IR Blaster - USB UIRT setup?

Can anyone just point me in the right direction, as I am a bit confused on where to look.
I have the latest OSMC updates, and attached my USB-UIRT ir blaster, it seems to work out the box and receive key presses from my tv remote.

What I want to do is resend remote codes for my amplifier to control volume etc.
Can anyone point me to some easy to follow setup instructions to get it working?
Im not sure where to locate remote conf files etc, as the locations seem to be different to the lirc defaults.

Thanks

Im at the stage as you.
Connected the device, it flashes.
this command >dmesg | grep -i usb
confirms the usb-uirt is detected on ttyUSB0
[ 6.903758] usb 1-1.3: Detected FT232BM
[ 6.918645] usb 1-1.3: FTDI USB Serial Device converter now attached to ttyUSB0

in the pi configuration menu I disabled IR GPIO which I believe removes the two GPIO pin 17,18 from /boot/config.txt (this hasn’t made any difference to ttyUSB0 status)

from command I should be able to run

irw
then press any keys which are configured in the remote /etc/lirc/lirc.conf
and then should respond with remote code here. I dont know why it doesn’t work.

I got this information from:
https://www.raspberrypi.org/forums/viewtopic.php?f=37&t=48443