Contemporary Research
22
232-ATSC+1 HDTV Tuner
Code
Function
Operation
Output
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=63
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=
Analog Captioning Type (1-8)
Turns on captioning type
1=Caption 1
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
DL=
Set Power-Up volume
Not supported
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
IP Setup
IP=
IP Address
IP returns the current MAC address, current IP address, subnet
mask, and gateway. Response example (S or D at end of IP
signifies DHCP or Static address):
$MAC=0014C8020001 / 1 $IP=192.168.001.231S
IG=000.000.000.000 IM=255.255.255.000 IY=1
IP=xxx.xxx.xxx.xxx Defines IP address, then sends status
(0.0.0.0 = DHCP)
IG=
IP Gateway
IG Returns current MAC address and IP information
IG=xxx.xxx.xxx.xxx Defines IP gateway, then sends status
IM=
IP Subnet Mask
IM Returns current MAC address and IP information
IM=xxx.xxx.xxx.xxx Defines IP subnet mask, then sends status
IY=
IP Mode
IY Returns current mode
IY=1 Static (default)
IY=2 DHCP
IX=
Telnet Port
IX Returns current Telnet port (00023 default)
IX=xxxxx Defines Telnet port