Contemporary Research
21
232-ATSC+1 HDTV Tuner
Control Commands
Code
Function
Operation
Front Panel
S4=
Set front panel lockout mode
0 =None 6 = Menu
1 = Ch+Menu 7 = All
2 = Vol+Menu 8 = Setup+Menu
3 = Ch+Vol+Menu 9 = Pwr+Setup+Menu
4 = Power
5 = Setup – Press Select and Right key to unlock temporarily
Q5=
Set IR Receive mode
0 - No IR reception
9 - CR 9 (Default)
KK=105
Menu
Opens on-screen menus
KK=106
Right
Left
KK=107
Left
Down
KK=108
Up
Up
KK=109
Down
Down
KK=110
Enter
Enter
KK=111
Exit
Exits menus
KK=95
List
Displays on-screen list to select favorite channels
P1
Power On
On
P0
Power Off
Standby, mutes audio and video
PT
Power Off/On
Power toggle
XX
Power On
On (same as 232-series Mute Off)
XM
Power Off
Standby (same as 232-series Mute On)
XT
Power Off/On
Power toggle (same as 232-series Mute Toggle)
Tuning
TC=
Select tuned analog channel
Tunes analog and digital channels, leading zeros OK, up to 4
characters for analog or single-unit digital channel, 3 characters
for major and minor channels.
Examples:
‘
>TC=28:1’,
‘
>TC=28-1’ Selects channel 28-1
‘
>TC=32’ Selects 32-1, 32-0 if no digital
TU
Tune channel up
Example: ‘
>3TU’
Selects next higher channel in channel list
Bumps Unit#3 tuned channel up
TD
Tune channel down
Selects next lower channel in channel list
TP
Previous channel
Selects previously viewed channel
T^
Start Channel Scan
Initiates new channel scan for analog and digital channels, scan
operation set by D0 and S0.
S0=
Tuning Format
0=CATV (Default) - Switches to Cable, sets scan mode
1=Off-Air - Switches tuner to Air RF input and channels
2=IRC - Switches to Cable, sets scan mode
3=HRC - Switches to Cable, sets scan mode
4=Cable Auto - Switches to Cable, sets scan mode
D0=
Set Channel Scan Mode
Sets scan mode for digital and analog channels from the T^ or
front panel scan command.
0= Scans for analog and digital channels scan (default)
1= Scans for digital only, deletes analog channels
2= Scans for digital only, keeps analog channels
3= Scans for analog only, deletes digital channels
4= Scans for analog only, keeps digital channels
A scan must be triggered by T^ or front panel before the
onscreen Menus will scan following D0 rules.
XD=
Channel delete
XD=<major>,<minor> removes channel from channel list.
Example: ‘
>XD=0,0’ removes current channel
XA=
Channel add
XA=<major>,<minor>,<physical> adds channel
Example: ‘
>XA=38,1,0’ Physical channel will be same as major
NC=
Channel name status
>NC returns channel name, up to 7 characters
NP=
Program name status
>NP returns program name, up to 30 characters, 15 more if
there are non-ascii characters, such as
ñ
