and type 50. This represents 50/100 seconds.

"WAIT FOR SWITCH" (option I) is for manual operation. The windows will open in the selected sequence each time either the "R" key or the hand switch is depressed.

Select the time "on" period by depressing the appropriate key shown in the menu. Now type "Return" (RT) key. If no "on" time is selected, the window will open and close for what ever time was selected on a previous setting. The screen will always display this setting. Remember to type the "Return" key after selecting the time menu.

Type the "R" key or the press the hand switch to open (flash) the selected window for the selected time.

Note: if a "Y" ("yes") is entered for the "repeat pattern" an "off" time must also be entered.

Setting the "off" time

Depress letter "O" to display

 "OFF" TIME MENU    (TIME WINDOW IS CLOSED)
 SECONDS

 A   4
 B   2
 C   1
 D   1/10
 E   1/25
 F   1/50
 G   1/100
 H   OTHER
 I   WAIT FOR SWITCH
 J   NONE

Pressing "O" will display the "off" time menu. Select a time and press the "Return" (RT) key.

Pressing the "R" key or the hand switch will start (run) or stop the program.

Press the "Q" key if you want to exit the program and go to a DOS prompt.

Type the "S" key for the sequence menu.

The sequence patterns are windos that open and close automatically following a defined sequence pattern.

      SEQUENCES TO SHOW
 1  Circle quadrants (4)
 2  Alternate top and bottom halves (2)
 3  Circle strips clockwise (16)
 4  Circle strips counterclockwise (16)
 5  Alternate left and right halves (2)
 6  Left to right going down (16)
 7  Left to right double strip going down (8)
 8  Shade left then right (16)
 9  Shade left then right double strip (8)
 10 Shade full 1 strip high (8)
 11 Shade full 2 strips high (4)
 12 Shade full 4 strips high (2)
 13 Shade left 1 strip high (8)
 14 Shade left 2 strips high (4)
 15 Shade left 4 strips high (2)
 16 Shade right 1 strip high (8)
 17 Shade right 2 strips high (4)
 18 Shade right 4 strips high (2)
 19 Random quadrants (4)
 20 Random full strips (8)
 21 Random left strips (8)
 22 Random right scrips (8)
 23 Random left or right strips (16)
 24 Left half with random right strips (8)

After typing the "s" key type the number to select the sequence, amd press the "return" (rt) key. A small box will appear on the left side of the listings:

    Repeat sequence?
  No
  Yes

For a repeat sequence, press the "Return" (RT) key. For a single sequence, select "no" (no repeat sequence): type "N" and press the "Return" (RT) key.

The sequence menu ("S") lists the available dynamic action of the windows: i.e.,

"S" 1. circle quadrants
The screen is divided into four quad windows. Each window will open and close for one second and rotate clockwise. After the four quad windows are opened and closed, the sequence will stop. For a repeating sequence select the "yes" option when the "repeat sequence" is displayed.

"S" 10. Shade full 1 strip high (8)
Starting at the top of the display a window strip opens and closes moving down like a window shade to the bottom of the display. There will be a total of (8) window strip positions. For a repeating sequence select the "yes" option.

The "shade" program will open a window strip (row) and will then sequence down stopping after the last strip (row). The quadrant pattern will open 1/4 of the windo, and the 1/2 strip program will open 1/2 row. The number following the "shade" indicates the steps in the sequence.

If no "on" or "off" time has been selected the time will be the last pre-set time. The "on time" can be changed by depressing the "T" key and selecting the time from the menu. followed by "Return" (RT) key. If you wish, you may pre-set the "off" time. "off" time is the period the window is closed following each step in the sequence. To set "off" time, type the "O" key and select time from the menu. Type "return" key.

The "off" time default is "none." Each step will immediately follow the next step in the "repeat pattern".

Step by step programming example

You want to open the top window strip of the display for a time period of 1/10 sec. followed by a one second off pause, and then moving the window downward to the next window for 1/10 sec. followed by a one second pause. Continue downward movement until all eight window strips have opened and closed.

