Contemporary Research ATSC+SDI - Manual (Page 11)

Contemporary Research 11 ATSC+SDI HDTV Tuner
HDMI
Symptom: Scan or “fluttery” lines at top of video, usually on an analog channel
Use the Overscan menu to crop the video a bit. What you’re seeing is the data (captioning) portion of the
video. Adding a bit more overscan will eliminate the lines at the top.
Composite Video
Symptom: Composite video out has small image in 16:9 setting, analog channels
 For a 4:3 set, tune to an analog channel and press RATIO on the remote or Setup: Screen Format
on onscreen menu to set to 16:9. Image will fill left to right, you’ll always have a black band top and
bottom.
 Set to 4:3 if you’re only feeding video to 4:3 TVs.
 Set output ratio on a digital channel as well - this a different setting than for analog channels.
 If the tuner is used for 16:9 displays and analog TVs, choose the best setting for the widescreen,
and the NTSC will have to be a compromise. Most of the time, setting the RATIO while tuned to an
analog channel and again for a digital channel will provide the best result.
IR Control
Symptom: IR remote won’t control tuner
Hold down IR remote Select, press 9, and release both. Front-panel setting should be IR On. In addition,
check if the remote works when the lights are off. Some energy-saving fluorescent lights produce
interference at our IR frequency (57 Hz). Try to cover the IR sensor so the lights don’t affect operation, or
add the IR-RXC External IR Sensor. It’s easier to hide and tilt the sensor to help with reception, and you can
try Select and 4 to use the lower IR frequency (the RXC has both types of sensors).
Captioning on Video Outputs
Symptom: Video out does not include captioning data
The 232-ATSC+SDI provides on-screen captioning on all ports, the SDI port supports 608/708 captioning,
and the Composite video includes Line 21 data. The Component port does not output captioning data, not
supported in the Component standard.