Get settled down before putting scope to eye, pull strings to identify targets and get feeling for the wind. Load gun and then check you are settled before ranging 2 min is plenty of time, once you have fired the 1st shot reload straight away then range 2nd this means you are ready to go should you run low on time.
Read the targets look for a patent with misses if the misses are all high and one side might mean people are over ranging or getting lifted.
Most of all treat it as a learning lesson and enjoy it.
Steyr LG110 FT, Sightron SIIISS 10-50x60 LRIRMH