Master LTC Time Code Generator/Reader with High Resolution character inserter, Jam Sync, user bits, external jam, colour framing, continuous jam and parallel input/output.

• Generates and reads SMPTE (drop and non drop frame), EBU and 24 frames per second time code.
• 4 field NTSC and 8 field PAL color framing sequences.
• Jam Sync and Continuous Jam operation featuring indicators for received time code error and received time code synchronous. All jam operations are held pending until received time code errors clear.
• Variable character sizes in video displayed.
• High resolution 16 x 16 and 16 x 32 dot character generator. Offers boxed or uniquely bordered characters, reverse character video, continuously variable character position, frames suppression switch and two isolated video outputs.
• Time and user data displayed together or separately in video.
• Parallel input/output of time/user data.
• Two isolated 600 Ohm time code outputs.
• Large, bright .8" high display with intensity adjustable to match your control room lighting.
• Microprocessor design and extensive use of large scale integrated circuits. Fewer parts and low operating temperature for greater reliability.
• Versatility. Combination of function and size makes the T5010 ideal for the VTR room and mobile applications.

The T5010 is designed to generate and read the standard serial SMPTE and EBU time and control codes and display this information on a large LED display. The T5010 will also key this information (either as characters with outlines or as plain characters inside a rectangle) into a externally supplied video signal.

Front panel controls and indicators allow selection of the standard to which the time code will be recorded (drop frame, 24, 25 or 30 frames/sec.), activation of color framing, setting time or user data, jam sync operations and stopping and starting the generator. Controls are also provided for character generator positioning, frames suppression, complete character suppression, box and border control and reversing character video. It is also possible to add or subtract from the generator time or user data.

Cont. Jam
Selects an operating mode where at the start of every frame, the generator time is loaded from the received time code. Decoding and encoding delays are compensated for so that the code being generated will be a complete reconstruction (except for user data) of the code being read. If a received code error condition occurs, the generator will continue to count time until the error clears.

Color Frame
When pressed, forces the generator time to conform to the SMPTE 4 field or EBU field coloring number sequence as defined by the external field identification pulse to indicate color field 1.

Hold
Stops the generator time count from advancing. The code output repeats the current frame number. When pressed again, the generator resumes counting.

Standard
Used to select one of 4 time code standards.

Time
Selects time data for display on the LED readout video character generator (when character generator is in the single line mode).

User
Selects user data for display on the LED readout and video character generator (when character generator is in the single line mode).

0-9
Used to enter the digits 0 through 9 when setting the time or user data. If the source of the user data is rear panel auxiliary i/o connector then the only time data may be entered.

A-F
Used to enter the hexadecimal digits A through F when into the user data when the source of the user data is not rear panel auxiliary i/o connector.

Clear Entry
Erases keyboard entry errors when settting the time or user data.

-
Decreases video character sized when pressed or subtracts a number entered via the keyboard from either the time or user data. User data subtractrion is done in hexadecimal arithmetic, time subtraction is done in the current standard.

+
Increases video character sized when pressed or adds a number entered via the keyboard to either the time or user data. User data addition is done in hexadecimal arithmetic, time addition is done in the current standard.

Enter
Transfers a keyboard entry to the set time or user data. Time numbers greater than normal are converted before being transferred (ie 99 frames becomes 3 sec. 9 frames at 30 frames/sec).

Vertical
Continuously variable control determines vertical position of characters in the video display.

Border
Alternate action switch selecting either video characters with a border or a rectangular box containing unbordered characters.

Reverse
Produces a reverse video effect. With border on, it switches between white characters with a black border and black characters with white border. With border off it selects either white characters in a black box or black characters in a white box.

Insert
This switch enables/disables the insertion of characters in the external video signal.

Frames
Suppresses the display of frames in the video signal when the time data is selected. (Shows only hours, minutes and seconds).

Horizontal
Continuously variable control determines horizontal position of characters in the video display.

Time/User Display
8 digit display .8" high, adjustable brightness.

Sync'd
Indicates that the start of the received code is synchronous within 4 bit times of the start of the generator output code.

Cont. Jam
Flashes to indicate the Continuous Jam mode of operation. (See description under Controls.)

Color Frame
When lighted, indicates that the generator time conforms to the SMPTE 4 field or EBU 8 field colour numbering sequence using the external colour field identification pulse to indicated colour field 1.

Hold
LED indicator on the front panel indicating that the generator is in the HOLD mode.

DF
Indicates that the time code being generated is in the Drop Frame standard.

24
This LED indicates that time code is being generated with a frame count rate of 24 frames/sec.

25
Indicates that the time code is being generated to the EBU 25 frame standard.

30
Indicates that the time code being generated is in the SMPTE Non-Drop Frame standard.

Time
When lighted, indicates that the time data is being displayed.

User
Indicates that the user data is being displayed..

Power
117/235 VAC +/-20%, 47-440 Hz., 20 watts

Size
19" (48.2 cm) rack mount, 3.5" (9cm) high and 13" (33cm) deep.

Weight
8 lbs. (3.63kg)

Environment
Operating temperature range 0 to 60⁰c, relative humidity 0% to 95% (no condensation)

Time Code Input
-30 to +30 dBm, 50% +/- 25% duty cycle, balanced line, 20,000 Ohms balanced

Time Code Output
Two outputs + 11 dBm. 25 micro second (50 optional) rise time, 600 Ohm balanced

Character Generator
Video input -1 Volt p-p, loop-thru
Video outputs (2) - Unity gain, 75 ohms

Color Framing Input
A.C. coupled 15 Hz. (6.75 PAL) negative pulse indicating field one of 4 or 8 field sequences. 2 to 8 volts. Active on falling edge.

Parallel In/Out
32 TTL compatible signal lines, 2 ground lines, positive logic.

The Manual in Adobe Acrobat PDF format

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Copyright© 2011 Telcom Research
Last modified: October 16, 2011