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Summary of Contents for Contemporary Research 232-MCT
- Page 1 Product Manual 232-MCT Mono Caption Tuner Ver.5.1 April 2, 2012 4355 Excel Pkwy, Suite 600, Addison, TX, 75001 Phone: 972-931-2728 • Toll-Free: 888-972-2728 • Fax: 972-931-2765 • Website: www.crwww.com E-Mail: Sales@crwww.com...
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Page 2: Table Of Contents
Single Tuner ............................15 Multiple Tuners............................15 Rack Mounting ..........................16 RK1 Single Unit Rack Mount ........................16 RK2 Side-by-Side Rack Kit ........................16 Safety Instructions ........................... 17 Limited Warranty and Disclaimer ..................... 18 Contemporary Research 232-MCT Mono Caption Tuner... -
Page 3: Overview
Overview The Contemporary Research 232-MCT is an economical RS-232/IR controlled video tuner featuring mono audio, 125- channel access in CATV, HRC, or IRC modes, closed captioning and intelligent control. Fully programmable, the unit can restore all settings on power-up from non-volatile memory. A list of accessible channels, called channel rings, can be stored in memory, used for convenient channel up/down control and to control direct access to unlisted channels. -
Page 4: Specifications
White text over video or white text with black background over video, Up to 32 characters, 13 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 Contemporary Research 232-MCT Mono Caption Tuner... -
Page 5: Rf Tuner
HRC – None of the channels tune in, or they are noisy or lack audio. Change to HRC. Symptom: Need to change Unit # of Tuner See Page 9 for S2 RS-232 command. Contemporary Research 232-MCT Mono Caption Tuner... -
Page 6: Tuner Setup
Tuner Setup There are several ways you can set up the 232-MCT tuner via RS-232. Tuner Helper Download this easy-to-use free software tool (Version 3.2.0) from the bottom of the www.crwww.com home page, or the Downloads page. The three tabs you’ll use are: ... -
Page 7: Terminal
Terminal It’s also easy to use an RS-232 Terminal app for setup. The 232-MCT is shipped set to Standard Cable, and the internal channel list is set to 2-126. To limit the channels, use the TR command and enter a list of channels. -
Page 8: Rs-232 Control Protocol
ASCII status response string containing all of the status data for that group. The current status string of a group is sent from the 232-MCT whenever a valid command for that group is received by the 232-MCT RS-232 port or front panel. A group's status may be requested at any time via the RS-232 port. Status of all 3 groups is sent at power up. -
Page 9: Rs-232 Commands
Same as XT Toggle Mute A/V Alternates Mute A/V on and off Mute A/V off Turn A/V outputs on at previous level Mute A/V on Mutes A/V outputs Example: ‘>XM’ Mutes audio and video outputs Contemporary Research 232-MCT Mono Caption Tuner... - Page 10 A carriage return is required at the end of each command and is assumed in all examples. The ‘=’ sign for parameters may be omitted if desired, though it is helpful for clarity in checking programming. Contemporary Research 232-MCT Mono Caption Tuner...
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Page 11: Character Generator Commands
Character Generator Commands Before the introduction of the 232-STS, 232-MCT models offered an optional character generator, supporting an on-screen display that is 28 columns (characters) across by 11 rows (lines) down. An imaginary cursor represents the current screen write position. Writing text automatically increments the cursor to the next character space. -
Page 12: Keypad Channel Command
24=Volume up or + (use Release Key (0) to stop volume ramp) 25=Volume down or – (use Release Key (0) to stop volume ramp) 26=Volume mute 30=Switch to tuner AV (previous channel) if unit is currently set to External AV 31= Input (toggling) Contemporary Research 232-MCT Mono Caption Tuner... -
Page 13: Tune Ring Commands And Replies
Returns all response strings back-to-back. The carriage return line feed at the end of each 232-MCT response allows for easy monitoring of responses with an ASCII terminal program. You may use ASCII CR, Hex $0D, or keyboard ‘Enter’ in programming. -
Page 14: Response Strings
Typical: [Attention] [Unit#] [data ...data] [cr] [lf] 232-MCT status response strings contain ASCII characters similar to those used for the same functions in command strings. An ASCII 'carriage return' and ‘line feed' follow each response string. Functions shown as N/A are not applicable;... -
Page 15: Rs-232 Cable Connections
TXD 3 2 RXD 9-pin D-sub Control Port 3 TXD RXD 2 female GND 5 Unit 2 TXD 3 9-pin D-sub RXD 2 female GND 5 Unit 1 TXD 3 9-pin D-sub RXD 2 female Contemporary Research 232-MCT Mono Caption Tuner... -
Page 16: Rack Mounting
3. Reinstall the bottom/chassis of the first unit underneath its cover and attach with just eight (8) of the screws removed in step 1. 4. Attach short rack ears to the side and towards the front of each unit with the four (4) supplied 8-32 by 1/4" (black) countersunk screws. Contemporary Research 232-MCT Mono Caption Tuner... -
Page 17: Safety Instructions
Article 820-40 of the National Electrical Code (Section 54 of Canadian Electrical Code, Part I), that provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as possible. Contemporary Research 232-MCT Mono Caption Tuner... -
Page 18: Limited Warranty And Disclaimer
Limited Warranty and Disclaimer Contemporary Research Corporation (CR) warrants this product to be free from defects in material and workmanship under normal use for a period of two years from the date of purchase from CR. Should such a defect occur CR will repair or replace, at their option, the defective product at no cost for parts or labor.
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