Another printing strategy with a variable contrast head is to turn on one light at a time and do a series of exposures.  I then select which exposure from each light that looks best and than expose the paper twice using each light for a specific exposure and then adjusting until I get a print I like or give up in frustration.  The finished print was made with a 33.7 units of time using the soft or green bulb and then 11.8 units of time using the hard or blue bulb. I say "units of time" because of the compensating timer which adjusts the duration of the time unit based on the light output so a unit of time can be 1/2 second to 5 seconds.  The print was made on a variable contrast baryta base paper called Foma Chamois made in the Czech Republic.