What should temps be in egg box?

Should temps be 88-89 inside the egg box or set too 88-89 on the thermostat? And what temps should it be inside the egg box? Just making sure I have my incubator set up and good to go well before

88-89f Inside the egg box. :)

Set the thermostat to whatever you need to to get there - and don't forget to check for hot/ cool spots.