Maybe this will help: https://www.google.com/search?q=monarch+praxar+1131+manual+pdf+free+download&sca_esv=b703f1cd0674f892&biw=600&bih=1024&sxsrf=AHTn8zrPOWaxBRx2_IOsIZdDVTt2WQfUCA%3A1747080533195&ei=VVUiaPrMC8Ce5NoP892vgQQ&oq=monarch+praxar+1131+manual+pdf+free+download&gs_lp=EhNtb2JpbGUtZ3dzLXdpei1zZXJwIixtb25hcmNoIHByYXhhciAxMTMxIG1hbnVhbCBwZGYgZnJlZSBkb3dubG9hZDIIECEYoAEYwwQyCBAAGIAEGKIEMggQABiABBiiBDIIEAAYogQYiQVIiqwBUNcxWJSbAXABeAGQAQCYAbUBoAHTL6oBBDIuNDe4AQPIAQD4AQGYAhWgApsXwgIKEAAYsAMY1gQYR8ICBhAAGAcYHsICCBAAGAcYCBgewgIFEAAY7wWYAwCIBgGQBgiSBwYxLjE5LjGgB9OjArIHBjAuMTkuMbgH5RY&sclient=mobile-gws-wiz-serp