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Contemporary Research 232-ATSC Plus1 HDTV Tuner (232-ATSC Plus4)
Contemporary Research 232-ATSC Plus1 HDTV Tuner (232-ATSC Plus4)

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Contemporary Research 232-ATSC Plus1 HDTV Tuner (232-ATSC Plus4)

Brand: Contemporary Research           P\N: 232-ATSC+1          

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Contemporary Research The 232-ATSC+1 HDTV Tuner is an integrator-friendly HDTV tuner, controllable with 2-way RS-232, IP, and IR commands. An onboard Web page enables remote Web control. A new menu-driven display simplfies setup, and a front-panel USB port makes firmware updates a snap. The new compact enclosure allows mounting of two tuners in a single rack space. A universal TV tuner, the 232-ATSC+1 can receive both analog and digital channels, in ATSC, NTSC, and clear QAM formats. Using an optional RF switcher, the tuner can switch between Antenna and Cable feeds.


  • Tunes analog and digital channels in ATSC, NTSC, and clear QAM formats

  • Rack-mountable two across in 1RU

  • Full ASCII 2-way RS-232 commands, AMX, Crestron, and RTI modules available, discrete IR commands

  • RS-232 can be daisy-chained to control up to 9 tuners from a single RS-232 port, or control any number of tuners via IP

  • Field updatable for control and HD processing firmware via USB

  • Meets RoHS and California energy-saving standards, fan cooled operation

  • Always-active HDMI and composite video, as well as stereo, and digital coax and TOSlink optical audio ports

  • VGA or Component outputs switchable from front-panel settings or RS-232 control

  • Dolby® 5.1 or PCM/Variable PCM digital audio formats for digital audio ports and HDMI

  • Front-panel text and onscreen menus for tuner setup

  • Web page for remote setup and control (Firmware upadate available mid-September, use Tuner Helper in the interim)

  • Supports dual Air/Cable tuning with optional RF switch

  • Analog and digital closed captioning

  • Internal scaler displays all channels at selected resolution


Type: Analog,ATSC, NTSC and Clear QAM
DTV Standards: (1080i/720p/480p/480i)
Aspect Ratio: Adjustable, variety of modes for widescreen 16:9 and normal 4:3 broadcasts
Captioning: Onscreen Analog and Digital, set by program or customized for size, font, and attributes
Line 21 analog captioning on Composite Video
Favorites: Favorite channel menu
Lock: Parental option for channels and/or rating
Front Panel
Power, Menu, Setup and Select buttons
Up and Down (Channel Up and Down) buttons
Left and Right (Volume Up and Down) buttons
Text Display, white text on blue LCD, channel and setup information
IR Sensor
Mini USB  Port for control and drag-and-drop firmware updates
Back Panel
RF Input: Air/Cable, ‘F’, female, 75 ohm impedance
Supports dual Cable and Air tuning with optional RF-AB RF A-B Switch
New digital RF tuning for improved sensitivity

HD Outputs: HDMI and switchable RGB/Component outputs operate simultaneously
Component: RCA PrPbY outputs (1080i/720p/480p/480i)
RGB: RGBHV DB-15 female (1080i/720p/480p)
HDMI: HDMI receptacle (1080i/720p/480p), version 1.3, PCM/AC3 digital audio, HDCP
Composite Video: RCA female jack, always operational, echos digital HD output

Audio Outputs: All operate simultaneoulsy, including HDMI audio
Digital Audio: S/PDIF: Coax and TOSlink optical output, Dolby 5.1, PCM, or PCM variable
Stereo Audio: 2 stereo RCA female jacks, variable level
Control Options
RJ-45: 10/100 Ethernet connector, control and onboard Web page
RS-232: DB-9 male, RS-232 data link to control system
300 to 19,200 baud (9600 default), 8 data bits, no parity, 1 stop bit
IR: 3.5 mm stereo input for external IR sensor or wired IR, discrete codes available
Air/Cable: 3.5 mm output to operate the RF-AB RF A-B Switch
Power: 2.1mm coaxial jack (inside center conductor positive)
1.1 A maximum, 11 to 14 VDC, 12 VDC typical
HD2-RC IR Remote
Switching power supply, 1.5 A 12 VDC, option for 4A supply for up to 3 tuners


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