Page 5
Overview
Video
Connect the video source (i.e. video camera) to the appropriate
INPUT connector on the rear of the Video Titler unit. Use the BNC
connector for composite or B&W, the 4 pin connector for S-Video.
The TLR500 will automatically detect the proper input source
(Composite Video or S-Video). If both inputs are connected at the
same time, there is no way to tell which input will be chosen by
the unit. An S-Video connection is suggested over composite for
the higher quality. The TLR500 will also automatically detect
whether the unit is connected to an NTSC or PAL video source and
adjust accordingly.
Connect the OUTPUT signal from the Video Titler unit to the video
display(s) as required. Each output can only have a single 75 ohm
termination. Regardless of input type, both outputs are available
simultaneously.
If the signal must drive multiple monitors or other devices, please
see the documentation for those devices for multiple unit
connections. A Video Distribution Amplifier may be required,
especially for S-Video signals. MicroImage Video Systems offers a
variety of units for these applications (VDA series).
The MicroImage Video Systems Video Title Generator is designed
for simple video titling and captioning. It is particularly well suited
to industrial, medical and scientific applications.
The TLR500 can generate up to a full page of text with 32 columns
by 20 rows of characters. Each character can be 1 of 8 colors and
each can have 1 of 8 background colors. The background may also
be set to transparent.
The TLR500 can be operated from a +5 VDC (4.75 to 5.25 VDC)
power supply and each unit has a one year warranty.
Page 6
Power Backup
Operation
The TLR500 backs up all typed text and remembers it when the
power is turned off or removed. The backup system is EEPROM
based and can last for up to 100 years. It may take up to 5
seconds after typing a character before it is fully committed to
memory.
The Video Titler has two switches and two LEDs on the front panel.
Most functions are set by use of the keyboard. Following is a brief
description of each switch and its functions:
Power Switch
The power switch is used to turn the Video Titler unit on or off.
When off, the unit draws minimal power. When on, the power light
will illuminate (green) and the Video Titler will be ready to use.
Display Switch
The display switch is used to enable or disable the titler display.
This will allow the video signal to pass through without the title
display. The red indicator next to this switch will illuminate when
the display is enabled.
Keyboard Functions
Most functions of the Video Titler are controlled through the
keyboard. See the next section on Using the Titler for additional
information.