1. Select "sequence to show" by depressing "S" key.
2. Select "shade full one strip" and type the "10" key.
3. Enter "Return" (RT) key.
4. The "repeat pattern" box will appear. The cursor will be on the "yes". If you wanted the sequence to non- repeat, type a "N" and press "Return" (RT). If a repeat is desired just press "Return" (RT).
5. Select "time on" by depressing the "T" key.
6. Select 1/10 second by depressing the "D" key.
7. Type "Return" key.
8. Select the "time off" by depressing the "T" key.
9. Select one second by depressing the "C" key.
10. Type "Return" key
11. To start, type the "R" key or use the hand switch.

 SIMPLIFIED CODE: S10(RT) Y(RT) TD(RT) OC(RT)

If you want the strip to remain open until the switch is depressed, change step #6 to the "wait for switch." ("I").

If you want the window strip to flash open for 1/10 second, but not move to the next window strip until the switch is depressed, change step #9 for manual control of the "off" time. Select the "wait for switch" "I".

If no "off time" is selected the default setting is "none". ("J")

Remember, when the "repeat sequence" box appears, press (RT) for auto repeat of sequence. Press "N" for a non repeat sequence, and then press (RT).

As an alternative condensed method for selecting operating modes without using the computer display, type in this code:

 SX (RT) Y (RT) TX (RT) OX (RT) (do not type space bar) ("X" represents selections from the menus)

The above code will replicate the following:

1. Type the "S" key and, from menu, select the number "x" of the sequence, and type "Return"(RT).
2. Type "N" if a non-repeating pattern or sequence is desired. If not leave blank (but still type "Return").
3. Type "T" key and, select the letter "x" for "on" time from menu and "Enter."
4. Type "O" key and select the letter "x" for the "off" time from menu and "Enter."

To select an "on" time not listed in the time menu, choose the "H" (other). Enter time by selecting and typing a number from 1 to 999. The units are in 1/100 sec. i.e., type "3" for 3/100 seconds. Type 900 for 900/100 sec. or 9 seconds. Remember to press the "Return"(RT) key after entering the time selection.

For manual operation of pattern or sequence mode, select the "I" (wait for switch) in the time menu. Depressing the "r" key or the hand switch will open the window, depressing the switch will close the window.

In the sequence mode, depressing the switch again will open the next window in the sequence. The built-in timer will record the time each window is opened, and at the end of the sequence the total elapsed time. In the pattern mode, the timer will record the time the window is open.

In the "wait for switch mode" (manual mode) the elapsed time a window is opened and closed is recorded and displayed on the computer screen.

In the "pattern mode" when the "run" switch is activated the window will open. When the "run" switch is depressed, the window will close. The open window time will be displayed.

In the "sequence" mode when the "run" switch is depressed, the first window in the sequence will open. Each time the "run" button is depressed, the next window in the sequence will open. The computer screen will display the open window time and then the accumulated total elapsed time. This pattern will continue until the end of the sequence. At the end of the sequence, the total time will be displayed.

Note: when set to non-repeat sequence, the computer displays the elapsed time.

1. To time speed reading.
2. To record the time needed to identify a given pattern.
3. To record time for fusing a series of disparity patterns.
4. To time the scanning speed in a King Devick test.
5. To record "closure" time.
6. To time visual memory recall.
7. To time and record accomodative rock response time.
8. To record saccadic fixation time.
9. To time anti-suppression activities.
10. To record corespondence accommodation using after-image flash.
11. Etc. "use your creative application skills"

The top line window will open. Read exposed line(s) and depress hand switch. Next line(s) appears. After eight windows open, the elapsed time will be displayed.

Upon completing the first page of material, the average time/window can be determined by dividing the total elapsed time by number 8. This resulting number will be used to set the automatic speed. If the total final time is 32 seconds, then the average time/line will be 4 seconds.

