Contemporary Research 232-MTA Product Manual Download | Manualshive

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17630 Davenport Road, Suite 113 • Dallas, TX 75252

Phone: 972-931-2728 • Toll-Free: 888-972-2728 • Fax: 972-931-2765

E-Mail:

[email protected]

• Website: www.crwww.com

Product Manual

232-MTA

Stereo TV Tuner
Ver. 4.4 June 27, 2007

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Summary of Contents for 232-MTA

Page 1: ...Davenport Road Suite 113 Dallas TX 75252 Phone 972 931 2728 Toll Free 888 972 2728 Fax 972 931 2765 E Mail Sales crwww com Website www crwww com Product Manual 232 MTA Stereo TV Tuner Ver 4 4 June 27...

Page 2: ...8 Command and Status Response 8 General RS 232 Commands 9 Character Generator Commands 11 Keypad Channel Command 12 IC RC Remote Emulation 12 Tune Ring Commands and Replies 13 Terminal Communication...

Page 3: ...ammable tuning ring in memory to control channel access Provides front panel control for A V Mute mode select and channel up down with LED feedback for Mute current channel and programming mode Access...

Page 4: ...y for channels and modes 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 North American version includes UL CS...

Page 5: ...hase 3 degrees maximum 2 degrees typical All tuners with firmware V3 7 to V4 1 made between Apr and Nov 2005 should be upgraded to new V4 3 or higher to ensure higher RF input level specs and best vid...

Page 6: ...ge to HRC Front Panel Programming To Enter a Front Panel Programming Mode 1 Press and hold the Mute A V button such that the red LED light above is lit indicating Mute On 2 Press Select Up 3 Release a...

Page 7: ...2 1 2 2 2 3 2 x One Two Three Four Nine v3 5 Video Detect 12 3 No function fixed Not Used 3 0 AV Status 13 0 No AV status fixed Panel Lockout 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 None Channel up dwn Select...

Page 8: ...ud Unit 1 All settings are saved to NVRAM in the 232 MTA General protocol specifications Characters in command strings to the 232 MTA are common ASCII keyboard characters Command strings sent to the 2...

Page 9: ...une Ring TR Example 2TR 2 4 7 10 Limits access to specified channels 120 chars max Stores unit 2 Tune Ring as 2 4 7 8 9 10 TT Select tuned channel 0 126 Example TT 28 0 video mute 255 video unmute 126...

Page 10: ...t 3 Channel Select 4 Mute A V 5 Channel Mute A V 6 Select Mute A V 7 All S5 Power up volume 0 restore to previous level always full 1 Restore to full S7 Set audio mode 0 Mono fixed S8 Set bass gain le...

Page 11: ...lanks all stored alpha labels TC Displays the current channel label on screen for about 10 seconds DG row column Moves the cursor to the specified row and column position If row is 0 then row will not...

Page 12: ...rrent Tune Ring KD Clears or cancels any KC or KT channel entry After 3 seconds with no other key the selected channel will be tuned to Optionally you can have an Enter key send the command KC or KT t...

Page 13: ...s Leading zeros may be included or omitted from command parameters Example TC 009 Selects channel 9 as A V output same as TC 9 Multiple commands may be concatenated as single strings up to 120 ASCII c...

Page 14: ...gs An ASCII carriage return and line feed follow each response string Channel Source Status Response String T Start Unit CMD Power Channel 1 Video Mute N A 1 9 U On M Off Current Channe 1 3 digits N A...

Page 15: ...ol more than one tuner from the same control port Set the first unit in the RS 232 chain to the highest Unit then wire in sequence to the last tuner in the chain The reason for this is that CR tuners...

Page 16: ...ards the front of the unit with the four 4 supplied 8 32 by black countersunk screws Remove top cover of the first unit by removing the ten 10 black screws Attach cover of first unit to the side of th...

Page 17: ...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 en...

Page 18: ...rth in this Limited Warra implied including any implied warranties of mercha expre ted Warranty Any implied warranties that may be imposed by law are limited to the terms of this Limited Warranty nd w...

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