232-MCT Mono Caption Tuner

Specifications

Physical

Size: 8.5" [216mm] wide x 1.75" [38mm] height (1RU) x 6.0" [153mm] deep
Weight: 1.5 lbs [0.68kg]
Enclosure: All aluminum with durable black powder coat paint
Mounting: Rack mounting for one or two units side-by-side optional (RK1, RK2)

Front Panel

IR Sensor: Receives 57 KHz IR commands, CR mode 9 or Sharp TV
Power LED: Green LED behind IR window lights when power is on (AV unmuted)

Rear Panel

Power In: 2.1mm coaxial jack (inside center conductor positive), 350 mA maximum, 11.5 to 16.5 VDC, 12 VDC typical (may be unregulated)
RS-232 Control: DB-9 male connector, User selectable 300 to 9600 (default) baud, 8 data bits, no parity, 1 stop bit,
Employs standard ASCII strings from any terminal program, PC, or control system
Contact Closures: 2 momentary closure inputs in RS-232 connection- Channel Up (Pin 4), Down (Pin 9), GND (Pin 5)
IR In: 3.5 mm stereo input for external IR sensor or wired IR (no carrier),
Discrete codes available for power, TV channel and external AV selection
GND: Grounding lug
Antenna/Cable: 'F', female, 75 ohm impedance
AV Input: 1 RCA female NTSC composite, 2 RCA mono audio (mixes stereo input to mono)
Video Output: RCA female, NTSC composite, 75 ohm impedance, 1V peak-to-peak typical
Audio Outputs: 2 RCA female, mono 1K ohms, unbalanced, 1K ohm impedance
Maximum Level: +8dBu, (2V RMS), Reference: 0 dBu = .775 V RMS
Response: Total Harmonic Distortion (THD) 0.5%, 0.1% typical, 20Hz to 20KHz
Channel Separation: 25dB minimum, 30dB typical, 50Hz to 12KHz
Output Level: 500mV RMS typical output level

RF Tuner

Frequency Range: NTSC television 55.25 to 801.25 MHz, 62.5KHZ fine tune resolution
Maximum Input: +20dBmV max, +10dBmV nominal*
Video Gain: ±5% maximum, 2% typical
Video Phase: ±3 degrees maximum, 2 degrees typical

Internal Character Generator

Characters: ASCII Format: White text over video or white text with black background over video, up to 32 characters, 15 lines
Function: Closed captioning, channel labels, interactive menus, messages, and system feedback
Captioning: Modes CC1-CC4, TT1-TT4, On/On with Mute/Off modes, CG text times out to show captioning
Muting: Displays blue video image when loss of video is sense

Software

Tuner Helper .NET software simplifies tuner setup and acts as PC control panel
Downloadable S12 Flash software updates firmware via PC RS-232 port

Includes

Space-saving 12 VDC 500 mA digital switching power supply (North American shipments only)

Options

CC-COM RS-232 Control Cable
RK1 Kit for mounting single unit in 19” rack, RK2 Kit for mounting two units side-by-side in 19” rack
HD2-RC IR Wireless Remote
PMT-1 Pole Mount Bracket can mount tuner (and 232-AMP) to a video projector pole.

© 2012 Contemporary Research Corporation.
Contemporary Research® is a registered trademark of Contemporary Research Corporation. All rights reserved.