Contemporary Research 17 232-ATSC+ Digital HDTV Tuner
Control Commands
Set front panel lockout mode
0=None
1=Channel
2=Volume
3=Channel & Volume
4=Power
5=Channel & Power
6=Volume & Power
7=All
0 - No IR reception
9 - CR 9 (Default)
Displays on-screen list to select favorite channels
Standby, mutes audio and video
On (same as 232-series Mute Off)
Standby (same as 232-series Mute On)
Power toggle (same as 232-series Mute Toggle)
Tunes analog and digital channels
Examples: ‘>TC=28:1‟ Selects channel 28-1
‘>TC=28-2‟ Selects channel 28-2
‘>TC=32‟ Selects 32-1, 32-0 if no digital
„>TC=32-0‟ Selects analog channel
Tune channel up
Example: ‘>3TU‟
Selects next higher channel in channel list
Bumps Unit#3 tuned channel up
Selects next lower channel in channel list
Selects previously viewed channel
Initiates new channel scan for analog and digital channels, scan
operation set by D0 and S0.
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
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=<major>,<minor> removes channel from channel list.
Example: ‘>XD=0,0‟ removes current channel
XA=<major>,<minor>,<physical> adds channel
Example: ‘>XA=38,1,0‟ Physical channel will be same as major
Sets tuner for antenna (Off-Air) tuning
Sets tuner for cable tuning
Steps through favorite channels (selected in List menu)
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