Hello Raquel,

I've solved the problem and can now send commands to the display.

Here is what I used to change the baud rate to 1200

printf("%C%C%C",0xFE,0x39,0x53); /* change baud rate to 1200 */

Jason

The marking on the PCB has the PK-204-25 REV 2 place on the model table marked with a little dot. Its a red display type.

One other question. I dont see any detials in the manual about the RS232 spec -i.e. is it 8 bits, 1 stop, parity/no parity etc.

although I am printing ok 99% of th e timer to the dispay, I am getting some odd characters (graphic symbol) every now and then.

Hi Ray,

I tried that as well, but no luck.

I'm wondering if it s because I have to 'unlock' before I can make any changes?

Hi Ray,

I tried that as well, but no luck.

I'm wondering if it s because I have to 'unlock' before I can make any changes?

Hi Ray,

I tried that as well, but no luck.

I'm wondering if it s because I have to 'unlock' before I can make any changes?

Hi I tried a few things. I selected to turn the blinking block cursor on (I've got one of the PLED displays)

printf("%x",0xFE53); - still no luck

this as well

printf(0xFE53); - still no luck

Thanks - I'll give that a try.

Hello. I am trying to set up an LK204-24 for 1200 baud (I'd prefer 300, but 1200 is the lowest)

I can print to the display e.g. 'hello Jason' with no problems at 19200 (display default) - so all this side of things are working

I'm sending the change baud rate command via a printf statement from a ...