Hi Mombassa
in PBP you will have to jump through several hoops like a circus dog
hours to seconds = hours x 3600
minutes to seconds = minutes x 60

seconds to hours = seconds /3600 with no remainder or seconds//3600 with a remainder
minutes= seconds//60 with remainder being your seconds left over
see section 4.17.2 of the manual.
you may display individual digits using DIG command sec 4.17.8