How to enable the second horn for the transmitters

Here are the steps....

Go to visiplex website, download the visiplex programming software (Windows Only) under resources
Once VPS is downloaded
Go to Start Menu and drag to my desktop
Right Click Open File location
Click on the folder on says USB Drivers
Click on the device that says x64



Connect to the USB port
Go to settings
Auto detect connected devices


Once connected, it will open up a window (if not, press reconnect)

Open up advanced settings (Crtl + Alt + Shift + S)
Opens up a box to the right
Check the box that says "Device Configuration"
Make sure speaker channel 1 + 2 and checked and Controlled Output 1 + 2

Then press Program