Contemporary Research ICC1-232 RS-232 - Manual (Page 8)

Contemporary Research 8 ICC1-232 Manual
Power-Up and Lock Logic
The ICC1-232 remembers the current power and Lock state of the connected TV so that the controller can
restore power and operation lock to the TV when AC power is restored. Some TVs, such as LG, will lose the
locked state (no local button or IR control) when the set loses AC power. Other sets may not automatically
power back on when AC power is restored.
To deal with this issue, after every power-up or reset, the ICC1-232 will transmit its current (last commanded)
power control string (Power On or Power Off) to the TV, as well as work to restore the Lock state.
If the TV was On and Locked when power was lost, the controller will send a Power On command when power
is restored, then sends a Lock command after a time delay. This assures that the TV stays locked when it is
automatically powered up after a reset.
If the TV was Locked and Off when power was lost, the controller will send a Power Off command every 16
seconds when power is restored. When a command is sent to turn the TV on, the controller will also send a Lock
command after a time delay.
Input Selects
The code sets listed a Contemporary TVs in the list on Page 5 have the ability to select inputs from a special
channel command, 0-NNN. For example, a 0-211 command would send the TV to the HDMI 1 input. For some
makes, such as LG, you need to send a TV/Tuner command (0-200) to restore the TV to the current channel.
For other sets, sending a channel command automatically selects the tuner if it’s at a different input. The
command list covers all the possibilities, not all sets have every option.
115=Captions
200=TV/Tuner
201=Video1
202=Video2
203=Video3
204=S-Video1
205=S-Video2
206=Component1
207=Component2
208=RGB1
209=RGB2
210=RGB3 211=HDMI1
212=HDMI2
213=HDMI3
214=HDMI4
215=HDMI5