Thanks for your help, I have a solution working now.

Richard

If there was a non-printing character that didn't print, I think your solution would work. Unfortunately, the LK202 behaves as described in the documentation; non-printing characters print as a space.

Richard

I'm using an Lk202-25 on an embedded platform which allows me only indirect access to the I2C bus via libary functions. The write api is something like:
int i2cWrite(byte deviceAddr, byte registerAddr, byte data);

When writing text to the lk202, the lk seems to interpret the register address as ...