Contemporary Research ICC2-IRC User Manual
Page 11
Contemporary Research Corporation
11
IR TV Controller
Command
Description
Tuner Mode
SO "$A5,,3,'S0',
Sets tuner mode to CATV or Broadcast/Antenna
0 = CATV
1 = Broadcast/Antenna
2 = HRC
Tune Ring
TR “$A5,,
This command stores a Tune Ring, a series of preset channels accessed by channel
up/down commands.
Ex1: “$A5,,6,’TR’, 5,4,8,11” sets ring to channels 5, 4, 8 and 11
Tip: The ring follows the stored order, channels do not have to be in ascending
order
x Ex2: “$A5,,2,’TR’ ” clears the Tune Ring, locks unit to current channel
Tip: In the above mode, the IR Keypad channel up/down response to the Head-
End, so the system will know the user is trying to change channels. In
response, the system could change channels on a media sources, like a VCR or
satellite.
Ex3: “$A5,,8,’TR’, $82,5,$87,11” sets channels 2-5 and 7-11. You can
specify a range using MSB bit for the first channel; the next byte is the last.
Channel Labels TN “$A5,,
Stores an ASCII string as the channel label. The text will appear briefly when the
channel is selected, if the feature has been activated by IRC Setup command (TM).
Ex1: “$A5,,3,‘TN’, ‘7’, ‘PBS’ ” IRC displays PBS when 7 is selected
Ex2: “$A5,,3,‘TN’, ‘7’ ” Clears alpha label for channel 7
Ex3: “$A5,,3,‘TN’,0,0” Clears all alpha labels
Display Label
TC “$A5,,2,’TC’ ” (6 bytes) – Display current channel label for about 15
seconds
Closures Y-
“$A5,,3, ‘Y’ ’ ” (7 bytes)
Turns the two internal closures on and off. Closure 1 is typically used to control the
optional buzzer, Closure 2 typically used to control an external camera power relay.
“$A5,,3, ‘Y10’” turns Closure 1 off
“$A5,,3, ‘Y11’” turns Closure 1 on
“$A5,,3, ‘Y20’” turns Closure 2 off
“$A5,,3, ‘Y21’” turns Closure 2 on
Control Lock
LM “$A5,,3,'LM',
Locks out front panel and IR remote control functions.
Bit 7 Selects IR remote control operation (0=enabled, 1=disabled)
Bit 6 Selects volume control operation (0=enabled, 1=disabled)
Bit 5 - 1 Always 0
Bit 0 Selects IRC front panel buttons operation (0=enabled, 1=disabled)
Device Status
SP "$A5,0,0,3,'SP'" (6 bytes)
Queries the Head-End for the number of devices present on the network and the
number of devices expected.