HP 9000 300 Series Installation Reference page 22

Computer
Install the audio cable.
Now find the audio cable and connect one end to the speaker module.
Now locate the phono-to-RCA adapter and connect it to the other end of the audio cable.
Then connect it to the RCA connector on the computer.
Install the HP-HIL cable.
The HP-HIL cable is keyed. It has a black dot at one end and two black dots at the
other.
Locate the two-dot end of the HP-HIL cable. It is marked with two black dots.
Connect the two-dot end of the HP-HIL cable to the computer. The computer socket is
also coded with two dots.
Connect the one-dot end of the HP-HIL cable to the speaker module. The speaker
module receptacle is also coded with one dot.
Connect power to the monitor.
The power cord is located in the carton containing the monitor. Connect it to the power
socket. Then connect the other end to the wall socket.
Your system should now look like this:
Monitor
Computer with High-resolution Monochrome Monitor
14
Installing Your System