Zenith ZN110 Remote Control "phillips hotel tv codes" Questions

...not a small remote. 319753 followed immediately by the mute button. this will pull up the tv setup menu. I have a phillips Hotel TV pre programmed to the stations they wanted. How can I reprogram

...Phillips magnavox tv? I'm stuck in a hotel room and noone seems to know how and I dont have a manual. Thank You Magnavox codes 002,009,109,118,309,402,408,502,508,510,807, 917 Step 1: Press and hold ...