Product manual

Contemporary Research 18 232-ATSC Digital HDTV Tuner
Code
Function
Operation
Display
KK=149
RGB Out
Selects RGB output and colorspace
KK=151
YPbPr Out
Selects Component (YPbPr) output and colorspace
D4=
Overscan (0-9)%
Removes upper scan lines that may appear in RGB output,
affects all outputs, 0% is default setting.
Example: ‘>D4=3‟ Overscan by 3% (typical solution)
KK=82
Ratio
Steps through aspect ratios, options depend on channel and
output types
KK=81
Signal
Displays signal Strength
KK=100
Info
Launches on-screen information window
KK=62
Guide
Displays Electronic Program Guide
KK=115
CC – Closed captions
Steps through captioning options
Q0=
Caption Mode Off (0-2)
Example: „>Q0=0‟ or „>Q00‟
Sets captioning mode
0=Captioning off (default)
1=Captioning on
Captioning off
Q1=
Captioning Type (1-8)
Turns on captioning type
1=Caption 1 (normal setting for most captioning)
2=Caption 2
3=Caption 3
4=Caption 4
5-8= Text 1-4 (rarely used)
Q7=
Digital Caption Service
Set to 1-6 (1 is default)
Audio
VU
Ramp volume up
Starts volume ramping up
VD
Ramp volume down
Starts volume ramping down
VH
Sets volume level 0-100
Volume level, scaled in 100 steps
VL
Sets volume level 0-63
Volume level, scaled in 63 steps, as other 232 tuners
VX
Volume Mute off
Restores audio volume to previous level
VM
Volume Mute on
Example: ‘>VM‟
Turns off audio outputs
Mutes audio outputs
VV
Stop volume ramp
Stops volume ramping
VT
Toggle Volume Mute
Alternates audio mute on and off
KK=85
Audio Mode
Step through audio mode options for mono, stereo, SAP
Status Request
SQ
Request Q Mode status
Unit sends “Q” Mode status string
SS
Request Front Panel status
Unit sends “S” Front Panel status string
ST
Request Channel status
Example: „>ST‟
Unit sends “T” Channel/Source status string
Returns Channel/Source status response string
SV
Request AV status
Unit sends “V” Audio status string
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.
Terminal Communication Commands
EF
Echo Off
Characters received will not be re-transmitted (power up default).
EN
Echo On
Characters received will be re-transmitted.
Example: ‘>EN‟ Characters received will be re-transmitted.
ID
Product ID
Returns the product model number and firmware version.
Z!
Zap
Reconfigures unit for all factory default settings.