on-screen display?

I have an LG RHT398H DVD recorder with free-view tuner, everything works o.k, but if I press the info button to access the on-screen display ( for program details etc ) the display only stays on for about 1 second, hardly enough time to read the information. There is no mention in the instruction book that this can be changed, does anyone know if this can be altered?

j. Watson
May 2009