Contemporary Research 232-STA, Product Manual

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Contemporary Research 9
232-STA Stereo TV Tuner
General RS-232 Commands
Q Q-series commands Included for compatibility with 232-STS programming. As the
STA does not have on-screen text or video detection, most
commands will have no affect in tuner operation.
Q0= Caption Mode Off (0-2)
Sets captioning mode
0=Captioning off (fixed)
Q1= Captioning Type (1-8) Turns on captioning type, no functionality in 232-STA
1=Caption 1 (default)
2=Caption 2
3=Caption 3
4=Caption 4
5-8= Text 1-4 (rarely used)
Q2= Video Loss Detection (0-3) Selects response when a loss of video signal is detected
3=No Function (fixed)
Q3= A/V Detect Status (0-3)
Example: ‘>Q3=1’ or ‘>Q31’
Enables/disables sending status response when Stereo/Mono or
Video Loss Detect changes. Only status operation is affected,
the functions continue to operate.
0=Disable Stereo/Mono detection(default)
1=Enable Stereo/Mono
2=Disable Stereo/Mono
3=Enable Stereo/Mono
Q4= Label Mode with Status (0-3) 0= No Function
1= No Function
2= No Function (default)
3= No Function
TR= Set Tune 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=External AV Inputs
Selects channel 28 only if 28 is present in current TR
TC= Force tuned channel (0-126)
Example: ‘>TC=39’
0=video mute, 255=video unmute*
126=External AV Inputs
Selects channel 39 regardless of current TR
TP Set to previous channel Selects previous channel only if present in current TR
TU Tune channel up
Example: ‘>3TU’
Selects next higher channel in stored Tune Ring
Bumps Unit#3 tuned channel up one from available Tune Ring
TD Tune channel down Selects next lower channel in stored Tune Ring
XT Toggle Mute A/V Alternates Mute A/V on and off
XX Mute A/V off Turn A/V outputs on at previous level
XM Mute A/V on
Example:
‘>XM’
Mutes A/V outputs
Mutes audio and video outputs
P0 Power Off Same as XM
P1 Power On Same as XX
PT Power Toggle Same as XT
* If the optional character generator is installed, Video Mute will display a blue screen, useful as a character
background. Without a CG, Video Mute will blank the video output. The Video Mute command does not mute
the audio.