 PROGRAM CODE: S10(RT)N(RT)TI(RT)OJ(RT)(DO NOT TYPE SPACEBAR)

Explanation of above code:

Same as selecting: sequencing mode #10 (shading one strip) and time "open" (wait for switch).

If you wish to decrease the time to 3.5 seconds/line, enter

 PROGRAM CODE S10 (RT) N (RT) TH 350 (RT)

Each window will now open for exactly 3.5 seconds or a total elapsed time of 28 seconds.

Explanation of above code:

• S10: Refers to a sequence window strip.
• (RT): Refers to the "return" key.
• N: Refers to the "no repeat sequence" selection.
• TH: Refers to "other time" units of 1/100 sec.
• 350: Refers to 350/100 seconds or 3.5 sec.
• "OJ": No "off time" selection.

Self pacing reading control with saccadic rhythm

Each time "hand switch" is depressed, one-half of the window strip will open in sequence from left to right continuing to the bottom. After 16 windows have opened, the total elapsed time will be displayed.

 PROGRAM CODE: S6 (RT)N(RT) TI (RT) OJ(RT)

Explanation of above code:

• S6: Refers to left half of the first window which will open when the hand switch is depressed.
• (RT): Refers to "return" key.
• TI: Refers to "wait for switch".

Automatic reading control with saccadic rhythm

 PROGRAM CODE: S7(RT) N(RT) TA(RT) OH(RT)50 (RT)

Explanation of above code:

• S7: Refers to left half double width window which will automatically open for 5 seconds, close for 1/2 second and jump to the right side of double line. After one second the window will move to the left, and continue until the bottom of the display is reached.
• (RT): Refers to "return".
• N: Refers to "no repeat", for "repeat pattern" type "Y" (yes)
• TA: Refers to the window which will open and close for a period of 1 second and will automatically move to the next window.
• OH: Refers to the "off time" menu selection of "other" time settings.
• 50: Refers to 50/100 of a second "off time".

To increase the reading speed just reduce the time period the window is open. I.E. TC or TB, etc.

To eliminate the "off time", change "OH" to "OJ" (no "off" time). The default setting is "OJ" depending upon pre-set program or values.

Illustration:

If the total elapsed time in the self pacing mode was 8 seconds (or an average of 1/2 second per one half line), set the code as follows:

 S6(RT) N (RT) TH(RT) 50(RT) OJ(RT)

To increase the time period, enter code:

 TH (RT) X (RT)

Where X can be either 60 or 80, etc (60/100 or 80/100 seconds).

To decrease the time period, enter same code. however X can then be any other number, H (RT), 45, 30, (45/100 or 30/100 seconds).

Additional suggestions:

• 4 to 8 segments of a line can be viewed by rotating the display from the horizontal to the vertical position.
• Use a card to form the horizontal guide lines.
• For 1/4 segment of a line, self pacing, enter the code:
  S11(RT) (RT) TI(RT) OJ(RT)
• For automatic pacing of 1 second/ segment, enter the following code:
  S10(RT) N(RT) TC(RT) OJ(RT)
• Code for other timing periods:
  TH(RT) X (RT) OJ(RT)
  X represents the time in 1/100 seconds.

1. Select the window opening to be flashed open.
2. If only one window is to be opened and not sequenced to another window, press the "P" key.
3. Press the "Return" key (RT).
4. Type "N" key for a single non repeat single flash. press "Return" (RT).
5. For a repeating continuous flash, press the "Y" key and "Return" (RT).
6. Select the flash open time ("on" time) & close ("off" time).
7. Press the "Return" key after each selection.
8. Press the "R" key or the "hand switch" to flash open the window.

Illustration:

To open and close the full window for 1/50 second when the "hand switch" is pressed.

 PROGRAM CODE: P10 (RT) N (RT) TF(RT) OF(RT)

"TF" represents the time from the "time" menu for selection of 1/50 second.

