Contemporary Research 14 ICE-HE Ethernet Head End
The following commands summarize RS-232 commands to iC-Net controllers. There is a high degree of
compatibility between Contemporary Research devices; most commands execute a similar action or
response in nearly all units. Refer to each unit‘s Product Manual for specific programming information.
General Commands
“$A5,<dh>,<dl>,2,‟P0‟ ” (6 bytes) – checks status for true power control
“$A5,<dh>,<dl>,2,‟P1‟ ” (6 bytes) – checks status for true power control
“$A5,<dh>,<dl>,2,‟PT‟ ” (6 bytes) – checks status for true power control
“$A5,<dh>,<dl>,3,‟T0‟<type> ” (7 bytes) – Sets RS-232 control codes
Identical to on-screen menu 45700 command for VDC.
“$A5,<dh>,<dl>,3,‟T1‟<type> ” (7 bytes) – Sets IR device type
Identical to on-screen menu 45700 command for IR-format controllers.
“$A5,<dh>,<dl>,3, „Y‟ <I/0 Port>‟ ” (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.
“$A5,<dh>,<dl>,3, „Y10‟” turns Closure 1 off
“$A5,<dh>,<dl>,3, „Y11‟” turns Closure 1 on
“$A5,<dh>,<dl>,3, „Y20‟” turns Closure 2 off
“$A5,<dh>,<dl>,3, „Y21‟” turns Closure 2 on
“$A5,<dh>,<dl>,3,'LM',<control>” (7 bytes)
Locks out front panel and IR remote control functions.
Bit 7 Selects IR remote control operation (0=enabled, 1=disabled)
Bit 6 Selects volume control operation (0=enabled, 1=disabled)
Bit 5 - 1 Always 0
Bit 0 Selects front panel button operation (0=enabled, 1=disabled)
"$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: "$A5,1,2,6,'UX, 'PON', 13" Sends PON, followed by carriage return
(device 258)
"$A5,0,0,2,'SP'" (6 bytes)
Queries the Head-End for the number of devices present on the network
and the number of devices expected.
1-way units do not respond to command
Zenith LM Bit 7 affects both IR control and front panel lockout
VDC sends discrete power on and power off commands
(154 pagine)
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