[HP71B] How to activate VIDEO output AND PRINTER (ILPER)

[Sylvain Cote]

(09-21-2023 03:45 PM)floppy Wrote:  Thanks. My understanding (correct it if wrong): the sending to both device is possible but has to be controlled. & the output of the HP71B screen (mirror of it) can be done only on the currently activated device.

When you go into manual mode, the automatic redirection must be deactivated because one will interfere with the other.
To understand how HP-IL works, activate ILPER/pyILPER scope window and with the HP-IL reference manuals, learn the HP-IL protocol/behavior.