Tachistoscopic action of each window in "sequence" mode

Select the sequence of windows; select the "flash open"; select the "off" time between windows. If no "flash " time is selected, the "on" time will be 1 second. If no "off" time is selected, the default is "none" (if no preset program or timing has been selected).

1. Press the "S" key for the sequence menu.
2. Select a sequence pattern and type number.
3. Press "Return" (RT).
4. Press "Y" for a repeating sequence flash pattern.
5. Press "Return" (RT).
6. For a single flashed sequence pattern type "N" and "Return" ("N" because repeat is the default setting).
7. Press the "T" key for the time "on" menu.
8. Select the time "on" and type a letter.
9. Press "Return" (RT)
10. If "off" time is preferred then press "O" and type a letter.
11. Press "Return" (RT)

Illustration

Automatic tachistscopic action of 16 windows, random selection, flash "open" time of 1/25 second (non-repeating) with an "off" time of 1 second between the window sequence.

 PROGRAM CODE: S23 (RT)N (RT) TE (RT) OC (RT)

T refers to time menu and E refers to 1/25 second; OC refers to off time of 1 second.

Remember: Random patterns are repetitive without end. Random sequences open a finite number of windows as indicated by a number in (); ie, (8) indicates that a total of 8 windows will open in a random sequence pattern.

Select a transparency with 16 half rows of words, numbers or patterns.

Each time the hand switch is depressed, a half strip will be projected. Trainee should read the far image and then rapidly read the near copy. The projected "far" copy will be random. The elapsed time to accommodate the 16 random projected images will be displayed on the computer screen.

 PROGRAM CODE S23(RT) N(RT)TE (RT)OC (RT)

For a completely open window use a transparency of reading material.

The projected image will flash "on/off" 10 times per second. User can wear anaglyph glasses; place the anaglyph filters over the lc display frame opening.

Note: Pressing the space bar or any other key will stop all action.

 PROGRAM CODE : P10 (RT)(RT) TD(RT) OJ(RT)

Alternate program:

Alternate left and right half of the complete display at an "on"/"off" time of 6/100 seconds-a frequency of approximately 8 hertz (8.33 hertz to be exact).

 PROGRAM CODE: S5(RT) (RT) TH(RT) 6(RT) OJ(RT)

Hold the display vertically in front of eyes. The display halves will alternate at a frequency of 10 hertz.

Warning Exercise caution: these frequencies are in the alpha rhythm range. A small percentage of the population may experiecnce photoconvulsive behavior such as a epileptic seizure. Do be careful, and selective.

 PROGRAM CODE: S5(RT) (RT) TH(RT) 5(RT) OJ(RT)

By flashing fixation material "on" & "off" when used with the , this program can enhance the after-image for as long as 30 minutes.

 PROGRAM CODE:S1(RT) (RT)TD (RT)OJ(RT)

Use red/green color filters to split projected images such as the Macdonald bull's-eye.

 PROGRAM CODE: S8(RT)(RT) TF(RT) OB(RT)

Cover 1/2 of the display with a green filter, and the other half with a red filter. Set up reading material, ie Hart-chart, numbers, etc.

Each time the hand switch is pressed the left half window of one color, and then right half with second color will open. This pattern will continue until the bottom of the display.

 PROGRAM CODE: S6(RT)(RT)TI(RT)

Can be broken down by flashing numbers or words at 1/50 of a second. Use a transparency with two rows of numbers on both the left and right side of the display.

The left half-strip will flash "on" for 1/50 of a second. After 2 seconds the next left half-strip will flash "on" for 1/50 second until the bottom of the display is reached. This pattern sequence will be repeated on the right half strip.

Place a red filter over the display, and have patient wear anaglyph glasses with the red lens covering the suppressing eye.

Use your "vecto-grams" on the overhead projector with the Wayne LCD Shutter.

