RS 232C programming for NEC LCD 4620

Hi,

I am trying to send commands to a NEC LCD (Large display monitor)
through the serial port. I am able to send most commands except I am
unable to change the channel to a desired channel. ALl I can do is
emulate the TV channel Up/down button on the remote. Does anyone know
how to send change the channel on the monitor.

<SOH>0A0E0A<STX>008B0001<ETX><Checksum><CR> will change the channel to
the next higher channel.
<SOH>0A0E0A<STX>008B0001<ETX><Checksum><CR> will change the channel to
the next lower channel.

Does anyone knows if there is a way to change the channel to a desired
number please let me know.

Thanks for all your help in advance.
.

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