Matrix-orbital VK202-25 Legacy Manual do Utilizador descarregar pdf (Página 7)

VK202-25 rev. 05

1.7 Manual Override

Manual override should only be required in one instance. If for some reason the module is set at a baud rate

which cannot be produced by the host system and all communication to the display is lost, then the user

should follow this simple procedure:

1. Turn off the display

2. Put a jumper on pins 5 and 6 of the keypad connector (C5 and R1).

3. Power up the display. The baud rate is now set to 19,200.

4. Remove the jumper and change the RS-232 port settings to the desired baud rate.

5. Turn off the display.

6. Power up the display.

Refer to the “Set RS-232 Port Speed” command (section 6.1.10) for acceptable baud rates.

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Matrix-orbital VK202-25 Legacy Manual do Utilizador Página 7