Contemporary Research 21
ICC2-ATSC4
IC-Net Commands
Command
Description
Control
Power Off
P0
“$A5,<dh>,<dl>,2,’P0’ ” (6 bytes)
Power On
P1
“$A5,<dh>,<dl>,2,’P1’ ” (6 bytes)
Power Toggle
PT
“$A5,<dh>,<dl>,2,’PT’ ” (6 bytes)
Volume
VL
“$A5,<dh>,<dl>,3,’VL’,<vol level>” (7 bytes)
Sets TV volume level
0 = Mute
1 – 63 = Minimum level (1) to maximum volume (63)
RS-232 Control T0
“$A5,<dh>,<dl>,3,’T0’<type> ” (7 bytes) – Sets RS-232 control codes
V 2.0 – Code is fixed by firmware
IR Remote
Q8=
“$A5,<dh>,<dl>,3, ‘Q8’,<IR Remote>” (7 bytes)
0=IC-RC
1=HD2-RC
Control Lock
LM
“$A5,<dh>,<dl>,3,'LM',<control>” (7 bytes)
Locks out front panel and IR remote control functions.
Bit 7
Selects IR remote control operation (0=enabled, 1=disabled)
Bit 6
Selects volume control operation (0=enabled, 1=disabled)
Bit 5 - 1 Always 0
Bit 0
Selects front panel buttons operation (0=enabled, 1=disabled)
Operating
Parameters
TM
“$A5,<dh>,<dl>,3,’TM’,<setting>” (7 bytes)
Sets up key functions in the unit
Bit 0 – Alpha channel labels
0=alpha labels off
1=alpha labels on
Bit 1 – Numeric channel labels,
0=num labels off
1=num labels on
Bit 2 – Channel up/down operation,
0=Tune Ring,
1=Send IR Keypad response
Bit 3-7 = 0
Control String
UX
"$A5,<dh>,<dl>,2+string length>,'UX'<string>" (variable bytes)
Sends an RS-232 string (ASCII, decimal, or hex) directly to the TV display.
Ex
: "$A5,1,2,6,'UX, 'PON', 13" Sends PON, followed by carriage return (device 258)