 PROGRAM CODE: S8(RT) (RT) TF (RT) OB(RT)

Rotational tracking: Use the special template for projecting a rotational pattern. The patterns will rotate at a speed of 1.6 seconds per revolution.

Clockwise rotation

 PROGRAM CODE: S3(RT) (RT) TD(RT) OJ(RT)

Counterclockwise rotation

 PROGRAM CODE S4 (RT) (RT) TD(RT) OJ(RT)

Random pattern

 PROGRAM CODE: S23(RT) (RT) TD(RT) OJ(RT)

Use projected rotator template.

Automatically paced:

Letters will randomly flash "on" for 1 second and "off" for one second. This pattern will continue until all 16 letters are projected.

 PROGRAM CODE: S23(RT)(RT)TC (RT) OC (RT)

Self-paced:

Trainee must point to the projected letter, verbally repeating it and pressing the hand switch for the next random letter. Projected letter remains on the screen until the hand switch is pressed. Elapsed time displayed on computer screen.

 PROGRAM CODE: S23(RT) N(RT)TC(RT) OC(RT)

Scanning, left to right:

Letters jump from left to right of screen once every second, repeating. Press any key to stop.

 PROGRAM CODE: S6(RT)(RT) TC(RT) OJ(RT)

Use the transparency pattern with red/green disparity circles, base-out on the left side, and base-in on the right side. User wears anaglyph glasses (left eye red).

Self pacing, base-out

Computer displays the time required to fuse 8 disparity patterns, (base-out).

 PROGRAM CODE: S13(RT) N(RT) TI(RT) OJ(RT)

Self pacing, base-in

Computer displays the time required to fuse 8 disparity patterns.

 PROGRAM CODE: S16(RT)N(RT) TI(RT) OJ(RT)

Automatic pacing, base-out

Computer displays the time required to fuse 8 disparity patterns (base-out). Each pattern is presented for two seconds with a pause for one second.

 PROGRAM CODE: S13(RT)(RT) TB(RT) OC(RT)

Automatic pacing, base-in with continuous repeat

Computer displays the time required to fuse 8 disparity patterns, (base-out). Each pattern is presented for one second with a pause for one second.

 PROGRAM CODE: Sl2(RT)(RT) TC(RT) OC(RT)

The left 1/2 strip window opens when the hand switch is pressed. Instruct trainee to fixate on the two circles until they fuse and one circle appears between the two circles and appears to float away from the wall. Depressing the hand switch will open the next window of increased disparity. After all the windows have been open the elapsed time will be displayed on the computer screen.

Jump duction alternating between base-out and base-in

 PROGRAM CODE: S6(RT) (RT) TI(RT) OJ(RT)

Select a transparency where the full left side of the pattern is the completed drawing, and on the right side, each half strip depicts a closure of the large left drawing. A random 1/2 strip will be exposed on the right side, for a total of 8, each time the hand switch is pressed.

 PROGRAM CODE: S24(RT) (RT) TI (RT) OJ(RT)

Automatic sequencing

Each pattern is projected for 2 seconds, with a pause of 1 second. Base-out.

 PROGRAM CODE: S13(RT) Y(RT) TB(RT) OC(RT)

Setting continuous 1/100 second open window flash

Full display window to open for 1/100 second, close for 1/100 second. This pattern is repeated.

 PROGRAM CODE: P10 (RT) Y(RT) TG(RT) OG(RT)

Setting separate "flash on" and "flash off" times with repeat pattern

Full open display window for 1/25 second, close for 1/10 second, and repeating pattern.

 PROGRAM CODE: P10(RT) Y(RT) TE(RT) OD(RT)

VERY IMPORTANT

When using an overhead projector, it is suggested that after an hour of continuous use, the display should be allowed cool off. An overheated display has reduced contrast between an open and closed window.

Do not hesitate to experiment with your Liquid Crystal Windos Display. You will be pleasantly surprised at it's versatility.

Please share your comments and suggestions.